evp_locl.h
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- /* evp_locl.h */
- /* Written by Dr Stephen N Henson (shenson@bigfoot.com) for the OpenSSL
- * project 2000.
- */
- /* ====================================================================
- * Copyright (c) 1999 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).
- *
- */
- /* Macros to code block cipher wrappers */
- /* Wrapper functions for each cipher mode */
- #define BLOCK_CIPHER_ecb_loop()
- unsigned int 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, unsigned int inl)
- {
- BLOCK_CIPHER_ecb_loop()
- cprefix##_ecb_encrypt(in + i, out + i, &((kstruct *)ctx->cipher_data)->ksched, ctx->encrypt);
- return 1;
- }
- #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, unsigned int 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, unsigned int 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, unsigned int inl)
- {
- cprefix##_cfb##cbits##_encrypt(in, out, (long)inl, &((kstruct *)ctx->cipher_data)->ksched, ctx->iv, &ctx->num, ctx->encrypt);
- 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,
- iv_len, flags, init_key, cleanup, set_asn1,
- get_asn1, ctrl)
- BLOCK_CIPHER_def1(cname, ecb, ecb, ECB, kstruct, nid, block_size, key_len,
- iv_len, 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, iv_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)