diff options
Diffstat (limited to 'crypto/evp/evp_locl.h')
| -rw-r--r-- | crypto/evp/evp_locl.h | 421 |
1 files changed, 58 insertions, 363 deletions
diff --git a/crypto/evp/evp_locl.h b/crypto/evp/evp_locl.h index bee7f6d16504..f1589d682894 100644 --- a/crypto/evp/evp_locl.h +++ b/crypto/evp/evp_locl.h @@ -1,373 +1,68 @@ -/* evp_locl.h */ /* - * Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL project - * 2000. - */ -/* ==================================================================== - * Copyright (c) 1999-2018 The OpenSSL Project. All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in - * the documentation and/or other materials provided with the - * distribution. - * - * 3. All advertising materials mentioning features or use of this - * software must display the following acknowledgment: - * "This product includes software developed by the OpenSSL Project - * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)" - * - * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to - * endorse or promote products derived from this software without - * prior written permission. For written permission, please contact - * licensing@OpenSSL.org. - * - * 5. Products derived from this software may not be called "OpenSSL" - * nor may "OpenSSL" appear in their names without prior written - * permission of the OpenSSL Project. - * - * 6. Redistributions of any form whatsoever must retain the following - * acknowledgment: - * "This product includes software developed by the OpenSSL Project - * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)" - * - * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY - * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR - * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR - * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT - * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; - * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, - * STRICT 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. - * ==================================================================== - * - * This product includes cryptographic software written by Eric Young - * (eay@cryptsoft.com). This product includes software written by Tim - * Hudson (tjh@cryptsoft.com). + * Copyright 2000-2018 The OpenSSL Project Authors. All Rights Reserved. * + * Licensed under the OpenSSL license (the "License"). You may not use + * this file except in compliance with the License. You can obtain a copy + * in the file LICENSE in the source distribution or at + * https://www.openssl.org/source/license.html */ -/* Macros to code block cipher wrappers */ - -/* Wrapper functions for each cipher mode */ - -#define BLOCK_CIPHER_ecb_loop() \ - size_t i, bl; \ - bl = ctx->cipher->block_size;\ - if(inl < bl) return 1;\ - inl -= bl; \ - for(i=0; i <= inl; i+=bl) - -#define BLOCK_CIPHER_func_ecb(cname, cprefix, kstruct, ksched) \ -static int cname##_ecb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, const unsigned char *in, size_t inl) \ -{\ - BLOCK_CIPHER_ecb_loop() \ - cprefix##_ecb_encrypt(in + i, out + i, &((kstruct *)ctx->cipher_data)->ksched, ctx->encrypt);\ - return 1;\ -} - -#define EVP_MAXCHUNK ((size_t)1<<(sizeof(long)*8-2)) - -#define BLOCK_CIPHER_func_ofb(cname, cprefix, cbits, kstruct, ksched) \ -static int cname##_ofb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, const unsigned char *in, size_t inl) \ -{\ - while(inl>=EVP_MAXCHUNK)\ - {\ - cprefix##_ofb##cbits##_encrypt(in, out, (long)EVP_MAXCHUNK, &((kstruct *)ctx->cipher_data)->ksched, ctx->iv, &ctx->num);\ - inl-=EVP_MAXCHUNK;\ - in +=EVP_MAXCHUNK;\ - out+=EVP_MAXCHUNK;\ - }\ - if (inl)\ - cprefix##_ofb##cbits##_encrypt(in, out, (long)inl, &((kstruct *)ctx->cipher_data)->ksched, ctx->iv, &ctx->num);\ - return 1;\ -} - -#define BLOCK_CIPHER_func_cbc(cname, cprefix, kstruct, ksched) \ -static int cname##_cbc_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, const unsigned char *in, size_t inl) \ -{\ - while(inl>=EVP_MAXCHUNK) \ - {\ - cprefix##_cbc_encrypt(in, out, (long)EVP_MAXCHUNK, &((kstruct *)ctx->cipher_data)->ksched, ctx->iv, ctx->encrypt);\ - inl-=EVP_MAXCHUNK;\ - in +=EVP_MAXCHUNK;\ - out+=EVP_MAXCHUNK;\ - }\ - if (inl)\ - cprefix##_cbc_encrypt(in, out, (long)inl, &((kstruct *)ctx->cipher_data)->ksched, ctx->iv, ctx->encrypt);\ - return 1;\ -} - -#define BLOCK_CIPHER_func_cfb(cname, cprefix, cbits, kstruct, ksched) \ -static int cname##_cfb##cbits##_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, const unsigned char *in, size_t inl) \ -{\ - size_t chunk=EVP_MAXCHUNK;\ - if (cbits==1) chunk>>=3;\ - if (inl<chunk) chunk=inl;\ - while(inl && inl>=chunk)\ - {\ - cprefix##_cfb##cbits##_encrypt(in, out, (long)((cbits==1) && !(ctx->flags & EVP_CIPH_FLAG_LENGTH_BITS) ?chunk*8:chunk), &((kstruct *)ctx->cipher_data)->ksched, ctx->iv, &ctx->num, ctx->encrypt);\ - inl-=chunk;\ - in +=chunk;\ - out+=chunk;\ - if(inl<chunk) chunk=inl;\ - }\ - return 1;\ -} - -#define BLOCK_CIPHER_all_funcs(cname, cprefix, cbits, kstruct, ksched) \ - BLOCK_CIPHER_func_cbc(cname, cprefix, kstruct, ksched) \ - BLOCK_CIPHER_func_cfb(cname, cprefix, cbits, kstruct, ksched) \ - BLOCK_CIPHER_func_ecb(cname, cprefix, kstruct, ksched) \ - BLOCK_CIPHER_func_ofb(cname, cprefix, cbits, kstruct, ksched) - -#define BLOCK_CIPHER_def1(cname, nmode, mode, MODE, kstruct, nid, block_size, \ - key_len, iv_len, flags, init_key, cleanup, \ - set_asn1, get_asn1, ctrl) \ -static const EVP_CIPHER cname##_##mode = { \ - nid##_##nmode, block_size, key_len, iv_len, \ - flags | EVP_CIPH_##MODE##_MODE, \ - init_key, \ - cname##_##mode##_cipher, \ - cleanup, \ - sizeof(kstruct), \ - set_asn1, get_asn1,\ - ctrl, \ - NULL \ -}; \ -const EVP_CIPHER *EVP_##cname##_##mode(void) { return &cname##_##mode; } - -#define BLOCK_CIPHER_def_cbc(cname, kstruct, nid, block_size, key_len, \ - iv_len, flags, init_key, cleanup, set_asn1, \ - get_asn1, ctrl) \ -BLOCK_CIPHER_def1(cname, cbc, cbc, CBC, kstruct, nid, block_size, key_len, \ - iv_len, flags, init_key, cleanup, set_asn1, get_asn1, ctrl) - -#define BLOCK_CIPHER_def_cfb(cname, kstruct, nid, key_len, \ - iv_len, cbits, flags, init_key, cleanup, \ - set_asn1, get_asn1, ctrl) \ -BLOCK_CIPHER_def1(cname, cfb##cbits, cfb##cbits, CFB, kstruct, nid, 1, \ - key_len, iv_len, flags, init_key, cleanup, set_asn1, \ - get_asn1, ctrl) - -#define BLOCK_CIPHER_def_ofb(cname, kstruct, nid, key_len, \ - iv_len, cbits, flags, init_key, cleanup, \ - set_asn1, get_asn1, ctrl) \ -BLOCK_CIPHER_def1(cname, ofb##cbits, ofb, OFB, kstruct, nid, 1, \ - key_len, iv_len, flags, init_key, cleanup, set_asn1, \ - get_asn1, ctrl) - -#define BLOCK_CIPHER_def_ecb(cname, kstruct, nid, block_size, key_len, \ - flags, init_key, cleanup, set_asn1, \ - get_asn1, ctrl) \ -BLOCK_CIPHER_def1(cname, ecb, ecb, ECB, kstruct, nid, block_size, key_len, \ - 0, flags, init_key, cleanup, set_asn1, get_asn1, ctrl) - -#define BLOCK_CIPHER_defs(cname, kstruct, \ - nid, block_size, key_len, iv_len, cbits, flags, \ - init_key, cleanup, set_asn1, get_asn1, ctrl) \ -BLOCK_CIPHER_def_cbc(cname, kstruct, nid, block_size, key_len, iv_len, flags, \ - init_key, cleanup, set_asn1, get_asn1, ctrl) \ -BLOCK_CIPHER_def_cfb(cname, kstruct, nid, key_len, iv_len, cbits, \ - flags, init_key, cleanup, set_asn1, get_asn1, ctrl) \ -BLOCK_CIPHER_def_ofb(cname, kstruct, nid, key_len, iv_len, cbits, \ - flags, init_key, cleanup, set_asn1, get_asn1, ctrl) \ -BLOCK_CIPHER_def_ecb(cname, kstruct, nid, block_size, key_len, flags, \ - init_key, cleanup, set_asn1, get_asn1, ctrl) - -/*- -#define BLOCK_CIPHER_defs(cname, kstruct, \ - nid, block_size, key_len, iv_len, flags,\ - init_key, cleanup, set_asn1, get_asn1, ctrl)\ -static const EVP_CIPHER cname##_cbc = {\ - nid##_cbc, block_size, key_len, iv_len, \ - flags | EVP_CIPH_CBC_MODE,\ - init_key,\ - cname##_cbc_cipher,\ - cleanup,\ - sizeof(EVP_CIPHER_CTX)-sizeof((((EVP_CIPHER_CTX *)NULL)->c))+\ - sizeof((((EVP_CIPHER_CTX *)NULL)->c.kstruct)),\ - set_asn1, get_asn1,\ - ctrl, \ - NULL \ -};\ -const EVP_CIPHER *EVP_##cname##_cbc(void) { return &cname##_cbc; }\ -static const EVP_CIPHER cname##_cfb = {\ - nid##_cfb64, 1, key_len, iv_len, \ - flags | EVP_CIPH_CFB_MODE,\ - init_key,\ - cname##_cfb_cipher,\ - cleanup,\ - sizeof(EVP_CIPHER_CTX)-sizeof((((EVP_CIPHER_CTX *)NULL)->c))+\ - sizeof((((EVP_CIPHER_CTX *)NULL)->c.kstruct)),\ - set_asn1, get_asn1,\ - ctrl,\ - NULL \ -};\ -const EVP_CIPHER *EVP_##cname##_cfb(void) { return &cname##_cfb; }\ -static const EVP_CIPHER cname##_ofb = {\ - nid##_ofb64, 1, key_len, iv_len, \ - flags | EVP_CIPH_OFB_MODE,\ - init_key,\ - cname##_ofb_cipher,\ - cleanup,\ - sizeof(EVP_CIPHER_CTX)-sizeof((((EVP_CIPHER_CTX *)NULL)->c))+\ - sizeof((((EVP_CIPHER_CTX *)NULL)->c.kstruct)),\ - set_asn1, get_asn1,\ - ctrl,\ - NULL \ -};\ -const EVP_CIPHER *EVP_##cname##_ofb(void) { return &cname##_ofb; }\ -static const EVP_CIPHER cname##_ecb = {\ - nid##_ecb, block_size, key_len, iv_len, \ - flags | EVP_CIPH_ECB_MODE,\ - init_key,\ - cname##_ecb_cipher,\ - cleanup,\ - sizeof(EVP_CIPHER_CTX)-sizeof((((EVP_CIPHER_CTX *)NULL)->c))+\ - sizeof((((EVP_CIPHER_CTX *)NULL)->c.kstruct)),\ - set_asn1, get_asn1,\ - ctrl,\ - NULL \ -};\ -const EVP_CIPHER *EVP_##cname##_ecb(void) { return &cname##_ecb; } -*/ - -#define IMPLEMENT_BLOCK_CIPHER(cname, ksched, cprefix, kstruct, nid, \ - block_size, key_len, iv_len, cbits, \ - flags, init_key, \ - cleanup, set_asn1, get_asn1, ctrl) \ - BLOCK_CIPHER_all_funcs(cname, cprefix, cbits, kstruct, ksched) \ - BLOCK_CIPHER_defs(cname, kstruct, nid, block_size, key_len, iv_len, \ - cbits, flags, init_key, cleanup, set_asn1, \ - get_asn1, ctrl) - -#define EVP_C_DATA(kstruct, ctx) ((kstruct *)(ctx)->cipher_data) - -#define IMPLEMENT_CFBR(cipher,cprefix,kstruct,ksched,keysize,cbits,iv_len) \ - BLOCK_CIPHER_func_cfb(cipher##_##keysize,cprefix,cbits,kstruct,ksched) \ - BLOCK_CIPHER_def_cfb(cipher##_##keysize,kstruct, \ - NID_##cipher##_##keysize, keysize/8, iv_len, cbits, \ - 0, cipher##_init_key, NULL, \ - EVP_CIPHER_set_asn1_iv, \ - EVP_CIPHER_get_asn1_iv, \ - NULL) - -struct evp_pkey_ctx_st { - /* Method associated with this operation */ - const EVP_PKEY_METHOD *pmeth; - /* Engine that implements this method or NULL if builtin */ - ENGINE *engine; - /* Key: may be NULL */ - EVP_PKEY *pkey; - /* Peer key for key agreement, may be NULL */ - EVP_PKEY *peerkey; - /* Actual operation */ - int operation; - /* Algorithm specific data */ - void *data; - /* Application specific data */ - void *app_data; - /* Keygen callback */ - EVP_PKEY_gen_cb *pkey_gencb; - /* implementation specific keygen data */ - int *keygen_info; - int keygen_info_count; -} /* EVP_PKEY_CTX */ ; - -#define EVP_PKEY_FLAG_DYNAMIC 1 - -struct evp_pkey_method_st { - int pkey_id; - int flags; - int (*init) (EVP_PKEY_CTX *ctx); - int (*copy) (EVP_PKEY_CTX *dst, EVP_PKEY_CTX *src); - void (*cleanup) (EVP_PKEY_CTX *ctx); - int (*paramgen_init) (EVP_PKEY_CTX *ctx); - int (*paramgen) (EVP_PKEY_CTX *ctx, EVP_PKEY *pkey); - int (*keygen_init) (EVP_PKEY_CTX *ctx); - int (*keygen) (EVP_PKEY_CTX *ctx, EVP_PKEY *pkey); - int (*sign_init) (EVP_PKEY_CTX *ctx); - int (*sign) (EVP_PKEY_CTX *ctx, unsigned char *sig, size_t *siglen, - const unsigned char *tbs, size_t tbslen); - int (*verify_init) (EVP_PKEY_CTX *ctx); - int (*verify) (EVP_PKEY_CTX *ctx, - const unsigned char *sig, size_t siglen, - const unsigned char *tbs, size_t tbslen); - int (*verify_recover_init) (EVP_PKEY_CTX *ctx); - int (*verify_recover) (EVP_PKEY_CTX *ctx, - unsigned char *rout, size_t *routlen, - const unsigned char *sig, size_t siglen); - int (*signctx_init) (EVP_PKEY_CTX *ctx, EVP_MD_CTX *mctx); - int (*signctx) (EVP_PKEY_CTX *ctx, unsigned char *sig, size_t *siglen, - EVP_MD_CTX *mctx); - int (*verifyctx_init) (EVP_PKEY_CTX *ctx, EVP_MD_CTX *mctx); - int (*verifyctx) (EVP_PKEY_CTX *ctx, const unsigned char *sig, int siglen, - EVP_MD_CTX *mctx); - int (*encrypt_init) (EVP_PKEY_CTX *ctx); - int (*encrypt) (EVP_PKEY_CTX *ctx, unsigned char *out, size_t *outlen, - const unsigned char *in, size_t inlen); - int (*decrypt_init) (EVP_PKEY_CTX *ctx); - int (*decrypt) (EVP_PKEY_CTX *ctx, unsigned char *out, size_t *outlen, - const unsigned char *in, size_t inlen); - int (*derive_init) (EVP_PKEY_CTX *ctx); - int (*derive) (EVP_PKEY_CTX *ctx, unsigned char *key, size_t *keylen); - int (*ctrl) (EVP_PKEY_CTX *ctx, int type, int p1, void *p2); - int (*ctrl_str) (EVP_PKEY_CTX *ctx, const char *type, const char *value); -} /* EVP_PKEY_METHOD */ ; - -void evp_pkey_set_cb_translate(BN_GENCB *cb, EVP_PKEY_CTX *ctx); +/* EVP_MD_CTX related stuff */ + +struct evp_md_ctx_st { + const EVP_MD *digest; + ENGINE *engine; /* functional reference if 'digest' is + * ENGINE-provided */ + unsigned long flags; + void *md_data; + /* Public key context for sign/verify */ + EVP_PKEY_CTX *pctx; + /* Update function: usually copied from EVP_MD */ + int (*update) (EVP_MD_CTX *ctx, const void *data, size_t count); +} /* EVP_MD_CTX */ ; + +struct evp_cipher_ctx_st { + const EVP_CIPHER *cipher; + ENGINE *engine; /* functional reference if 'cipher' is + * ENGINE-provided */ + int encrypt; /* encrypt or decrypt */ + int buf_len; /* number we have left */ + unsigned char oiv[EVP_MAX_IV_LENGTH]; /* original iv */ + unsigned char iv[EVP_MAX_IV_LENGTH]; /* working iv */ + unsigned char buf[EVP_MAX_BLOCK_LENGTH]; /* saved partial block */ + int num; /* used by cfb/ofb/ctr mode */ + /* FIXME: Should this even exist? It appears unused */ + void *app_data; /* application stuff */ + int key_len; /* May change for variable length cipher */ + unsigned long flags; /* Various flags */ + void *cipher_data; /* per EVP data */ + int final_used; + int block_mask; + unsigned char final[EVP_MAX_BLOCK_LENGTH]; /* possible final block */ +} /* EVP_CIPHER_CTX */ ; int PKCS5_v2_PBKDF2_keyivgen(EVP_CIPHER_CTX *ctx, const char *pass, int passlen, ASN1_TYPE *param, const EVP_CIPHER *c, const EVP_MD *md, int en_de); -const EVP_MD *evp_get_fips_md(const EVP_MD *md); -const EVP_CIPHER *evp_get_fips_cipher(const EVP_CIPHER *cipher); - -#ifdef OPENSSL_FIPS - -# ifdef OPENSSL_DOING_MAKEDEPEND -# undef SHA1_Init -# undef SHA1_Update -# undef SHA224_Init -# undef SHA256_Init -# undef SHA384_Init -# undef SHA512_Init -# undef DES_set_key_unchecked -# endif - -# define RIPEMD160_Init private_RIPEMD160_Init -# define WHIRLPOOL_Init private_WHIRLPOOL_Init -# define MD5_Init private_MD5_Init -# define MD4_Init private_MD4_Init -# define MD2_Init private_MD2_Init -# define MDC2_Init private_MDC2_Init -# define SHA_Init private_SHA_Init -# define SHA1_Init private_SHA1_Init -# define SHA224_Init private_SHA224_Init -# define SHA256_Init private_SHA256_Init -# define SHA384_Init private_SHA384_Init -# define SHA512_Init private_SHA512_Init - -# define BF_set_key private_BF_set_key -# define CAST_set_key private_CAST_set_key -# define idea_set_encrypt_key private_idea_set_encrypt_key -# define SEED_set_key private_SEED_set_key -# define RC2_set_key private_RC2_set_key -# define RC4_set_key private_RC4_set_key -# define DES_set_key_unchecked private_DES_set_key_unchecked -# define Camellia_set_key private_Camellia_set_key - -#endif +struct evp_Encode_Ctx_st { + /* number saved in a partial encode/decode */ + int num; + /* + * The length is either the output line length (in input bytes) or the + * shortest input line length that is ok. Once decoding begins, the + * length is adjusted up each time a longer line is decoded + */ + int length; + /* data to encode */ + unsigned char enc_data[80]; + /* number read on current line */ + int line_num; + unsigned int flags; +}; + +typedef struct evp_pbe_st EVP_PBE_CTL; +DEFINE_STACK_OF(EVP_PBE_CTL) + +int is_partially_overlapping(const void *ptr1, const void *ptr2, int len); |