diff options
Diffstat (limited to 'crypto/engine/eng_cryptodev.c')
| -rw-r--r-- | crypto/engine/eng_cryptodev.c | 2210 |
1 files changed, 1115 insertions, 1095 deletions
diff --git a/crypto/engine/eng_cryptodev.c b/crypto/engine/eng_cryptodev.c index 5a715aca4f26..bcb936dfa754 100644 --- a/crypto/engine/eng_cryptodev.c +++ b/crypto/engine/eng_cryptodev.c @@ -32,8 +32,8 @@ #include <openssl/bn.h> #if (defined(__unix__) || defined(unix)) && !defined(USG) && \ - (defined(OpenBSD) || defined(__FreeBSD__)) -#include <sys/param.h> + (defined(OpenBSD) || defined(__FreeBSD__)) +# include <sys/param.h> # if (OpenBSD >= 200112) || ((__FreeBSD_version >= 470101 && __FreeBSD_version < 500000) || __FreeBSD_version >= 500041) # define HAVE_CRYPTODEV # endif @@ -44,42 +44,39 @@ #ifndef HAVE_CRYPTODEV -void -ENGINE_load_cryptodev(void) +void ENGINE_load_cryptodev(void) { - /* This is a NOP on platforms without /dev/crypto */ - return; + /* This is a NOP on platforms without /dev/crypto */ + return; } -#else - -#include <sys/types.h> -#include <crypto/cryptodev.h> -#include <crypto/dh/dh.h> -#include <crypto/dsa/dsa.h> -#include <crypto/err/err.h> -#include <crypto/rsa/rsa.h> -#include <sys/ioctl.h> -#include <errno.h> -#include <stdio.h> -#include <unistd.h> -#include <fcntl.h> -#include <stdarg.h> -#include <syslog.h> -#include <errno.h> -#include <string.h> - -struct dev_crypto_state { - struct session_op d_sess; - int d_fd; +#else -#ifdef USE_CRYPTODEV_DIGESTS - char dummy_mac_key[HASH_MAX_LEN]; +# include <sys/types.h> +# include <crypto/cryptodev.h> +# include <crypto/dh/dh.h> +# include <crypto/dsa/dsa.h> +# include <crypto/err/err.h> +# include <crypto/rsa/rsa.h> +# include <sys/ioctl.h> +# include <errno.h> +# include <stdio.h> +# include <unistd.h> +# include <fcntl.h> +# include <stdarg.h> +# include <syslog.h> +# include <errno.h> +# include <string.h> - unsigned char digest_res[HASH_MAX_LEN]; - char *mac_data; - int mac_len; -#endif +struct dev_crypto_state { + struct session_op d_sess; + int d_fd; +# ifdef USE_CRYPTODEV_DIGESTS + char dummy_mac_key[HASH_MAX_LEN]; + unsigned char digest_res[HASH_MAX_LEN]; + char *mac_data; + int mac_len; +# endif }; static u_int32_t cryptodev_asymfeat = 0; @@ -88,147 +85,185 @@ static int get_asym_dev_crypto(void); static int open_dev_crypto(void); static int get_dev_crypto(void); static int get_cryptodev_ciphers(const int **cnids); -#ifdef USE_CRYPTODEV_DIGESTS +# ifdef USE_CRYPTODEV_DIGESTS static int get_cryptodev_digests(const int **cnids); -#endif +# endif static int cryptodev_usable_ciphers(const int **nids); static int cryptodev_usable_digests(const int **nids); static int cryptodev_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, - const unsigned char *in, size_t inl); + const unsigned char *in, size_t inl); static int cryptodev_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key, - const unsigned char *iv, int enc); + const unsigned char *iv, int enc); static int cryptodev_cleanup(EVP_CIPHER_CTX *ctx); static int cryptodev_engine_ciphers(ENGINE *e, const EVP_CIPHER **cipher, - const int **nids, int nid); + const int **nids, int nid); static int cryptodev_engine_digests(ENGINE *e, const EVP_MD **digest, - const int **nids, int nid); + const int **nids, int nid); static int bn2crparam(const BIGNUM *a, struct crparam *crp); static int crparam2bn(struct crparam *crp, BIGNUM *a); static void zapparams(struct crypt_kop *kop); static int cryptodev_asym(struct crypt_kop *kop, int rlen, BIGNUM *r, - int slen, BIGNUM *s); + int slen, BIGNUM *s); static int cryptodev_bn_mod_exp(BIGNUM *r, const BIGNUM *a, - const BIGNUM *p, const BIGNUM *m, BN_CTX *ctx, BN_MONT_CTX *m_ctx); -static int cryptodev_rsa_nocrt_mod_exp(BIGNUM *r0, const BIGNUM *I, - RSA *rsa, BN_CTX *ctx); -static int cryptodev_rsa_mod_exp(BIGNUM *r0, const BIGNUM *I, RSA *rsa, BN_CTX *ctx); + const BIGNUM *p, const BIGNUM *m, BN_CTX *ctx, + BN_MONT_CTX *m_ctx); +static int cryptodev_rsa_nocrt_mod_exp(BIGNUM *r0, const BIGNUM *I, RSA *rsa, + BN_CTX *ctx); +static int cryptodev_rsa_mod_exp(BIGNUM *r0, const BIGNUM *I, RSA *rsa, + BN_CTX *ctx); static int cryptodev_dsa_bn_mod_exp(DSA *dsa, BIGNUM *r, BIGNUM *a, - const BIGNUM *p, const BIGNUM *m, BN_CTX *ctx, BN_MONT_CTX *m_ctx); + const BIGNUM *p, const BIGNUM *m, + BN_CTX *ctx, BN_MONT_CTX *m_ctx); static int cryptodev_dsa_dsa_mod_exp(DSA *dsa, BIGNUM *t1, BIGNUM *g, - BIGNUM *u1, BIGNUM *pub_key, BIGNUM *u2, BIGNUM *p, - BN_CTX *ctx, BN_MONT_CTX *mont); -static DSA_SIG *cryptodev_dsa_do_sign(const unsigned char *dgst, - int dlen, DSA *dsa); + BIGNUM *u1, BIGNUM *pub_key, BIGNUM *u2, + BIGNUM *p, BN_CTX *ctx, + BN_MONT_CTX *mont); +static DSA_SIG *cryptodev_dsa_do_sign(const unsigned char *dgst, int dlen, + DSA *dsa); static int cryptodev_dsa_verify(const unsigned char *dgst, int dgst_len, - DSA_SIG *sig, DSA *dsa); + DSA_SIG *sig, DSA *dsa); static int cryptodev_mod_exp_dh(const DH *dh, BIGNUM *r, const BIGNUM *a, - const BIGNUM *p, const BIGNUM *m, BN_CTX *ctx, - BN_MONT_CTX *m_ctx); -static int cryptodev_dh_compute_key(unsigned char *key, - const BIGNUM *pub_key, DH *dh); + const BIGNUM *p, const BIGNUM *m, BN_CTX *ctx, + BN_MONT_CTX *m_ctx); +static int cryptodev_dh_compute_key(unsigned char *key, const BIGNUM *pub_key, + DH *dh); static int cryptodev_ctrl(ENGINE *e, int cmd, long i, void *p, - void (*f)(void)); + void (*f) (void)); void ENGINE_load_cryptodev(void); static const ENGINE_CMD_DEFN cryptodev_defns[] = { - { 0, NULL, NULL, 0 } + {0, NULL, NULL, 0} }; static struct { - int id; - int nid; - int ivmax; - int keylen; + int id; + int nid; + int ivmax; + int keylen; } ciphers[] = { - { CRYPTO_ARC4, NID_rc4, 0, 16, }, - { CRYPTO_DES_CBC, NID_des_cbc, 8, 8, }, - { CRYPTO_3DES_CBC, NID_des_ede3_cbc, 8, 24, }, - { CRYPTO_AES_CBC, NID_aes_128_cbc, 16, 16, }, - { CRYPTO_AES_CBC, NID_aes_192_cbc, 16, 24, }, - { CRYPTO_AES_CBC, NID_aes_256_cbc, 16, 32, }, - { CRYPTO_BLF_CBC, NID_bf_cbc, 8, 16, }, - { CRYPTO_CAST_CBC, NID_cast5_cbc, 8, 16, }, - { CRYPTO_SKIPJACK_CBC, NID_undef, 0, 0, }, - { 0, NID_undef, 0, 0, }, + { + CRYPTO_ARC4, NID_rc4, 0, 16, + }, + { + CRYPTO_DES_CBC, NID_des_cbc, 8, 8, + }, + { + CRYPTO_3DES_CBC, NID_des_ede3_cbc, 8, 24, + }, + { + CRYPTO_AES_CBC, NID_aes_128_cbc, 16, 16, + }, + { + CRYPTO_AES_CBC, NID_aes_192_cbc, 16, 24, + }, + { + CRYPTO_AES_CBC, NID_aes_256_cbc, 16, 32, + }, + { + CRYPTO_BLF_CBC, NID_bf_cbc, 8, 16, + }, + { + CRYPTO_CAST_CBC, NID_cast5_cbc, 8, 16, + }, + { + CRYPTO_SKIPJACK_CBC, NID_undef, 0, 0, + }, + { + 0, NID_undef, 0, 0, + }, }; -#ifdef USE_CRYPTODEV_DIGESTS +# ifdef USE_CRYPTODEV_DIGESTS static struct { - int id; - int nid; - int keylen; + int id; + int nid; + int keylen; } digests[] = { - { CRYPTO_MD5_HMAC, NID_hmacWithMD5, 16}, - { CRYPTO_SHA1_HMAC, NID_hmacWithSHA1, 20}, - { CRYPTO_RIPEMD160_HMAC, NID_ripemd160, 16/*?*/}, - { CRYPTO_MD5_KPDK, NID_undef, 0}, - { CRYPTO_SHA1_KPDK, NID_undef, 0}, - { CRYPTO_MD5, NID_md5, 16}, - { CRYPTO_SHA1, NID_sha1, 20}, - { 0, NID_undef, 0}, + { + CRYPTO_MD5_HMAC, NID_hmacWithMD5, 16 + }, + { + CRYPTO_SHA1_HMAC, NID_hmacWithSHA1, 20 + }, + { + CRYPTO_RIPEMD160_HMAC, NID_ripemd160, 16 + /* ? */ + }, + { + CRYPTO_MD5_KPDK, NID_undef, 0 + }, + { + CRYPTO_SHA1_KPDK, NID_undef, 0 + }, + { + CRYPTO_MD5, NID_md5, 16 + }, + { + CRYPTO_SHA1, NID_sha1, 20 + }, + { + 0, NID_undef, 0 + }, }; -#endif +# endif /* * Return a fd if /dev/crypto seems usable, 0 otherwise. */ -static int -open_dev_crypto(void) +static int open_dev_crypto(void) { - static int fd = -1; - - if (fd == -1) { - if ((fd = open("/dev/crypto", O_RDWR, 0)) == -1) - return (-1); - /* close on exec */ - if (fcntl(fd, F_SETFD, 1) == -1) { - close(fd); - fd = -1; - return (-1); - } - } - return (fd); + static int fd = -1; + + if (fd == -1) { + if ((fd = open("/dev/crypto", O_RDWR, 0)) == -1) + return (-1); + /* close on exec */ + if (fcntl(fd, F_SETFD, 1) == -1) { + close(fd); + fd = -1; + return (-1); + } + } + return (fd); } -static int -get_dev_crypto(void) +static int get_dev_crypto(void) { - int fd, retfd; - - if ((fd = open_dev_crypto()) == -1) - return (-1); -#ifndef CRIOGET_NOT_NEEDED - if (ioctl(fd, CRIOGET, &retfd) == -1) - return (-1); - - /* close on exec */ - if (fcntl(retfd, F_SETFD, 1) == -1) { - close(retfd); - return (-1); - } -#else - retfd = fd; -#endif - return (retfd); + int fd, retfd; + + if ((fd = open_dev_crypto()) == -1) + return (-1); +# ifndef CRIOGET_NOT_NEEDED + if (ioctl(fd, CRIOGET, &retfd) == -1) + return (-1); + + /* close on exec */ + if (fcntl(retfd, F_SETFD, 1) == -1) { + close(retfd); + return (-1); + } +# else + retfd = fd; +# endif + return (retfd); } static void put_dev_crypto(int fd) { -#ifndef CRIOGET_NOT_NEEDED - close(fd); -#endif +# ifndef CRIOGET_NOT_NEEDED + close(fd); +# endif } /* Caching version for asym operations */ -static int -get_asym_dev_crypto(void) +static int get_asym_dev_crypto(void) { - static int fd = -1; + static int fd = -1; - if (fd == -1) - fd = get_dev_crypto(); - return fd; + if (fd == -1) + fd = get_dev_crypto(); + return fd; } /* @@ -237,78 +272,76 @@ get_asym_dev_crypto(void) * returning them here is harmless, as long as we return NULL * when asked for a handler in the cryptodev_engine_ciphers routine */ -static int -get_cryptodev_ciphers(const int **cnids) +static int get_cryptodev_ciphers(const int **cnids) { - static int nids[CRYPTO_ALGORITHM_MAX]; - struct session_op sess; - int fd, i, count = 0; - - if ((fd = get_dev_crypto()) < 0) { - *cnids = NULL; - return (0); - } - memset(&sess, 0, sizeof(sess)); - sess.key = (caddr_t)"123456789abcdefghijklmno"; - - for (i = 0; ciphers[i].id && count < CRYPTO_ALGORITHM_MAX; i++) { - if (ciphers[i].nid == NID_undef) - continue; - sess.cipher = ciphers[i].id; - sess.keylen = ciphers[i].keylen; - sess.mac = 0; - if (ioctl(fd, CIOCGSESSION, &sess) != -1 && - ioctl(fd, CIOCFSESSION, &sess.ses) != -1) - nids[count++] = ciphers[i].nid; - } - put_dev_crypto(fd); - - if (count > 0) - *cnids = nids; - else - *cnids = NULL; - return (count); + static int nids[CRYPTO_ALGORITHM_MAX]; + struct session_op sess; + int fd, i, count = 0; + + if ((fd = get_dev_crypto()) < 0) { + *cnids = NULL; + return (0); + } + memset(&sess, 0, sizeof(sess)); + sess.key = (caddr_t) "123456789abcdefghijklmno"; + + for (i = 0; ciphers[i].id && count < CRYPTO_ALGORITHM_MAX; i++) { + if (ciphers[i].nid == NID_undef) + continue; + sess.cipher = ciphers[i].id; + sess.keylen = ciphers[i].keylen; + sess.mac = 0; + if (ioctl(fd, CIOCGSESSION, &sess) != -1 && + ioctl(fd, CIOCFSESSION, &sess.ses) != -1) + nids[count++] = ciphers[i].nid; + } + put_dev_crypto(fd); + + if (count > 0) + *cnids = nids; + else + *cnids = NULL; + return (count); } -#ifdef USE_CRYPTODEV_DIGESTS +# ifdef USE_CRYPTODEV_DIGESTS /* * Find out what digests /dev/crypto will let us have a session for. * XXX note, that some of these openssl doesn't deal with yet! * returning them here is harmless, as long as we return NULL * when asked for a handler in the cryptodev_engine_digests routine */ -static int -get_cryptodev_digests(const int **cnids) +static int get_cryptodev_digests(const int **cnids) { - static int nids[CRYPTO_ALGORITHM_MAX]; - struct session_op sess; - int fd, i, count = 0; - - if ((fd = get_dev_crypto()) < 0) { - *cnids = NULL; - return (0); - } - memset(&sess, 0, sizeof(sess)); - sess.mackey = (caddr_t)"123456789abcdefghijklmno"; - for (i = 0; digests[i].id && count < CRYPTO_ALGORITHM_MAX; i++) { - if (digests[i].nid == NID_undef) - continue; - sess.mac = digests[i].id; - sess.mackeylen = digests[i].keylen; - sess.cipher = 0; - if (ioctl(fd, CIOCGSESSION, &sess) != -1 && - ioctl(fd, CIOCFSESSION, &sess.ses) != -1) - nids[count++] = digests[i].nid; - } - put_dev_crypto(fd); - - if (count > 0) - *cnids = nids; - else - *cnids = NULL; - return (count); + static int nids[CRYPTO_ALGORITHM_MAX]; + struct session_op sess; + int fd, i, count = 0; + + if ((fd = get_dev_crypto()) < 0) { + *cnids = NULL; + return (0); + } + memset(&sess, 0, sizeof(sess)); + sess.mackey = (caddr_t) "123456789abcdefghijklmno"; + for (i = 0; digests[i].id && count < CRYPTO_ALGORITHM_MAX; i++) { + if (digests[i].nid == NID_undef) + continue; + sess.mac = digests[i].id; + sess.mackeylen = digests[i].keylen; + sess.cipher = 0; + if (ioctl(fd, CIOCGSESSION, &sess) != -1 && + ioctl(fd, CIOCFSESSION, &sess.ses) != -1) + nids[count++] = digests[i].nid; + } + put_dev_crypto(fd); + + if (count > 0) + *cnids = nids; + else + *cnids = NULL; + return (count); } -#endif /* 0 */ +# endif /* 0 */ /* * Find the useable ciphers|digests from dev/crypto - this is the first @@ -331,161 +364,158 @@ get_cryptodev_digests(const int **cnids) * want most of the decisions made about what we actually want * to use from /dev/crypto. */ -static int -cryptodev_usable_ciphers(const int **nids) +static int cryptodev_usable_ciphers(const int **nids) { - return (get_cryptodev_ciphers(nids)); + return (get_cryptodev_ciphers(nids)); } -static int -cryptodev_usable_digests(const int **nids) +static int cryptodev_usable_digests(const int **nids) { -#ifdef USE_CRYPTODEV_DIGESTS - return (get_cryptodev_digests(nids)); -#else - /* - * XXXX just disable all digests for now, because it sucks. - * we need a better way to decide this - i.e. I may not - * want digests on slow cards like hifn on fast machines, - * but might want them on slow or loaded machines, etc. - * will also want them when using crypto cards that don't - * suck moose gonads - would be nice to be able to decide something - * as reasonable default without having hackery that's card dependent. - * of course, the default should probably be just do everything, - * with perhaps a sysctl to turn algoritms off (or have them off - * by default) on cards that generally suck like the hifn. - */ - *nids = NULL; - return (0); -#endif +# ifdef USE_CRYPTODEV_DIGESTS + return (get_cryptodev_digests(nids)); +# else + /* + * XXXX just disable all digests for now, because it sucks. + * we need a better way to decide this - i.e. I may not + * want digests on slow cards like hifn on fast machines, + * but might want them on slow or loaded machines, etc. + * will also want them when using crypto cards that don't + * suck moose gonads - would be nice to be able to decide something + * as reasonable default without having hackery that's card dependent. + * of course, the default should probably be just do everything, + * with perhaps a sysctl to turn algoritms off (or have them off + * by default) on cards that generally suck like the hifn. + */ + *nids = NULL; + return (0); +# endif } static int cryptodev_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, - const unsigned char *in, size_t inl) + const unsigned char *in, size_t inl) { - struct crypt_op cryp; - struct dev_crypto_state *state = ctx->cipher_data; - struct session_op *sess = &state->d_sess; - const void *iiv; - unsigned char save_iv[EVP_MAX_IV_LENGTH]; - - if (state->d_fd < 0) - return (0); - if (!inl) - return (1); - if ((inl % ctx->cipher->block_size) != 0) - return (0); - - memset(&cryp, 0, sizeof(cryp)); - - cryp.ses = sess->ses; - cryp.flags = 0; - cryp.len = inl; - cryp.src = (caddr_t) in; - cryp.dst = (caddr_t) out; - cryp.mac = 0; - - cryp.op = ctx->encrypt ? COP_ENCRYPT : COP_DECRYPT; - - if (ctx->cipher->iv_len) { - cryp.iv = (caddr_t) ctx->iv; - if (!ctx->encrypt) { - iiv = in + inl - ctx->cipher->iv_len; - memcpy(save_iv, iiv, ctx->cipher->iv_len); - } - } else - cryp.iv = NULL; - - if (ioctl(state->d_fd, CIOCCRYPT, &cryp) == -1) { - /* XXX need better errror handling - * this can fail for a number of different reasons. - */ - return (0); - } - - if (ctx->cipher->iv_len) { - if (ctx->encrypt) - iiv = out + inl - ctx->cipher->iv_len; - else - iiv = save_iv; - memcpy(ctx->iv, iiv, ctx->cipher->iv_len); - } - return (1); + struct crypt_op cryp; + struct dev_crypto_state *state = ctx->cipher_data; + struct session_op *sess = &state->d_sess; + const void *iiv; + unsigned char save_iv[EVP_MAX_IV_LENGTH]; + + if (state->d_fd < 0) + return (0); + if (!inl) + return (1); + if ((inl % ctx->cipher->block_size) != 0) + return (0); + + memset(&cryp, 0, sizeof(cryp)); + + cryp.ses = sess->ses; + cryp.flags = 0; + cryp.len = inl; + cryp.src = (caddr_t) in; + cryp.dst = (caddr_t) out; + cryp.mac = 0; + + cryp.op = ctx->encrypt ? COP_ENCRYPT : COP_DECRYPT; + + if (ctx->cipher->iv_len) { + cryp.iv = (caddr_t) ctx->iv; + if (!ctx->encrypt) { + iiv = in + inl - ctx->cipher->iv_len; + memcpy(save_iv, iiv, ctx->cipher->iv_len); + } + } else + cryp.iv = NULL; + + if (ioctl(state->d_fd, CIOCCRYPT, &cryp) == -1) { + /* + * XXX need better errror handling this can fail for a number of + * different reasons. + */ + return (0); + } + + if (ctx->cipher->iv_len) { + if (ctx->encrypt) + iiv = out + inl - ctx->cipher->iv_len; + else + iiv = save_iv; + memcpy(ctx->iv, iiv, ctx->cipher->iv_len); + } + return (1); } static int cryptodev_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key, - const unsigned char *iv, int enc) + const unsigned char *iv, int enc) { - struct dev_crypto_state *state = ctx->cipher_data; - struct session_op *sess = &state->d_sess; - int cipher = -1, i; - - for (i = 0; ciphers[i].id; i++) - if (ctx->cipher->nid == ciphers[i].nid && - ctx->cipher->iv_len <= ciphers[i].ivmax && - ctx->key_len == ciphers[i].keylen) { - cipher = ciphers[i].id; - break; - } - - if (!ciphers[i].id) { - state->d_fd = -1; - return (0); - } - - memset(sess, 0, sizeof(struct session_op)); - - if ((state->d_fd = get_dev_crypto()) < 0) - return (0); - - sess->key = (caddr_t)key; - sess->keylen = ctx->key_len; - sess->cipher = cipher; - - if (ioctl(state->d_fd, CIOCGSESSION, sess) == -1) { - put_dev_crypto(state->d_fd); - state->d_fd = -1; - return (0); - } - return (1); + struct dev_crypto_state *state = ctx->cipher_data; + struct session_op *sess = &state->d_sess; + int cipher = -1, i; + + for (i = 0; ciphers[i].id; i++) + if (ctx->cipher->nid == ciphers[i].nid && + ctx->cipher->iv_len <= ciphers[i].ivmax && + ctx->key_len == ciphers[i].keylen) { + cipher = ciphers[i].id; + break; + } + + if (!ciphers[i].id) { + state->d_fd = -1; + return (0); + } + + memset(sess, 0, sizeof(struct session_op)); + + if ((state->d_fd = get_dev_crypto()) < 0) + return (0); + + sess->key = (caddr_t) key; + sess->keylen = ctx->key_len; + sess->cipher = cipher; + + if (ioctl(state->d_fd, CIOCGSESSION, sess) == -1) { + put_dev_crypto(state->d_fd); + state->d_fd = -1; + return (0); + } + return (1); } /* * free anything we allocated earlier when initting a * session, and close the session. */ -static int -cryptodev_cleanup(EVP_CIPHER_CTX *ctx) +static int cryptodev_cleanup(EVP_CIPHER_CTX *ctx) { - int ret = 0; - struct dev_crypto_state *state = ctx->cipher_data; - struct session_op *sess = &state->d_sess; - - if (state->d_fd < 0) - return (0); - - /* XXX if this ioctl fails, someting's wrong. the invoker - * may have called us with a bogus ctx, or we could - * have a device that for whatever reason just doesn't - * want to play ball - it's not clear what's right - * here - should this be an error? should it just - * increase a counter, hmm. For right now, we return - * 0 - I don't believe that to be "right". we could - * call the gorpy openssl lib error handlers that - * print messages to users of the library. hmm.. - */ - - if (ioctl(state->d_fd, CIOCFSESSION, &sess->ses) == -1) { - ret = 0; - } else { - ret = 1; - } - put_dev_crypto(state->d_fd); - state->d_fd = -1; - - return (ret); + int ret = 0; + struct dev_crypto_state *state = ctx->cipher_data; + struct session_op *sess = &state->d_sess; + + if (state->d_fd < 0) + return (0); + + /* + * XXX if this ioctl fails, someting's wrong. the invoker may have called + * us with a bogus ctx, or we could have a device that for whatever + * reason just doesn't want to play ball - it's not clear what's right + * here - should this be an error? should it just increase a counter, + * hmm. For right now, we return 0 - I don't believe that to be "right". + * we could call the gorpy openssl lib error handlers that print messages + * to users of the library. hmm.. + */ + + if (ioctl(state->d_fd, CIOCFSESSION, &sess->ses) == -1) { + ret = 0; + } else { + ret = 1; + } + put_dev_crypto(state->d_fd); + state->d_fd = -1; + + return (ret); } /* @@ -495,109 +525,109 @@ cryptodev_cleanup(EVP_CIPHER_CTX *ctx) /* RC4 */ const EVP_CIPHER cryptodev_rc4 = { - NID_rc4, - 1, 16, 0, - EVP_CIPH_VARIABLE_LENGTH, - cryptodev_init_key, - cryptodev_cipher, - cryptodev_cleanup, - sizeof(struct dev_crypto_state), - NULL, - NULL, - NULL + NID_rc4, + 1, 16, 0, + EVP_CIPH_VARIABLE_LENGTH, + cryptodev_init_key, + cryptodev_cipher, + cryptodev_cleanup, + sizeof(struct dev_crypto_state), + NULL, + NULL, + NULL }; /* DES CBC EVP */ const EVP_CIPHER cryptodev_des_cbc = { - NID_des_cbc, - 8, 8, 8, - EVP_CIPH_CBC_MODE, - cryptodev_init_key, - cryptodev_cipher, - cryptodev_cleanup, - sizeof(struct dev_crypto_state), - EVP_CIPHER_set_asn1_iv, - EVP_CIPHER_get_asn1_iv, - NULL + NID_des_cbc, + 8, 8, 8, + EVP_CIPH_CBC_MODE, + cryptodev_init_key, + cryptodev_cipher, + cryptodev_cleanup, + sizeof(struct dev_crypto_state), + EVP_CIPHER_set_asn1_iv, + EVP_CIPHER_get_asn1_iv, + NULL }; /* 3DES CBC EVP */ const EVP_CIPHER cryptodev_3des_cbc = { - NID_des_ede3_cbc, - 8, 24, 8, - EVP_CIPH_CBC_MODE, - cryptodev_init_key, - cryptodev_cipher, - cryptodev_cleanup, - sizeof(struct dev_crypto_state), - EVP_CIPHER_set_asn1_iv, - EVP_CIPHER_get_asn1_iv, - NULL + NID_des_ede3_cbc, + 8, 24, 8, + EVP_CIPH_CBC_MODE, + cryptodev_init_key, + cryptodev_cipher, + cryptodev_cleanup, + sizeof(struct dev_crypto_state), + EVP_CIPHER_set_asn1_iv, + EVP_CIPHER_get_asn1_iv, + NULL }; const EVP_CIPHER cryptodev_bf_cbc = { - NID_bf_cbc, - 8, 16, 8, - EVP_CIPH_CBC_MODE, - cryptodev_init_key, - cryptodev_cipher, - cryptodev_cleanup, - sizeof(struct dev_crypto_state), - EVP_CIPHER_set_asn1_iv, - EVP_CIPHER_get_asn1_iv, - NULL + NID_bf_cbc, + 8, 16, 8, + EVP_CIPH_CBC_MODE, + cryptodev_init_key, + cryptodev_cipher, + cryptodev_cleanup, + sizeof(struct dev_crypto_state), + EVP_CIPHER_set_asn1_iv, + EVP_CIPHER_get_asn1_iv, + NULL }; const EVP_CIPHER cryptodev_cast_cbc = { - NID_cast5_cbc, - 8, 16, 8, - EVP_CIPH_CBC_MODE, - cryptodev_init_key, - cryptodev_cipher, - cryptodev_cleanup, - sizeof(struct dev_crypto_state), - EVP_CIPHER_set_asn1_iv, - EVP_CIPHER_get_asn1_iv, - NULL + NID_cast5_cbc, + 8, 16, 8, + EVP_CIPH_CBC_MODE, + cryptodev_init_key, + cryptodev_cipher, + cryptodev_cleanup, + sizeof(struct dev_crypto_state), + EVP_CIPHER_set_asn1_iv, + EVP_CIPHER_get_asn1_iv, + NULL }; const EVP_CIPHER cryptodev_aes_cbc = { - NID_aes_128_cbc, - 16, 16, 16, - EVP_CIPH_CBC_MODE, - cryptodev_init_key, - cryptodev_cipher, - cryptodev_cleanup, - sizeof(struct dev_crypto_state), - EVP_CIPHER_set_asn1_iv, - EVP_CIPHER_get_asn1_iv, - NULL + NID_aes_128_cbc, + 16, 16, 16, + EVP_CIPH_CBC_MODE, + cryptodev_init_key, + cryptodev_cipher, + cryptodev_cleanup, + sizeof(struct dev_crypto_state), + EVP_CIPHER_set_asn1_iv, + EVP_CIPHER_get_asn1_iv, + NULL }; const EVP_CIPHER cryptodev_aes_192_cbc = { - NID_aes_192_cbc, - 16, 24, 16, - EVP_CIPH_CBC_MODE, - cryptodev_init_key, - cryptodev_cipher, - cryptodev_cleanup, - sizeof(struct dev_crypto_state), - EVP_CIPHER_set_asn1_iv, - EVP_CIPHER_get_asn1_iv, - NULL + NID_aes_192_cbc, + 16, 24, 16, + EVP_CIPH_CBC_MODE, + cryptodev_init_key, + cryptodev_cipher, + cryptodev_cleanup, + sizeof(struct dev_crypto_state), + EVP_CIPHER_set_asn1_iv, + EVP_CIPHER_get_asn1_iv, + NULL }; const EVP_CIPHER cryptodev_aes_256_cbc = { - NID_aes_256_cbc, - 16, 32, 16, - EVP_CIPH_CBC_MODE, - cryptodev_init_key, - cryptodev_cipher, - cryptodev_cleanup, - sizeof(struct dev_crypto_state), - EVP_CIPHER_set_asn1_iv, - EVP_CIPHER_get_asn1_iv, - NULL + NID_aes_256_cbc, + 16, 32, 16, + EVP_CIPH_CBC_MODE, + cryptodev_init_key, + cryptodev_cipher, + cryptodev_cleanup, + sizeof(struct dev_crypto_state), + EVP_CIPHER_set_asn1_iv, + EVP_CIPHER_get_asn1_iv, + NULL }; /* @@ -607,314 +637,305 @@ const EVP_CIPHER cryptodev_aes_256_cbc = { */ static int cryptodev_engine_ciphers(ENGINE *e, const EVP_CIPHER **cipher, - const int **nids, int nid) + const int **nids, int nid) { - if (!cipher) - return (cryptodev_usable_ciphers(nids)); - - switch (nid) { - case NID_rc4: - *cipher = &cryptodev_rc4; - break; - case NID_des_ede3_cbc: - *cipher = &cryptodev_3des_cbc; - break; - case NID_des_cbc: - *cipher = &cryptodev_des_cbc; - break; - case NID_bf_cbc: - *cipher = &cryptodev_bf_cbc; - break; - case NID_cast5_cbc: - *cipher = &cryptodev_cast_cbc; - break; - case NID_aes_128_cbc: - *cipher = &cryptodev_aes_cbc; - break; - case NID_aes_192_cbc: - *cipher = &cryptodev_aes_192_cbc; - break; - case NID_aes_256_cbc: - *cipher = &cryptodev_aes_256_cbc; - break; - default: - *cipher = NULL; - break; - } - return (*cipher != NULL); + if (!cipher) + return (cryptodev_usable_ciphers(nids)); + + switch (nid) { + case NID_rc4: + *cipher = &cryptodev_rc4; + break; + case NID_des_ede3_cbc: + *cipher = &cryptodev_3des_cbc; + break; + case NID_des_cbc: + *cipher = &cryptodev_des_cbc; + break; + case NID_bf_cbc: + *cipher = &cryptodev_bf_cbc; + break; + case NID_cast5_cbc: + *cipher = &cryptodev_cast_cbc; + break; + case NID_aes_128_cbc: + *cipher = &cryptodev_aes_cbc; + break; + case NID_aes_192_cbc: + *cipher = &cryptodev_aes_192_cbc; + break; + case NID_aes_256_cbc: + *cipher = &cryptodev_aes_256_cbc; + break; + default: + *cipher = NULL; + break; + } + return (*cipher != NULL); } - -#ifdef USE_CRYPTODEV_DIGESTS +# ifdef USE_CRYPTODEV_DIGESTS /* convert digest type to cryptodev */ -static int -digest_nid_to_cryptodev(int nid) +static int digest_nid_to_cryptodev(int nid) { - int i; + int i; - for (i = 0; digests[i].id; i++) - if (digests[i].nid == nid) - return (digests[i].id); - return (0); + for (i = 0; digests[i].id; i++) + if (digests[i].nid == nid) + return (digests[i].id); + return (0); } - -static int -digest_key_length(int nid) +static int digest_key_length(int nid) { - int i; + int i; - for (i = 0; digests[i].id; i++) - if (digests[i].nid == nid) - return digests[i].keylen; - return (0); + for (i = 0; digests[i].id; i++) + if (digests[i].nid == nid) + return digests[i].keylen; + return (0); } - static int cryptodev_digest_init(EVP_MD_CTX *ctx) { - struct dev_crypto_state *state = ctx->md_data; - struct session_op *sess = &state->d_sess; - int digest; - - if ((digest = digest_nid_to_cryptodev(ctx->digest->type)) == NID_undef){ - printf("cryptodev_digest_init: Can't get digest \n"); - return (0); - } - - memset(state, 0, sizeof(struct dev_crypto_state)); - - if ((state->d_fd = get_dev_crypto()) < 0) { - printf("cryptodev_digest_init: Can't get Dev \n"); - return (0); - } - - sess->mackey = state->dummy_mac_key; - sess->mackeylen = digest_key_length(ctx->digest->type); - sess->mac = digest; - - if (ioctl(state->d_fd, CIOCGSESSION, sess) < 0) { - put_dev_crypto(state->d_fd); - state->d_fd = -1; - printf("cryptodev_digest_init: Open session failed\n"); - return (0); - } - - return (1); + struct dev_crypto_state *state = ctx->md_data; + struct session_op *sess = &state->d_sess; + int digest; + + if ((digest = digest_nid_to_cryptodev(ctx->digest->type)) == NID_undef) { + printf("cryptodev_digest_init: Can't get digest \n"); + return (0); + } + + memset(state, 0, sizeof(struct dev_crypto_state)); + + if ((state->d_fd = get_dev_crypto()) < 0) { + printf("cryptodev_digest_init: Can't get Dev \n"); + return (0); + } + + sess->mackey = state->dummy_mac_key; + sess->mackeylen = digest_key_length(ctx->digest->type); + sess->mac = digest; + + if (ioctl(state->d_fd, CIOCGSESSION, sess) < 0) { + put_dev_crypto(state->d_fd); + state->d_fd = -1; + printf("cryptodev_digest_init: Open session failed\n"); + return (0); + } + + return (1); } static int cryptodev_digest_update(EVP_MD_CTX *ctx, const void *data, - size_t count) + size_t count) { - struct crypt_op cryp; - struct dev_crypto_state *state = ctx->md_data; - struct session_op *sess = &state->d_sess; - - if (!data || state->d_fd < 0) { - printf("cryptodev_digest_update: illegal inputs \n"); - return (0); - } - - if (!count) { - return (0); - } - - if (!(ctx->flags & EVP_MD_CTX_FLAG_ONESHOT)) { - /* if application doesn't support one buffer */ - state->mac_data = OPENSSL_realloc(state->mac_data, state->mac_len + count); - - if (!state->mac_data) { - printf("cryptodev_digest_update: realloc failed\n"); - return (0); - } - - memcpy(state->mac_data + state->mac_len, data, count); - state->mac_len += count; - - return (1); - } - - memset(&cryp, 0, sizeof(cryp)); - - cryp.ses = sess->ses; - cryp.flags = 0; - cryp.len = count; - cryp.src = (caddr_t) data; - cryp.dst = NULL; - cryp.mac = (caddr_t) state->digest_res; - if (ioctl(state->d_fd, CIOCCRYPT, &cryp) < 0) { - printf("cryptodev_digest_update: digest failed\n"); - return (0); - } - return (1); + struct crypt_op cryp; + struct dev_crypto_state *state = ctx->md_data; + struct session_op *sess = &state->d_sess; + + if (!data || state->d_fd < 0) { + printf("cryptodev_digest_update: illegal inputs \n"); + return (0); + } + + if (!count) { + return (0); + } + + if (!(ctx->flags & EVP_MD_CTX_FLAG_ONESHOT)) { + /* if application doesn't support one buffer */ + state->mac_data = + OPENSSL_realloc(state->mac_data, state->mac_len + count); + + if (!state->mac_data) { + printf("cryptodev_digest_update: realloc failed\n"); + return (0); + } + + memcpy(state->mac_data + state->mac_len, data, count); + state->mac_len += count; + + return (1); + } + + memset(&cryp, 0, sizeof(cryp)); + + cryp.ses = sess->ses; + cryp.flags = 0; + cryp.len = count; + cryp.src = (caddr_t) data; + cryp.dst = NULL; + cryp.mac = (caddr_t) state->digest_res; + if (ioctl(state->d_fd, CIOCCRYPT, &cryp) < 0) { + printf("cryptodev_digest_update: digest failed\n"); + return (0); + } + return (1); } - static int cryptodev_digest_final(EVP_MD_CTX *ctx, unsigned char *md) { - struct crypt_op cryp; - struct dev_crypto_state *state = ctx->md_data; - struct session_op *sess = &state->d_sess; - - int ret = 1; - - if (!md || state->d_fd < 0) { - printf("cryptodev_digest_final: illegal input\n"); - return(0); - } - - if (! (ctx->flags & EVP_MD_CTX_FLAG_ONESHOT) ) { - /* if application doesn't support one buffer */ - memset(&cryp, 0, sizeof(cryp)); - cryp.ses = sess->ses; - cryp.flags = 0; - cryp.len = state->mac_len; - cryp.src = state->mac_data; - cryp.dst = NULL; - cryp.mac = (caddr_t)md; - if (ioctl(state->d_fd, CIOCCRYPT, &cryp) < 0) { - printf("cryptodev_digest_final: digest failed\n"); - return (0); - } - - return 1; - } - - memcpy(md, state->digest_res, ctx->digest->md_size); - - return (ret); + struct crypt_op cryp; + struct dev_crypto_state *state = ctx->md_data; + struct session_op *sess = &state->d_sess; + + int ret = 1; + + if (!md || state->d_fd < 0) { + printf("cryptodev_digest_final: illegal input\n"); + return (0); + } + + if (!(ctx->flags & EVP_MD_CTX_FLAG_ONESHOT)) { + /* if application doesn't support one buffer */ + memset(&cryp, 0, sizeof(cryp)); + cryp.ses = sess->ses; + cryp.flags = 0; + cryp.len = state->mac_len; + cryp.src = state->mac_data; + cryp.dst = NULL; + cryp.mac = (caddr_t) md; + if (ioctl(state->d_fd, CIOCCRYPT, &cryp) < 0) { + printf("cryptodev_digest_final: digest failed\n"); + return (0); + } + + return 1; + } + + memcpy(md, state->digest_res, ctx->digest->md_size); + + return (ret); } - static int cryptodev_digest_cleanup(EVP_MD_CTX *ctx) { - int ret = 1; - struct dev_crypto_state *state = ctx->md_data; - struct session_op *sess = &state->d_sess; - - if (state == NULL) - return 0; - - if (state->d_fd < 0) { - printf("cryptodev_digest_cleanup: illegal input\n"); - return (0); - } - - if (state->mac_data) { - OPENSSL_free(state->mac_data); - state->mac_data = NULL; - state->mac_len = 0; - } - - if (ioctl(state->d_fd, CIOCFSESSION, &sess->ses) < 0) { - printf("cryptodev_digest_cleanup: failed to close session\n"); - ret = 0; - } else { - ret = 1; - } - put_dev_crypto(state->d_fd); - state->d_fd = -1; - - return (ret); + int ret = 1; + struct dev_crypto_state *state = ctx->md_data; + struct session_op *sess = &state->d_sess; + + if (state == NULL) + return 0; + + if (state->d_fd < 0) { + printf("cryptodev_digest_cleanup: illegal input\n"); + return (0); + } + + if (state->mac_data) { + OPENSSL_free(state->mac_data); + state->mac_data = NULL; + state->mac_len = 0; + } + + if (ioctl(state->d_fd, CIOCFSESSION, &sess->ses) < 0) { + printf("cryptodev_digest_cleanup: failed to close session\n"); + ret = 0; + } else { + ret = 1; + } + put_dev_crypto(state->d_fd); + state->d_fd = -1; + + return (ret); } -static int cryptodev_digest_copy(EVP_MD_CTX *to,const EVP_MD_CTX *from) +static int cryptodev_digest_copy(EVP_MD_CTX *to, const EVP_MD_CTX *from) { - struct dev_crypto_state *fstate = from->md_data; - struct dev_crypto_state *dstate = to->md_data; - struct session_op *sess; - int digest; + struct dev_crypto_state *fstate = from->md_data; + struct dev_crypto_state *dstate = to->md_data; + struct session_op *sess; + int digest; - if (dstate == NULL || fstate == NULL) - return 1; + if (dstate == NULL || fstate == NULL) + return 1; - memcpy(dstate, fstate, sizeof(struct dev_crypto_state)); + memcpy(dstate, fstate, sizeof(struct dev_crypto_state)); - sess = &dstate->d_sess; + sess = &dstate->d_sess; - digest = digest_nid_to_cryptodev(to->digest->type); + digest = digest_nid_to_cryptodev(to->digest->type); - sess->mackey = dstate->dummy_mac_key; - sess->mackeylen = digest_key_length(to->digest->type); - sess->mac = digest; + sess->mackey = dstate->dummy_mac_key; + sess->mackeylen = digest_key_length(to->digest->type); + sess->mac = digest; - dstate->d_fd = get_dev_crypto(); + dstate->d_fd = get_dev_crypto(); - if (ioctl(dstate->d_fd, CIOCGSESSION, sess) < 0) { - put_dev_crypto(dstate->d_fd); - dstate->d_fd = -1; - printf("cryptodev_digest_init: Open session failed\n"); - return (0); - } + if (ioctl(dstate->d_fd, CIOCGSESSION, sess) < 0) { + put_dev_crypto(dstate->d_fd); + dstate->d_fd = -1; + printf("cryptodev_digest_init: Open session failed\n"); + return (0); + } - if (fstate->mac_len != 0) { - if (fstate->mac_data != NULL) - { - dstate->mac_data = OPENSSL_malloc(fstate->mac_len); - memcpy(dstate->mac_data, fstate->mac_data, fstate->mac_len); - dstate->mac_len = fstate->mac_len; - } - } + if (fstate->mac_len != 0) { + if (fstate->mac_data != NULL) { + dstate->mac_data = OPENSSL_malloc(fstate->mac_len); + memcpy(dstate->mac_data, fstate->mac_data, fstate->mac_len); + dstate->mac_len = fstate->mac_len; + } + } - return 1; + return 1; } - const EVP_MD cryptodev_sha1 = { - NID_sha1, - NID_undef, - SHA_DIGEST_LENGTH, - EVP_MD_FLAG_ONESHOT, - cryptodev_digest_init, - cryptodev_digest_update, - cryptodev_digest_final, - cryptodev_digest_copy, - cryptodev_digest_cleanup, - EVP_PKEY_NULL_method, - SHA_CBLOCK, - sizeof(struct dev_crypto_state), + NID_sha1, + NID_undef, + SHA_DIGEST_LENGTH, + EVP_MD_FLAG_ONESHOT, + cryptodev_digest_init, + cryptodev_digest_update, + cryptodev_digest_final, + cryptodev_digest_copy, + cryptodev_digest_cleanup, + EVP_PKEY_NULL_method, + SHA_CBLOCK, + sizeof(struct dev_crypto_state), }; const EVP_MD cryptodev_md5 = { - NID_md5, - NID_undef, - 16 /* MD5_DIGEST_LENGTH */, - EVP_MD_FLAG_ONESHOT, - cryptodev_digest_init, - cryptodev_digest_update, - cryptodev_digest_final, - cryptodev_digest_copy, - cryptodev_digest_cleanup, - EVP_PKEY_NULL_method, - 64 /* MD5_CBLOCK */, - sizeof(struct dev_crypto_state), + NID_md5, + NID_undef, + 16 /* MD5_DIGEST_LENGTH */ , + EVP_MD_FLAG_ONESHOT, + cryptodev_digest_init, + cryptodev_digest_update, + cryptodev_digest_final, + cryptodev_digest_copy, + cryptodev_digest_cleanup, + EVP_PKEY_NULL_method, + 64 /* MD5_CBLOCK */ , + sizeof(struct dev_crypto_state), }; -#endif /* USE_CRYPTODEV_DIGESTS */ - +# endif /* USE_CRYPTODEV_DIGESTS */ static int cryptodev_engine_digests(ENGINE *e, const EVP_MD **digest, - const int **nids, int nid) + const int **nids, int nid) { - if (!digest) - return (cryptodev_usable_digests(nids)); - - switch (nid) { -#ifdef USE_CRYPTODEV_DIGESTS - case NID_md5: - *digest = &cryptodev_md5; - break; - case NID_sha1: - *digest = &cryptodev_sha1; - break; - default: -#endif /* USE_CRYPTODEV_DIGESTS */ - *digest = NULL; - break; - } - return (*digest != NULL); + if (!digest) + return (cryptodev_usable_digests(nids)); + + switch (nid) { +# ifdef USE_CRYPTODEV_DIGESTS + case NID_md5: + *digest = &cryptodev_md5; + break; + case NID_sha1: + *digest = &cryptodev_sha1; + break; + default: +# endif /* USE_CRYPTODEV_DIGESTS */ + *digest = NULL; + break; + } + return (*digest != NULL); } /* @@ -922,419 +943,423 @@ cryptodev_engine_digests(ENGINE *e, const EVP_MD **digest, * Upon completion of use, the caller is responsible for freeing * crp->crp_p. */ -static int -bn2crparam(const BIGNUM *a, struct crparam *crp) +static int bn2crparam(const BIGNUM *a, struct crparam *crp) { - int i, j, k; - ssize_t bytes, bits; - u_char *b; - - crp->crp_p = NULL; - crp->crp_nbits = 0; - - bits = BN_num_bits(a); - bytes = (bits + 7) / 8; - - b = malloc(bytes); - if (b == NULL) - return (1); - memset(b, 0, bytes); - - crp->crp_p = (caddr_t) b; - crp->crp_nbits = bits; - - for (i = 0, j = 0; i < a->top; i++) { - for (k = 0; k < BN_BITS2 / 8; k++) { - if ((j + k) >= bytes) - return (0); - b[j + k] = a->d[i] >> (k * 8); - } - j += BN_BITS2 / 8; - } - return (0); + int i, j, k; + ssize_t bytes, bits; + u_char *b; + + crp->crp_p = NULL; + crp->crp_nbits = 0; + + bits = BN_num_bits(a); + bytes = (bits + 7) / 8; + + b = malloc(bytes); + if (b == NULL) + return (1); + memset(b, 0, bytes); + + crp->crp_p = (caddr_t) b; + crp->crp_nbits = bits; + + for (i = 0, j = 0; i < a->top; i++) { + for (k = 0; k < BN_BITS2 / 8; k++) { + if ((j + k) >= bytes) + return (0); + b[j + k] = a->d[i] >> (k * 8); + } + j += BN_BITS2 / 8; + } + return (0); } /* Convert a /dev/crypto parameter to a BIGNUM */ -static int -crparam2bn(struct crparam *crp, BIGNUM *a) +static int crparam2bn(struct crparam *crp, BIGNUM *a) { - u_int8_t *pd; - int i, bytes; + u_int8_t *pd; + int i, bytes; - bytes = (crp->crp_nbits + 7) / 8; + bytes = (crp->crp_nbits + 7) / 8; - if (bytes == 0) - return (-1); + if (bytes == 0) + return (-1); - if ((pd = (u_int8_t *) malloc(bytes)) == NULL) - return (-1); + if ((pd = (u_int8_t *) malloc(bytes)) == NULL) + return (-1); - for (i = 0; i < bytes; i++) - pd[i] = crp->crp_p[bytes - i - 1]; + for (i = 0; i < bytes; i++) + pd[i] = crp->crp_p[bytes - i - 1]; - BN_bin2bn(pd, bytes, a); - free(pd); + BN_bin2bn(pd, bytes, a); + free(pd); - return (0); + return (0); } -static void -zapparams(struct crypt_kop *kop) +static void zapparams(struct crypt_kop *kop) { - int i; - - for (i = 0; i < kop->crk_iparams + kop->crk_oparams; i++) { - if (kop->crk_param[i].crp_p) - free(kop->crk_param[i].crp_p); - kop->crk_param[i].crp_p = NULL; - kop->crk_param[i].crp_nbits = 0; - } + int i; + + for (i = 0; i < kop->crk_iparams + kop->crk_oparams; i++) { + if (kop->crk_param[i].crp_p) + free(kop->crk_param[i].crp_p); + kop->crk_param[i].crp_p = NULL; + kop->crk_param[i].crp_nbits = 0; + } } static int -cryptodev_asym(struct crypt_kop *kop, int rlen, BIGNUM *r, int slen, BIGNUM *s) +cryptodev_asym(struct crypt_kop *kop, int rlen, BIGNUM *r, int slen, + BIGNUM *s) { - int fd, ret = -1; - - if ((fd = get_asym_dev_crypto()) < 0) - return (ret); - - if (r) { - kop->crk_param[kop->crk_iparams].crp_p = calloc(rlen, sizeof(char)); - kop->crk_param[kop->crk_iparams].crp_nbits = rlen * 8; - kop->crk_oparams++; - } - if (s) { - kop->crk_param[kop->crk_iparams+1].crp_p = calloc(slen, sizeof(char)); - kop->crk_param[kop->crk_iparams+1].crp_nbits = slen * 8; - kop->crk_oparams++; - } - - if (ioctl(fd, CIOCKEY, kop) == 0) { - if (r) - crparam2bn(&kop->crk_param[kop->crk_iparams], r); - if (s) - crparam2bn(&kop->crk_param[kop->crk_iparams+1], s); - ret = 0; - } - - return (ret); + int fd, ret = -1; + + if ((fd = get_asym_dev_crypto()) < 0) + return (ret); + + if (r) { + kop->crk_param[kop->crk_iparams].crp_p = calloc(rlen, sizeof(char)); + kop->crk_param[kop->crk_iparams].crp_nbits = rlen * 8; + kop->crk_oparams++; + } + if (s) { + kop->crk_param[kop->crk_iparams + 1].crp_p = + calloc(slen, sizeof(char)); + kop->crk_param[kop->crk_iparams + 1].crp_nbits = slen * 8; + kop->crk_oparams++; + } + + if (ioctl(fd, CIOCKEY, kop) == 0) { + if (r) + crparam2bn(&kop->crk_param[kop->crk_iparams], r); + if (s) + crparam2bn(&kop->crk_param[kop->crk_iparams + 1], s); + ret = 0; + } + + return (ret); } static int cryptodev_bn_mod_exp(BIGNUM *r, const BIGNUM *a, const BIGNUM *p, - const BIGNUM *m, BN_CTX *ctx, BN_MONT_CTX *in_mont) + const BIGNUM *m, BN_CTX *ctx, BN_MONT_CTX *in_mont) { - struct crypt_kop kop; - int ret = 1; - - /* Currently, we know we can do mod exp iff we can do any - * asymmetric operations at all. - */ - if (cryptodev_asymfeat == 0) { - ret = BN_mod_exp(r, a, p, m, ctx); - return (ret); - } - - memset(&kop, 0, sizeof kop); - kop.crk_op = CRK_MOD_EXP; - - /* inputs: a^p % m */ - if (bn2crparam(a, &kop.crk_param[0])) - goto err; - if (bn2crparam(p, &kop.crk_param[1])) - goto err; - if (bn2crparam(m, &kop.crk_param[2])) - goto err; - kop.crk_iparams = 3; - - if (cryptodev_asym(&kop, BN_num_bytes(m), r, 0, NULL)) { - const RSA_METHOD *meth = RSA_PKCS1_SSLeay(); - printf("OCF asym process failed, Running in software\n"); - ret = meth->bn_mod_exp(r, a, p, m, ctx, in_mont); - - } else if (ECANCELED == kop.crk_status) { - const RSA_METHOD *meth = RSA_PKCS1_SSLeay(); - printf("OCF hardware operation cancelled. Running in Software\n"); - ret = meth->bn_mod_exp(r, a, p, m, ctx, in_mont); - } - /* else cryptodev operation worked ok ==> ret = 1*/ - -err: - zapparams(&kop); - return (ret); + struct crypt_kop kop; + int ret = 1; + + /* + * Currently, we know we can do mod exp iff we can do any asymmetric + * operations at all. + */ + if (cryptodev_asymfeat == 0) { + ret = BN_mod_exp(r, a, p, m, ctx); + return (ret); + } + + memset(&kop, 0, sizeof kop); + kop.crk_op = CRK_MOD_EXP; + + /* inputs: a^p % m */ + if (bn2crparam(a, &kop.crk_param[0])) + goto err; + if (bn2crparam(p, &kop.crk_param[1])) + goto err; + if (bn2crparam(m, &kop.crk_param[2])) + goto err; + kop.crk_iparams = 3; + + if (cryptodev_asym(&kop, BN_num_bytes(m), r, 0, NULL)) { + const RSA_METHOD *meth = RSA_PKCS1_SSLeay(); + printf("OCF asym process failed, Running in software\n"); + ret = meth->bn_mod_exp(r, a, p, m, ctx, in_mont); + + } else if (ECANCELED == kop.crk_status) { + const RSA_METHOD *meth = RSA_PKCS1_SSLeay(); + printf("OCF hardware operation cancelled. Running in Software\n"); + ret = meth->bn_mod_exp(r, a, p, m, ctx, in_mont); + } + /* else cryptodev operation worked ok ==> ret = 1 */ + + err: + zapparams(&kop); + return (ret); } static int -cryptodev_rsa_nocrt_mod_exp(BIGNUM *r0, const BIGNUM *I, RSA *rsa, BN_CTX *ctx) +cryptodev_rsa_nocrt_mod_exp(BIGNUM *r0, const BIGNUM *I, RSA *rsa, + BN_CTX *ctx) { - int r; - ctx = BN_CTX_new(); - r = cryptodev_bn_mod_exp(r0, I, rsa->d, rsa->n, ctx, NULL); - BN_CTX_free(ctx); - return (r); + int r; + ctx = BN_CTX_new(); + r = cryptodev_bn_mod_exp(r0, I, rsa->d, rsa->n, ctx, NULL); + BN_CTX_free(ctx); + return (r); } static int cryptodev_rsa_mod_exp(BIGNUM *r0, const BIGNUM *I, RSA *rsa, BN_CTX *ctx) { - struct crypt_kop kop; - int ret = 1; - - if (!rsa->p || !rsa->q || !rsa->dmp1 || !rsa->dmq1 || !rsa->iqmp) { - /* XXX 0 means failure?? */ - return (0); - } - - memset(&kop, 0, sizeof kop); - kop.crk_op = CRK_MOD_EXP_CRT; - /* inputs: rsa->p rsa->q I rsa->dmp1 rsa->dmq1 rsa->iqmp */ - if (bn2crparam(rsa->p, &kop.crk_param[0])) - goto err; - if (bn2crparam(rsa->q, &kop.crk_param[1])) - goto err; - if (bn2crparam(I, &kop.crk_param[2])) - goto err; - if (bn2crparam(rsa->dmp1, &kop.crk_param[3])) - goto err; - if (bn2crparam(rsa->dmq1, &kop.crk_param[4])) - goto err; - if (bn2crparam(rsa->iqmp, &kop.crk_param[5])) - goto err; - kop.crk_iparams = 6; - - if (cryptodev_asym(&kop, BN_num_bytes(rsa->n), r0, 0, NULL)) { - const RSA_METHOD *meth = RSA_PKCS1_SSLeay(); - printf("OCF asym process failed, running in Software\n"); - ret = (*meth->rsa_mod_exp)(r0, I, rsa, ctx); - - } else if (ECANCELED == kop.crk_status) { - const RSA_METHOD *meth = RSA_PKCS1_SSLeay(); - printf("OCF hardware operation cancelled. Running in Software\n"); - ret = (*meth->rsa_mod_exp)(r0, I, rsa, ctx); - } - /* else cryptodev operation worked ok ==> ret = 1*/ - -err: - zapparams(&kop); - return (ret); + struct crypt_kop kop; + int ret = 1; + + if (!rsa->p || !rsa->q || !rsa->dmp1 || !rsa->dmq1 || !rsa->iqmp) { + /* XXX 0 means failure?? */ + return (0); + } + + memset(&kop, 0, sizeof kop); + kop.crk_op = CRK_MOD_EXP_CRT; + /* inputs: rsa->p rsa->q I rsa->dmp1 rsa->dmq1 rsa->iqmp */ + if (bn2crparam(rsa->p, &kop.crk_param[0])) + goto err; + if (bn2crparam(rsa->q, &kop.crk_param[1])) + goto err; + if (bn2crparam(I, &kop.crk_param[2])) + goto err; + if (bn2crparam(rsa->dmp1, &kop.crk_param[3])) + goto err; + if (bn2crparam(rsa->dmq1, &kop.crk_param[4])) + goto err; + if (bn2crparam(rsa->iqmp, &kop.crk_param[5])) + goto err; + kop.crk_iparams = 6; + + if (cryptodev_asym(&kop, BN_num_bytes(rsa->n), r0, 0, NULL)) { + const RSA_METHOD *meth = RSA_PKCS1_SSLeay(); + printf("OCF asym process failed, running in Software\n"); + ret = (*meth->rsa_mod_exp) (r0, I, rsa, ctx); + + } else if (ECANCELED == kop.crk_status) { + const RSA_METHOD *meth = RSA_PKCS1_SSLeay(); + printf("OCF hardware operation cancelled. Running in Software\n"); + ret = (*meth->rsa_mod_exp) (r0, I, rsa, ctx); + } + /* else cryptodev operation worked ok ==> ret = 1 */ + + err: + zapparams(&kop); + return (ret); } static RSA_METHOD cryptodev_rsa = { - "cryptodev RSA method", - NULL, /* rsa_pub_enc */ - NULL, /* rsa_pub_dec */ - NULL, /* rsa_priv_enc */ - NULL, /* rsa_priv_dec */ - NULL, - NULL, - NULL, /* init */ - NULL, /* finish */ - 0, /* flags */ - NULL, /* app_data */ - NULL, /* rsa_sign */ - NULL /* rsa_verify */ + "cryptodev RSA method", + NULL, /* rsa_pub_enc */ + NULL, /* rsa_pub_dec */ + NULL, /* rsa_priv_enc */ + NULL, /* rsa_priv_dec */ + NULL, + NULL, + NULL, /* init */ + NULL, /* finish */ + 0, /* flags */ + NULL, /* app_data */ + NULL, /* rsa_sign */ + NULL /* rsa_verify */ }; static int cryptodev_dsa_bn_mod_exp(DSA *dsa, BIGNUM *r, BIGNUM *a, const BIGNUM *p, - const BIGNUM *m, BN_CTX *ctx, BN_MONT_CTX *m_ctx) + const BIGNUM *m, BN_CTX *ctx, BN_MONT_CTX *m_ctx) { - return (cryptodev_bn_mod_exp(r, a, p, m, ctx, m_ctx)); + return (cryptodev_bn_mod_exp(r, a, p, m, ctx, m_ctx)); } static int cryptodev_dsa_dsa_mod_exp(DSA *dsa, BIGNUM *t1, BIGNUM *g, - BIGNUM *u1, BIGNUM *pub_key, BIGNUM *u2, BIGNUM *p, - BN_CTX *ctx, BN_MONT_CTX *mont) + BIGNUM *u1, BIGNUM *pub_key, BIGNUM *u2, BIGNUM *p, + BN_CTX *ctx, BN_MONT_CTX *mont) { - BIGNUM t2; - int ret = 0; + BIGNUM t2; + int ret = 0; - BN_init(&t2); + BN_init(&t2); - /* v = ( g^u1 * y^u2 mod p ) mod q */ - /* let t1 = g ^ u1 mod p */ - ret = 0; + /* v = ( g^u1 * y^u2 mod p ) mod q */ + /* let t1 = g ^ u1 mod p */ + ret = 0; - if (!dsa->meth->bn_mod_exp(dsa,t1,dsa->g,u1,dsa->p,ctx,mont)) - goto err; + if (!dsa->meth->bn_mod_exp(dsa, t1, dsa->g, u1, dsa->p, ctx, mont)) + goto err; - /* let t2 = y ^ u2 mod p */ - if (!dsa->meth->bn_mod_exp(dsa,&t2,dsa->pub_key,u2,dsa->p,ctx,mont)) - goto err; - /* let u1 = t1 * t2 mod p */ - if (!BN_mod_mul(u1,t1,&t2,dsa->p,ctx)) - goto err; + /* let t2 = y ^ u2 mod p */ + if (!dsa->meth->bn_mod_exp(dsa, &t2, dsa->pub_key, u2, dsa->p, ctx, mont)) + goto err; + /* let u1 = t1 * t2 mod p */ + if (!BN_mod_mul(u1, t1, &t2, dsa->p, ctx)) + goto err; - BN_copy(t1,u1); + BN_copy(t1, u1); - ret = 1; -err: - BN_free(&t2); - return(ret); + ret = 1; + err: + BN_free(&t2); + return (ret); } -static DSA_SIG * -cryptodev_dsa_do_sign(const unsigned char *dgst, int dlen, DSA *dsa) +static DSA_SIG *cryptodev_dsa_do_sign(const unsigned char *dgst, int dlen, + DSA *dsa) { - struct crypt_kop kop; - BIGNUM *r = NULL, *s = NULL; - DSA_SIG *dsaret = NULL; - - if ((r = BN_new()) == NULL) - goto err; - if ((s = BN_new()) == NULL) { - BN_free(r); - goto err; - } - - memset(&kop, 0, sizeof kop); - kop.crk_op = CRK_DSA_SIGN; - - /* inputs: dgst dsa->p dsa->q dsa->g dsa->priv_key */ - kop.crk_param[0].crp_p = (caddr_t)dgst; - kop.crk_param[0].crp_nbits = dlen * 8; - if (bn2crparam(dsa->p, &kop.crk_param[1])) - goto err; - if (bn2crparam(dsa->q, &kop.crk_param[2])) - goto err; - if (bn2crparam(dsa->g, &kop.crk_param[3])) - goto err; - if (bn2crparam(dsa->priv_key, &kop.crk_param[4])) - goto err; - kop.crk_iparams = 5; - - if (cryptodev_asym(&kop, BN_num_bytes(dsa->q), r, - BN_num_bytes(dsa->q), s) == 0) { - dsaret = DSA_SIG_new(); - dsaret->r = r; - dsaret->s = s; - } else { - const DSA_METHOD *meth = DSA_OpenSSL(); - BN_free(r); - BN_free(s); - dsaret = (meth->dsa_do_sign)(dgst, dlen, dsa); - } -err: - kop.crk_param[0].crp_p = NULL; - zapparams(&kop); - return (dsaret); + struct crypt_kop kop; + BIGNUM *r = NULL, *s = NULL; + DSA_SIG *dsaret = NULL; + + if ((r = BN_new()) == NULL) + goto err; + if ((s = BN_new()) == NULL) { + BN_free(r); + goto err; + } + + memset(&kop, 0, sizeof kop); + kop.crk_op = CRK_DSA_SIGN; + + /* inputs: dgst dsa->p dsa->q dsa->g dsa->priv_key */ + kop.crk_param[0].crp_p = (caddr_t) dgst; + kop.crk_param[0].crp_nbits = dlen * 8; + if (bn2crparam(dsa->p, &kop.crk_param[1])) + goto err; + if (bn2crparam(dsa->q, &kop.crk_param[2])) + goto err; + if (bn2crparam(dsa->g, &kop.crk_param[3])) + goto err; + if (bn2crparam(dsa->priv_key, &kop.crk_param[4])) + goto err; + kop.crk_iparams = 5; + + if (cryptodev_asym(&kop, BN_num_bytes(dsa->q), r, + BN_num_bytes(dsa->q), s) == 0) { + dsaret = DSA_SIG_new(); + dsaret->r = r; + dsaret->s = s; + } else { + const DSA_METHOD *meth = DSA_OpenSSL(); + BN_free(r); + BN_free(s); + dsaret = (meth->dsa_do_sign) (dgst, dlen, dsa); + } + err: + kop.crk_param[0].crp_p = NULL; + zapparams(&kop); + return (dsaret); } static int cryptodev_dsa_verify(const unsigned char *dgst, int dlen, - DSA_SIG *sig, DSA *dsa) + DSA_SIG *sig, DSA *dsa) { - struct crypt_kop kop; - int dsaret = 1; - - memset(&kop, 0, sizeof kop); - kop.crk_op = CRK_DSA_VERIFY; - - /* inputs: dgst dsa->p dsa->q dsa->g dsa->pub_key sig->r sig->s */ - kop.crk_param[0].crp_p = (caddr_t)dgst; - kop.crk_param[0].crp_nbits = dlen * 8; - if (bn2crparam(dsa->p, &kop.crk_param[1])) - goto err; - if (bn2crparam(dsa->q, &kop.crk_param[2])) - goto err; - if (bn2crparam(dsa->g, &kop.crk_param[3])) - goto err; - if (bn2crparam(dsa->pub_key, &kop.crk_param[4])) - goto err; - if (bn2crparam(sig->r, &kop.crk_param[5])) - goto err; - if (bn2crparam(sig->s, &kop.crk_param[6])) - goto err; - kop.crk_iparams = 7; - - if (cryptodev_asym(&kop, 0, NULL, 0, NULL) == 0) { -/*OCF success value is 0, if not zero, change dsaret to fail*/ - if(0 != kop.crk_status) dsaret = 0; - } else { - const DSA_METHOD *meth = DSA_OpenSSL(); - - dsaret = (meth->dsa_do_verify)(dgst, dlen, sig, dsa); - } -err: - kop.crk_param[0].crp_p = NULL; - zapparams(&kop); - return (dsaret); + struct crypt_kop kop; + int dsaret = 1; + + memset(&kop, 0, sizeof kop); + kop.crk_op = CRK_DSA_VERIFY; + + /* inputs: dgst dsa->p dsa->q dsa->g dsa->pub_key sig->r sig->s */ + kop.crk_param[0].crp_p = (caddr_t) dgst; + kop.crk_param[0].crp_nbits = dlen * 8; + if (bn2crparam(dsa->p, &kop.crk_param[1])) + goto err; + if (bn2crparam(dsa->q, &kop.crk_param[2])) + goto err; + if (bn2crparam(dsa->g, &kop.crk_param[3])) + goto err; + if (bn2crparam(dsa->pub_key, &kop.crk_param[4])) + goto err; + if (bn2crparam(sig->r, &kop.crk_param[5])) + goto err; + if (bn2crparam(sig->s, &kop.crk_param[6])) + goto err; + kop.crk_iparams = 7; + + if (cryptodev_asym(&kop, 0, NULL, 0, NULL) == 0) { + /* + * OCF success value is 0, if not zero, change dsaret to fail + */ + if (0 != kop.crk_status) + dsaret = 0; + } else { + const DSA_METHOD *meth = DSA_OpenSSL(); + + dsaret = (meth->dsa_do_verify) (dgst, dlen, sig, dsa); + } + err: + kop.crk_param[0].crp_p = NULL; + zapparams(&kop); + return (dsaret); } static DSA_METHOD cryptodev_dsa = { - "cryptodev DSA method", - NULL, - NULL, /* dsa_sign_setup */ - NULL, - NULL, /* dsa_mod_exp */ - NULL, - NULL, /* init */ - NULL, /* finish */ - 0, /* flags */ - NULL /* app_data */ + "cryptodev DSA method", + NULL, + NULL, /* dsa_sign_setup */ + NULL, + NULL, /* dsa_mod_exp */ + NULL, + NULL, /* init */ + NULL, /* finish */ + 0, /* flags */ + NULL /* app_data */ }; static int cryptodev_mod_exp_dh(const DH *dh, BIGNUM *r, const BIGNUM *a, - const BIGNUM *p, const BIGNUM *m, BN_CTX *ctx, - BN_MONT_CTX *m_ctx) + const BIGNUM *p, const BIGNUM *m, BN_CTX *ctx, + BN_MONT_CTX *m_ctx) { - return (cryptodev_bn_mod_exp(r, a, p, m, ctx, m_ctx)); + return (cryptodev_bn_mod_exp(r, a, p, m, ctx, m_ctx)); } static int cryptodev_dh_compute_key(unsigned char *key, const BIGNUM *pub_key, DH *dh) { - struct crypt_kop kop; - int dhret = 1; - int fd, keylen; - - if ((fd = get_asym_dev_crypto()) < 0) { - const DH_METHOD *meth = DH_OpenSSL(); - - return ((meth->compute_key)(key, pub_key, dh)); - } - - keylen = BN_num_bits(dh->p); - - memset(&kop, 0, sizeof kop); - kop.crk_op = CRK_DH_COMPUTE_KEY; - - /* inputs: dh->priv_key pub_key dh->p key */ - if (bn2crparam(dh->priv_key, &kop.crk_param[0])) - goto err; - if (bn2crparam(pub_key, &kop.crk_param[1])) - goto err; - if (bn2crparam(dh->p, &kop.crk_param[2])) - goto err; - kop.crk_iparams = 3; - - kop.crk_param[3].crp_p = (caddr_t) key; - kop.crk_param[3].crp_nbits = keylen * 8; - kop.crk_oparams = 1; - - if (ioctl(fd, CIOCKEY, &kop) == -1) { - const DH_METHOD *meth = DH_OpenSSL(); - - dhret = (meth->compute_key)(key, pub_key, dh); - } -err: - kop.crk_param[3].crp_p = NULL; - zapparams(&kop); - return (dhret); + struct crypt_kop kop; + int dhret = 1; + int fd, keylen; + + if ((fd = get_asym_dev_crypto()) < 0) { + const DH_METHOD *meth = DH_OpenSSL(); + + return ((meth->compute_key) (key, pub_key, dh)); + } + + keylen = BN_num_bits(dh->p); + + memset(&kop, 0, sizeof kop); + kop.crk_op = CRK_DH_COMPUTE_KEY; + + /* inputs: dh->priv_key pub_key dh->p key */ + if (bn2crparam(dh->priv_key, &kop.crk_param[0])) + goto err; + if (bn2crparam(pub_key, &kop.crk_param[1])) + goto err; + if (bn2crparam(dh->p, &kop.crk_param[2])) + goto err; + kop.crk_iparams = 3; + + kop.crk_param[3].crp_p = (caddr_t) key; + kop.crk_param[3].crp_nbits = keylen * 8; + kop.crk_oparams = 1; + + if (ioctl(fd, CIOCKEY, &kop) == -1) { + const DH_METHOD *meth = DH_OpenSSL(); + + dhret = (meth->compute_key) (key, pub_key, dh); + } + err: + kop.crk_param[3].crp_p = NULL; + zapparams(&kop); + return (dhret); } static DH_METHOD cryptodev_dh = { - "cryptodev DH method", - NULL, /* cryptodev_dh_generate_key */ - NULL, - NULL, - NULL, - NULL, - 0, /* flags */ - NULL /* app_data */ + "cryptodev DH method", + NULL, /* cryptodev_dh_generate_key */ + NULL, + NULL, + NULL, + NULL, + 0, /* flags */ + NULL /* app_data */ }; /* @@ -1342,109 +1367,104 @@ static DH_METHOD cryptodev_dh = { * but I expect we'll want some options soon. */ static int -cryptodev_ctrl(ENGINE *e, int cmd, long i, void *p, void (*f)(void)) +cryptodev_ctrl(ENGINE *e, int cmd, long i, void *p, void (*f) (void)) { -#ifdef HAVE_SYSLOG_R - struct syslog_data sd = SYSLOG_DATA_INIT; -#endif +# ifdef HAVE_SYSLOG_R + struct syslog_data sd = SYSLOG_DATA_INIT; +# endif - switch (cmd) { - default: -#ifdef HAVE_SYSLOG_R - syslog_r(LOG_ERR, &sd, - "cryptodev_ctrl: unknown command %d", cmd); -#else - syslog(LOG_ERR, "cryptodev_ctrl: unknown command %d", cmd); -#endif - break; - } - return (1); + switch (cmd) { + default: +# ifdef HAVE_SYSLOG_R + syslog_r(LOG_ERR, &sd, "cryptodev_ctrl: unknown command %d", cmd); +# else + syslog(LOG_ERR, "cryptodev_ctrl: unknown command %d", cmd); +# endif + break; + } + return (1); } -void -ENGINE_load_cryptodev(void) +void ENGINE_load_cryptodev(void) { - ENGINE *engine = ENGINE_new(); - int fd; - - if (engine == NULL) - return; - if ((fd = get_dev_crypto()) < 0) { - ENGINE_free(engine); - return; - } - - /* - * find out what asymmetric crypto algorithms we support - */ - if (ioctl(fd, CIOCASYMFEAT, &cryptodev_asymfeat) == -1) { - put_dev_crypto(fd); - ENGINE_free(engine); - return; - } - put_dev_crypto(fd); - - if (!ENGINE_set_id(engine, "cryptodev") || - !ENGINE_set_name(engine, "BSD cryptodev engine") || - !ENGINE_set_ciphers(engine, cryptodev_engine_ciphers) || - !ENGINE_set_digests(engine, cryptodev_engine_digests) || - !ENGINE_set_ctrl_function(engine, cryptodev_ctrl) || - !ENGINE_set_cmd_defns(engine, cryptodev_defns)) { - ENGINE_free(engine); - return; - } - - if (ENGINE_set_RSA(engine, &cryptodev_rsa)) { - const RSA_METHOD *rsa_meth = RSA_PKCS1_SSLeay(); - - cryptodev_rsa.bn_mod_exp = rsa_meth->bn_mod_exp; - cryptodev_rsa.rsa_mod_exp = rsa_meth->rsa_mod_exp; - cryptodev_rsa.rsa_pub_enc = rsa_meth->rsa_pub_enc; - cryptodev_rsa.rsa_pub_dec = rsa_meth->rsa_pub_dec; - cryptodev_rsa.rsa_priv_enc = rsa_meth->rsa_priv_enc; - cryptodev_rsa.rsa_priv_dec = rsa_meth->rsa_priv_dec; - if (cryptodev_asymfeat & CRF_MOD_EXP) { - cryptodev_rsa.bn_mod_exp = cryptodev_bn_mod_exp; - if (cryptodev_asymfeat & CRF_MOD_EXP_CRT) - cryptodev_rsa.rsa_mod_exp = - cryptodev_rsa_mod_exp; - else - cryptodev_rsa.rsa_mod_exp = - cryptodev_rsa_nocrt_mod_exp; - } - } - - if (ENGINE_set_DSA(engine, &cryptodev_dsa)) { - const DSA_METHOD *meth = DSA_OpenSSL(); - - memcpy(&cryptodev_dsa, meth, sizeof(DSA_METHOD)); - if (cryptodev_asymfeat & CRF_DSA_SIGN) - cryptodev_dsa.dsa_do_sign = cryptodev_dsa_do_sign; - if (cryptodev_asymfeat & CRF_MOD_EXP) { - cryptodev_dsa.bn_mod_exp = cryptodev_dsa_bn_mod_exp; - cryptodev_dsa.dsa_mod_exp = cryptodev_dsa_dsa_mod_exp; - } - if (cryptodev_asymfeat & CRF_DSA_VERIFY) - cryptodev_dsa.dsa_do_verify = cryptodev_dsa_verify; - } - - if (ENGINE_set_DH(engine, &cryptodev_dh)){ - const DH_METHOD *dh_meth = DH_OpenSSL(); - - cryptodev_dh.generate_key = dh_meth->generate_key; - cryptodev_dh.compute_key = dh_meth->compute_key; - cryptodev_dh.bn_mod_exp = dh_meth->bn_mod_exp; - if (cryptodev_asymfeat & CRF_MOD_EXP) { - cryptodev_dh.bn_mod_exp = cryptodev_mod_exp_dh; - if (cryptodev_asymfeat & CRF_DH_COMPUTE_KEY) - cryptodev_dh.compute_key = - cryptodev_dh_compute_key; - } - } - - ENGINE_add(engine); - ENGINE_free(engine); - ERR_clear_error(); + ENGINE *engine = ENGINE_new(); + int fd; + + if (engine == NULL) + return; + if ((fd = get_dev_crypto()) < 0) { + ENGINE_free(engine); + return; + } + + /* + * find out what asymmetric crypto algorithms we support + */ + if (ioctl(fd, CIOCASYMFEAT, &cryptodev_asymfeat) == -1) { + put_dev_crypto(fd); + ENGINE_free(engine); + return; + } + put_dev_crypto(fd); + + if (!ENGINE_set_id(engine, "cryptodev") || + !ENGINE_set_name(engine, "BSD cryptodev engine") || + !ENGINE_set_ciphers(engine, cryptodev_engine_ciphers) || + !ENGINE_set_digests(engine, cryptodev_engine_digests) || + !ENGINE_set_ctrl_function(engine, cryptodev_ctrl) || + !ENGINE_set_cmd_defns(engine, cryptodev_defns)) { + ENGINE_free(engine); + return; + } + + if (ENGINE_set_RSA(engine, &cryptodev_rsa)) { + const RSA_METHOD *rsa_meth = RSA_PKCS1_SSLeay(); + + cryptodev_rsa.bn_mod_exp = rsa_meth->bn_mod_exp; + cryptodev_rsa.rsa_mod_exp = rsa_meth->rsa_mod_exp; + cryptodev_rsa.rsa_pub_enc = rsa_meth->rsa_pub_enc; + cryptodev_rsa.rsa_pub_dec = rsa_meth->rsa_pub_dec; + cryptodev_rsa.rsa_priv_enc = rsa_meth->rsa_priv_enc; + cryptodev_rsa.rsa_priv_dec = rsa_meth->rsa_priv_dec; + if (cryptodev_asymfeat & CRF_MOD_EXP) { + cryptodev_rsa.bn_mod_exp = cryptodev_bn_mod_exp; + if (cryptodev_asymfeat & CRF_MOD_EXP_CRT) + cryptodev_rsa.rsa_mod_exp = cryptodev_rsa_mod_exp; + else + cryptodev_rsa.rsa_mod_exp = cryptodev_rsa_nocrt_mod_exp; + } + } + + if (ENGINE_set_DSA(engine, &cryptodev_dsa)) { + const DSA_METHOD *meth = DSA_OpenSSL(); + + memcpy(&cryptodev_dsa, meth, sizeof(DSA_METHOD)); + if (cryptodev_asymfeat & CRF_DSA_SIGN) + cryptodev_dsa.dsa_do_sign = cryptodev_dsa_do_sign; + if (cryptodev_asymfeat & CRF_MOD_EXP) { + cryptodev_dsa.bn_mod_exp = cryptodev_dsa_bn_mod_exp; + cryptodev_dsa.dsa_mod_exp = cryptodev_dsa_dsa_mod_exp; + } + if (cryptodev_asymfeat & CRF_DSA_VERIFY) + cryptodev_dsa.dsa_do_verify = cryptodev_dsa_verify; + } + + if (ENGINE_set_DH(engine, &cryptodev_dh)) { + const DH_METHOD *dh_meth = DH_OpenSSL(); + + cryptodev_dh.generate_key = dh_meth->generate_key; + cryptodev_dh.compute_key = dh_meth->compute_key; + cryptodev_dh.bn_mod_exp = dh_meth->bn_mod_exp; + if (cryptodev_asymfeat & CRF_MOD_EXP) { + cryptodev_dh.bn_mod_exp = cryptodev_mod_exp_dh; + if (cryptodev_asymfeat & CRF_DH_COMPUTE_KEY) + cryptodev_dh.compute_key = cryptodev_dh_compute_key; + } + } + + ENGINE_add(engine); + ENGINE_free(engine); + ERR_clear_error(); } -#endif /* HAVE_CRYPTODEV */ +#endif /* HAVE_CRYPTODEV */ |