diff options
Diffstat (limited to 'crypto/evp/p_lib.c')
| -rw-r--r-- | crypto/evp/p_lib.c | 571 |
1 files changed, 279 insertions, 292 deletions
diff --git a/crypto/evp/p_lib.c b/crypto/evp/p_lib.c index e26ccd0d086a..2b84dc75ec3a 100644 --- a/crypto/evp/p_lib.c +++ b/crypto/evp/p_lib.c @@ -5,21 +5,21 @@ * This package is an SSL implementation written * by Eric Young (eay@cryptsoft.com). * The implementation was written so as to conform with Netscapes SSL. - * + * * This library is free for commercial and non-commercial use as long as * the following conditions are aheared to. The following conditions * apply to all code found in this distribution, be it the RC4, RSA, * lhash, DES, etc., code; not just the SSL code. The SSL documentation * included with this distribution is covered by the same copyright terms * except that the holder is Tim Hudson (tjh@cryptsoft.com). - * + * * Copyright remains Eric Young's, and as such any Copyright notices in * the code are not to be removed. * If this package is used in a product, Eric Young should be given attribution * as the author of the parts of the library used. * This can be in the form of a textual message at program startup or * in documentation (online or textual) provided with the package. - * + * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: @@ -34,10 +34,10 @@ * Eric Young (eay@cryptsoft.com)" * The word 'cryptographic' can be left out if the rouines from the library * being used are not cryptographic related :-). - * 4. If you include any Windows specific code (or a derivative thereof) from + * 4. If you include any Windows specific code (or a derivative thereof) from * the apps directory (application code) you must include an acknowledgement: * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" - * + * * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE @@ -49,7 +49,7 @@ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. - * + * * The licence and distribution terms for any publically available version or * derivative of this code cannot be changed. i.e. this code cannot simply be * copied and put under another distribution licence @@ -65,17 +65,17 @@ #include <openssl/asn1_mac.h> #include <openssl/x509.h> #ifndef OPENSSL_NO_RSA -#include <openssl/rsa.h> +# include <openssl/rsa.h> #endif #ifndef OPENSSL_NO_DSA -#include <openssl/dsa.h> +# include <openssl/dsa.h> #endif #ifndef OPENSSL_NO_DH -#include <openssl/dh.h> +# include <openssl/dh.h> #endif #ifndef OPENSSL_NO_ENGINE -#include <openssl/engine.h> +# include <openssl/engine.h> #endif #include "asn1_locl.h" @@ -83,233 +83,224 @@ static void EVP_PKEY_free_it(EVP_PKEY *x); int EVP_PKEY_bits(EVP_PKEY *pkey) - { - if (pkey && pkey->ameth && pkey->ameth->pkey_bits) - return pkey->ameth->pkey_bits(pkey); - return 0; - } +{ + if (pkey && pkey->ameth && pkey->ameth->pkey_bits) + return pkey->ameth->pkey_bits(pkey); + return 0; +} int EVP_PKEY_size(EVP_PKEY *pkey) - { - if (pkey && pkey->ameth && pkey->ameth->pkey_size) - return pkey->ameth->pkey_size(pkey); - return 0; - } +{ + if (pkey && pkey->ameth && pkey->ameth->pkey_size) + return pkey->ameth->pkey_size(pkey); + return 0; +} int EVP_PKEY_save_parameters(EVP_PKEY *pkey, int mode) - { +{ #ifndef OPENSSL_NO_DSA - if (pkey->type == EVP_PKEY_DSA) - { - int ret=pkey->save_parameters; - - if (mode >= 0) - pkey->save_parameters=mode; - return(ret); - } + if (pkey->type == EVP_PKEY_DSA) { + int ret = pkey->save_parameters; + + if (mode >= 0) + pkey->save_parameters = mode; + return (ret); + } #endif #ifndef OPENSSL_NO_EC - if (pkey->type == EVP_PKEY_EC) - { - int ret = pkey->save_parameters; - - if (mode >= 0) - pkey->save_parameters = mode; - return(ret); - } + if (pkey->type == EVP_PKEY_EC) { + int ret = pkey->save_parameters; + + if (mode >= 0) + pkey->save_parameters = mode; + return (ret); + } #endif - return(0); - } + return (0); +} int EVP_PKEY_copy_parameters(EVP_PKEY *to, const EVP_PKEY *from) - { - if (to->type != from->type) - { - EVPerr(EVP_F_EVP_PKEY_COPY_PARAMETERS,EVP_R_DIFFERENT_KEY_TYPES); - goto err; - } - - if (EVP_PKEY_missing_parameters(from)) - { - EVPerr(EVP_F_EVP_PKEY_COPY_PARAMETERS,EVP_R_MISSING_PARAMETERS); - goto err; - } - if (from->ameth && from->ameth->param_copy) - return from->ameth->param_copy(to, from); -err: - return 0; - } +{ + if (to->type != from->type) { + EVPerr(EVP_F_EVP_PKEY_COPY_PARAMETERS, EVP_R_DIFFERENT_KEY_TYPES); + goto err; + } + + if (EVP_PKEY_missing_parameters(from)) { + EVPerr(EVP_F_EVP_PKEY_COPY_PARAMETERS, EVP_R_MISSING_PARAMETERS); + goto err; + } + if (from->ameth && from->ameth->param_copy) + return from->ameth->param_copy(to, from); + err: + return 0; +} int EVP_PKEY_missing_parameters(const EVP_PKEY *pkey) - { - if (pkey->ameth && pkey->ameth->param_missing) - return pkey->ameth->param_missing(pkey); - return 0; - } +{ + if (pkey->ameth && pkey->ameth->param_missing) + return pkey->ameth->param_missing(pkey); + return 0; +} int EVP_PKEY_cmp_parameters(const EVP_PKEY *a, const EVP_PKEY *b) - { - if (a->type != b->type) - return -1; - if (a->ameth && a->ameth->param_cmp) - return a->ameth->param_cmp(a, b); - return -2; - } +{ + if (a->type != b->type) + return -1; + if (a->ameth && a->ameth->param_cmp) + return a->ameth->param_cmp(a, b); + return -2; +} int EVP_PKEY_cmp(const EVP_PKEY *a, const EVP_PKEY *b) - { - if (a->type != b->type) - return -1; - - if (a->ameth) - { - int ret; - /* Compare parameters if the algorithm has them */ - if (a->ameth->param_cmp) - { - ret = a->ameth->param_cmp(a, b); - if (ret <= 0) - return ret; - } - - if (a->ameth->pub_cmp) - return a->ameth->pub_cmp(a, b); - } - - return -2; - } +{ + if (a->type != b->type) + return -1; + + if (a->ameth) { + int ret; + /* Compare parameters if the algorithm has them */ + if (a->ameth->param_cmp) { + ret = a->ameth->param_cmp(a, b); + if (ret <= 0) + return ret; + } + + if (a->ameth->pub_cmp) + return a->ameth->pub_cmp(a, b); + } + + return -2; +} EVP_PKEY *EVP_PKEY_new(void) - { - EVP_PKEY *ret; - - ret=(EVP_PKEY *)OPENSSL_malloc(sizeof(EVP_PKEY)); - if (ret == NULL) - { - EVPerr(EVP_F_EVP_PKEY_NEW,ERR_R_MALLOC_FAILURE); - return(NULL); - } - ret->type=EVP_PKEY_NONE; - ret->save_type=EVP_PKEY_NONE; - ret->references=1; - ret->ameth=NULL; - ret->engine=NULL; - ret->pkey.ptr=NULL; - ret->attributes=NULL; - ret->save_parameters=1; - return(ret); - } - -/* Setup a public key ASN1 method and ENGINE from a NID or a string. - * If pkey is NULL just return 1 or 0 if the algorithm exists. +{ + EVP_PKEY *ret; + + ret = (EVP_PKEY *)OPENSSL_malloc(sizeof(EVP_PKEY)); + if (ret == NULL) { + EVPerr(EVP_F_EVP_PKEY_NEW, ERR_R_MALLOC_FAILURE); + return (NULL); + } + ret->type = EVP_PKEY_NONE; + ret->save_type = EVP_PKEY_NONE; + ret->references = 1; + ret->ameth = NULL; + ret->engine = NULL; + ret->pkey.ptr = NULL; + ret->attributes = NULL; + ret->save_parameters = 1; + return (ret); +} + +/* + * Setup a public key ASN1 method and ENGINE from a NID or a string. If pkey + * is NULL just return 1 or 0 if the algorithm exists. */ static int pkey_set_type(EVP_PKEY *pkey, int type, const char *str, int len) - { - const EVP_PKEY_ASN1_METHOD *ameth; - ENGINE *e = NULL; - if (pkey) - { - if (pkey->pkey.ptr) - EVP_PKEY_free_it(pkey); - /* If key type matches and a method exists then this - * lookup has succeeded once so just indicate success. - */ - if ((type == pkey->save_type) && pkey->ameth) - return 1; +{ + const EVP_PKEY_ASN1_METHOD *ameth; + ENGINE *e = NULL; + if (pkey) { + if (pkey->pkey.ptr) + EVP_PKEY_free_it(pkey); + /* + * If key type matches and a method exists then this lookup has + * succeeded once so just indicate success. + */ + if ((type == pkey->save_type) && pkey->ameth) + return 1; #ifndef OPENSSL_NO_ENGINE - /* If we have an ENGINE release it */ - if (pkey->engine) - { - ENGINE_finish(pkey->engine); - pkey->engine = NULL; - } + /* If we have an ENGINE release it */ + if (pkey->engine) { + ENGINE_finish(pkey->engine); + pkey->engine = NULL; + } #endif - } - if (str) - ameth = EVP_PKEY_asn1_find_str(&e, str, len); - else - ameth = EVP_PKEY_asn1_find(&e, type); + } + if (str) + ameth = EVP_PKEY_asn1_find_str(&e, str, len); + else + ameth = EVP_PKEY_asn1_find(&e, type); #ifndef OPENSSL_NO_ENGINE - if (!pkey && e) - ENGINE_finish(e); + if (!pkey && e) + ENGINE_finish(e); #endif - if (!ameth) - { - EVPerr(EVP_F_PKEY_SET_TYPE, EVP_R_UNSUPPORTED_ALGORITHM); - return 0; - } - if (pkey) - { - pkey->ameth = ameth; - pkey->engine = e; - - pkey->type = pkey->ameth->pkey_id; - pkey->save_type=type; - } - return 1; - } + if (!ameth) { + EVPerr(EVP_F_PKEY_SET_TYPE, EVP_R_UNSUPPORTED_ALGORITHM); + return 0; + } + if (pkey) { + pkey->ameth = ameth; + pkey->engine = e; + + pkey->type = pkey->ameth->pkey_id; + pkey->save_type = type; + } + return 1; +} int EVP_PKEY_set_type(EVP_PKEY *pkey, int type) - { - return pkey_set_type(pkey, type, NULL, -1); - } +{ + return pkey_set_type(pkey, type, NULL, -1); +} int EVP_PKEY_set_type_str(EVP_PKEY *pkey, const char *str, int len) - { - return pkey_set_type(pkey, EVP_PKEY_NONE, str, len); - } +{ + return pkey_set_type(pkey, EVP_PKEY_NONE, str, len); +} int EVP_PKEY_assign(EVP_PKEY *pkey, int type, void *key) - { - if (!EVP_PKEY_set_type(pkey, type)) - return 0; - pkey->pkey.ptr=key; - return (key != NULL); - } +{ + if (!EVP_PKEY_set_type(pkey, type)) + return 0; + pkey->pkey.ptr = key; + return (key != NULL); +} void *EVP_PKEY_get0(EVP_PKEY *pkey) - { - return pkey->pkey.ptr; - } +{ + return pkey->pkey.ptr; +} #ifndef OPENSSL_NO_RSA int EVP_PKEY_set1_RSA(EVP_PKEY *pkey, RSA *key) { - int ret = EVP_PKEY_assign_RSA(pkey, key); - if(ret) - RSA_up_ref(key); - return ret; + int ret = EVP_PKEY_assign_RSA(pkey, key); + if (ret) + RSA_up_ref(key); + return ret; } RSA *EVP_PKEY_get1_RSA(EVP_PKEY *pkey) - { - if(pkey->type != EVP_PKEY_RSA) { - EVPerr(EVP_F_EVP_PKEY_GET1_RSA, EVP_R_EXPECTING_AN_RSA_KEY); - return NULL; - } - RSA_up_ref(pkey->pkey.rsa); - return pkey->pkey.rsa; +{ + if (pkey->type != EVP_PKEY_RSA) { + EVPerr(EVP_F_EVP_PKEY_GET1_RSA, EVP_R_EXPECTING_AN_RSA_KEY); + return NULL; + } + RSA_up_ref(pkey->pkey.rsa); + return pkey->pkey.rsa; } #endif #ifndef OPENSSL_NO_DSA int EVP_PKEY_set1_DSA(EVP_PKEY *pkey, DSA *key) { - int ret = EVP_PKEY_assign_DSA(pkey, key); - if(ret) - DSA_up_ref(key); - return ret; + int ret = EVP_PKEY_assign_DSA(pkey, key); + if (ret) + DSA_up_ref(key); + return ret; } DSA *EVP_PKEY_get1_DSA(EVP_PKEY *pkey) - { - if(pkey->type != EVP_PKEY_DSA) { - EVPerr(EVP_F_EVP_PKEY_GET1_DSA, EVP_R_EXPECTING_A_DSA_KEY); - return NULL; - } - DSA_up_ref(pkey->pkey.dsa); - return pkey->pkey.dsa; +{ + if (pkey->type != EVP_PKEY_DSA) { + EVPerr(EVP_F_EVP_PKEY_GET1_DSA, EVP_R_EXPECTING_A_DSA_KEY); + return NULL; + } + DSA_up_ref(pkey->pkey.dsa); + return pkey->pkey.dsa; } #endif @@ -317,153 +308,149 @@ DSA *EVP_PKEY_get1_DSA(EVP_PKEY *pkey) int EVP_PKEY_set1_EC_KEY(EVP_PKEY *pkey, EC_KEY *key) { - int ret = EVP_PKEY_assign_EC_KEY(pkey,key); - if (ret) - EC_KEY_up_ref(key); - return ret; + int ret = EVP_PKEY_assign_EC_KEY(pkey, key); + if (ret) + EC_KEY_up_ref(key); + return ret; } EC_KEY *EVP_PKEY_get1_EC_KEY(EVP_PKEY *pkey) { - if (pkey->type != EVP_PKEY_EC) - { - EVPerr(EVP_F_EVP_PKEY_GET1_EC_KEY, EVP_R_EXPECTING_A_EC_KEY); - return NULL; - } - EC_KEY_up_ref(pkey->pkey.ec); - return pkey->pkey.ec; + if (pkey->type != EVP_PKEY_EC) { + EVPerr(EVP_F_EVP_PKEY_GET1_EC_KEY, EVP_R_EXPECTING_A_EC_KEY); + return NULL; + } + EC_KEY_up_ref(pkey->pkey.ec); + return pkey->pkey.ec; } #endif - #ifndef OPENSSL_NO_DH int EVP_PKEY_set1_DH(EVP_PKEY *pkey, DH *key) { - int ret = EVP_PKEY_assign_DH(pkey, key); - if(ret) - DH_up_ref(key); - return ret; + int ret = EVP_PKEY_assign_DH(pkey, key); + if (ret) + DH_up_ref(key); + return ret; } DH *EVP_PKEY_get1_DH(EVP_PKEY *pkey) - { - if(pkey->type != EVP_PKEY_DH) { - EVPerr(EVP_F_EVP_PKEY_GET1_DH, EVP_R_EXPECTING_A_DH_KEY); - return NULL; - } - DH_up_ref(pkey->pkey.dh); - return pkey->pkey.dh; +{ + if (pkey->type != EVP_PKEY_DH) { + EVPerr(EVP_F_EVP_PKEY_GET1_DH, EVP_R_EXPECTING_A_DH_KEY); + return NULL; + } + DH_up_ref(pkey->pkey.dh); + return pkey->pkey.dh; } #endif int EVP_PKEY_type(int type) - { - int ret; - const EVP_PKEY_ASN1_METHOD *ameth; - ENGINE *e; - ameth = EVP_PKEY_asn1_find(&e, type); - if (ameth) - ret = ameth->pkey_id; - else - ret = NID_undef; +{ + int ret; + const EVP_PKEY_ASN1_METHOD *ameth; + ENGINE *e; + ameth = EVP_PKEY_asn1_find(&e, type); + if (ameth) + ret = ameth->pkey_id; + else + ret = NID_undef; #ifndef OPENSSL_NO_ENGINE - if (e) - ENGINE_finish(e); + if (e) + ENGINE_finish(e); #endif - return ret; - } + return ret; +} int EVP_PKEY_id(const EVP_PKEY *pkey) - { - return pkey->type; - } +{ + return pkey->type; +} int EVP_PKEY_base_id(const EVP_PKEY *pkey) - { - return EVP_PKEY_type(pkey->type); - } +{ + return EVP_PKEY_type(pkey->type); +} void EVP_PKEY_free(EVP_PKEY *x) - { - int i; +{ + int i; - if (x == NULL) return; + if (x == NULL) + return; - i=CRYPTO_add(&x->references,-1,CRYPTO_LOCK_EVP_PKEY); + i = CRYPTO_add(&x->references, -1, CRYPTO_LOCK_EVP_PKEY); #ifdef REF_PRINT - REF_PRINT("EVP_PKEY",x); + REF_PRINT("EVP_PKEY", x); #endif - if (i > 0) return; + if (i > 0) + return; #ifdef REF_CHECK - if (i < 0) - { - fprintf(stderr,"EVP_PKEY_free, bad reference count\n"); - abort(); - } + if (i < 0) { + fprintf(stderr, "EVP_PKEY_free, bad reference count\n"); + abort(); + } #endif - EVP_PKEY_free_it(x); - if (x->attributes) - sk_X509_ATTRIBUTE_pop_free(x->attributes, X509_ATTRIBUTE_free); - OPENSSL_free(x); - } + EVP_PKEY_free_it(x); + if (x->attributes) + sk_X509_ATTRIBUTE_pop_free(x->attributes, X509_ATTRIBUTE_free); + OPENSSL_free(x); +} static void EVP_PKEY_free_it(EVP_PKEY *x) - { - if (x->ameth && x->ameth->pkey_free) - { - x->ameth->pkey_free(x); - x->pkey.ptr = NULL; - } +{ + if (x->ameth && x->ameth->pkey_free) { + x->ameth->pkey_free(x); + x->pkey.ptr = NULL; + } #ifndef OPENSSL_NO_ENGINE - if (x->engine) - { - ENGINE_finish(x->engine); - x->engine = NULL; - } + if (x->engine) { + ENGINE_finish(x->engine); + x->engine = NULL; + } #endif - } +} static int unsup_alg(BIO *out, const EVP_PKEY *pkey, int indent, - const char *kstr) - { - BIO_indent(out, indent, 128); - BIO_printf(out, "%s algorithm \"%s\" unsupported\n", - kstr, OBJ_nid2ln(pkey->type)); - return 1; - } + const char *kstr) +{ + BIO_indent(out, indent, 128); + BIO_printf(out, "%s algorithm \"%s\" unsupported\n", + kstr, OBJ_nid2ln(pkey->type)); + return 1; +} int EVP_PKEY_print_public(BIO *out, const EVP_PKEY *pkey, - int indent, ASN1_PCTX *pctx) - { - if (pkey->ameth && pkey->ameth->pub_print) - return pkey->ameth->pub_print(out, pkey, indent, pctx); - - return unsup_alg(out, pkey, indent, "Public Key"); - } + int indent, ASN1_PCTX *pctx) +{ + if (pkey->ameth && pkey->ameth->pub_print) + return pkey->ameth->pub_print(out, pkey, indent, pctx); + + return unsup_alg(out, pkey, indent, "Public Key"); +} int EVP_PKEY_print_private(BIO *out, const EVP_PKEY *pkey, - int indent, ASN1_PCTX *pctx) - { - if (pkey->ameth && pkey->ameth->priv_print) - return pkey->ameth->priv_print(out, pkey, indent, pctx); - - return unsup_alg(out, pkey, indent, "Private Key"); - } + int indent, ASN1_PCTX *pctx) +{ + if (pkey->ameth && pkey->ameth->priv_print) + return pkey->ameth->priv_print(out, pkey, indent, pctx); + + return unsup_alg(out, pkey, indent, "Private Key"); +} int EVP_PKEY_print_params(BIO *out, const EVP_PKEY *pkey, - int indent, ASN1_PCTX *pctx) - { - if (pkey->ameth && pkey->ameth->param_print) - return pkey->ameth->param_print(out, pkey, indent, pctx); - return unsup_alg(out, pkey, indent, "Parameters"); - } + int indent, ASN1_PCTX *pctx) +{ + if (pkey->ameth && pkey->ameth->param_print) + return pkey->ameth->param_print(out, pkey, indent, pctx); + return unsup_alg(out, pkey, indent, "Parameters"); +} int EVP_PKEY_get_default_digest_nid(EVP_PKEY *pkey, int *pnid) - { - if (!pkey->ameth || !pkey->ameth->pkey_ctrl) - return -2; - return pkey->ameth->pkey_ctrl(pkey, ASN1_PKEY_CTRL_DEFAULT_MD_NID, - 0, pnid); - } - +{ + if (!pkey->ameth || !pkey->ameth->pkey_ctrl) + return -2; + return pkey->ameth->pkey_ctrl(pkey, ASN1_PKEY_CTRL_DEFAULT_MD_NID, + 0, pnid); +} |