627ec355d8
causes MASM to complain and not produce valid debug info. Hopefully this wont break anything else... Also fix typo in e_rd.c
131 lines
4.4 KiB
C
131 lines
4.4 KiB
C
/* ====================================================================
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* Copyright (c) 2000 The OpenSSL Project. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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*
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* 3. All advertising materials mentioning features or use of this
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* software must display the following acknowledgment:
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* "This product includes software developed by the OpenSSL Project
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* for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
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*
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* 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
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* endorse or promote products derived from this software without
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* prior written permission. For written permission, please contact
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* openssl-core@openssl.org.
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*
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* 5. Products derived from this software may not be called "OpenSSL"
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* nor may "OpenSSL" appear in their names without prior written
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* permission of the OpenSSL Project.
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*
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* 6. Redistributions of any form whatsoever must retain the following
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* acknowledgment:
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* "This product includes software developed by the OpenSSL Project
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* for use in the OpenSSL Toolkit (http://www.openssl.org/)"
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*
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* THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
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* EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
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* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
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* OF THE POSSIBILITY OF SUCH DAMAGE.
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* ====================================================================
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*
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*/
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#include <openssl/evp.h>
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#include <openssl/err.h>
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#include <memory.h>
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#include <assert.h>
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static EVP_CIPHER rd_cipher[3][3];
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static int anSizes[]={16,24,32};
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static int anNIDs[3][3]=
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{
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{ NID_rijndael_ecb_k128_b128,NID_rijndael_ecb_k192_b128,NID_rijndael_ecb_k256_b128 },
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{ NID_rijndael_ecb_k128_b192,NID_rijndael_ecb_k192_b192,NID_rijndael_ecb_k256_b192 },
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{ NID_rijndael_ecb_k128_b256,NID_rijndael_ecb_k192_b256,NID_rijndael_ecb_k256_b256 }
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};
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static int rd_init_ecb(EVP_CIPHER_CTX *ctx, const unsigned char *key,
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const unsigned char *iv, int enc)
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{
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RIJNDAEL_KEY *k=&ctx->c.rijndael;
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k->enc=enc;
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k->rounds=ctx->cipher->key_len/4+6;
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rijndaelKeySched((const word8 (*)[4])key,k->keySched,k->rounds);
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if(!k->enc)
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rijndaelKeyEncToDec(k->keySched,k->rounds);
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memcpy(k->iv,iv,ctx->cipher->iv_len);
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return 1;
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}
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static int rd_cipher_ecb(EVP_CIPHER_CTX *ctx, unsigned char *out,
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const unsigned char *in, unsigned int inl)
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{
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while(inl > 0)
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{
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if(ctx->c.rijndael.enc)
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rijndaelEncrypt(in,out,ctx->c.rijndael.keySched,
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ctx->c.rijndael.rounds);
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else
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rijndaelDecrypt(in,out,ctx->c.rijndael.keySched,
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ctx->c.rijndael.rounds);
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inl-=16;
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in+=16;
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out+=16;
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}
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assert(inl == 0);
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return 1;
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}
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EVP_CIPHER *EVP_rijndael_ecb(int nBlockLength,int nKeyLength)
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{
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EVP_CIPHER *c;
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if(nBlockLength < 0 || nBlockLength > 2)
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{
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EVPerr(EVP_F_EVP_RIJNDAEL,EVP_R_BAD_BLOCK_LENGTH);
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return NULL;
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}
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if(nKeyLength < 0 || nKeyLength > 2)
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{
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EVPerr(EVP_F_EVP_RIJNDAEL,EVP_R_BAD_KEY_LENGTH);
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return NULL;
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}
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c=&rd_cipher[nKeyLength][nBlockLength];
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memset(c,'\0',sizeof *c);
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c->nid=anNIDs[nBlockLength][nKeyLength];
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c->block_size=anSizes[nBlockLength];
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c->key_len=anSizes[nKeyLength];
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c->iv_len=16;
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c->flags=EVP_CIPH_ECB_MODE;
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c->init=rd_init_ecb;
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c->do_cipher=rd_cipher_ecb;
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c->ctx_size=sizeof(EVP_CIPHER_CTX)-sizeof((((EVP_CIPHER_CTX *)NULL)->c))+
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sizeof((((EVP_CIPHER_CTX *)NULL)->c.rijndael));
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return c;
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}
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