diff options
Diffstat (limited to 'main/openssl/crypto/evp/e_aes_cbc_hmac_sha1.c')
m--------- | main/openssl | 0 | ||||
-rw-r--r-- | main/openssl/crypto/evp/e_aes_cbc_hmac_sha1.c | 581 |
2 files changed, 0 insertions, 581 deletions
diff --git a/main/openssl b/main/openssl new file mode 160000 +Subproject 4d377a9ce111930d8a8f06dc0e94a892a7f6c51 diff --git a/main/openssl/crypto/evp/e_aes_cbc_hmac_sha1.c b/main/openssl/crypto/evp/e_aes_cbc_hmac_sha1.c deleted file mode 100644 index fb2c884a..00000000 --- a/main/openssl/crypto/evp/e_aes_cbc_hmac_sha1.c +++ /dev/null @@ -1,581 +0,0 @@ -/* ==================================================================== - * Copyright (c) 2011-2013 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. - * ==================================================================== - */ - -#include <openssl/opensslconf.h> - -#include <stdio.h> -#include <string.h> - -#if !defined(OPENSSL_NO_AES) && !defined(OPENSSL_NO_SHA1) - -#include <openssl/evp.h> -#include <openssl/objects.h> -#include <openssl/aes.h> -#include <openssl/sha.h> -#include "evp_locl.h" - -#ifndef EVP_CIPH_FLAG_AEAD_CIPHER -#define EVP_CIPH_FLAG_AEAD_CIPHER 0x200000 -#define EVP_CTRL_AEAD_TLS1_AAD 0x16 -#define EVP_CTRL_AEAD_SET_MAC_KEY 0x17 -#endif - -#if !defined(EVP_CIPH_FLAG_DEFAULT_ASN1) -#define EVP_CIPH_FLAG_DEFAULT_ASN1 0 -#endif - -#define TLS1_1_VERSION 0x0302 - -typedef struct - { - AES_KEY ks; - SHA_CTX head,tail,md; - size_t payload_length; /* AAD length in decrypt case */ - union { - unsigned int tls_ver; - unsigned char tls_aad[16]; /* 13 used */ - } aux; - } EVP_AES_HMAC_SHA1; - -#define NO_PAYLOAD_LENGTH ((size_t)-1) - -#if defined(AES_ASM) && ( \ - defined(__x86_64) || defined(__x86_64__) || \ - defined(_M_AMD64) || defined(_M_X64) || \ - defined(__INTEL__) ) - -#if defined(__GNUC__) && __GNUC__>=2 && !defined(PEDANTIC) -# define BSWAP(x) ({ unsigned int r=(x); asm ("bswapl %0":"=r"(r):"0"(r)); r; }) -#endif - -extern unsigned int OPENSSL_ia32cap_P[2]; -#define AESNI_CAPABLE (1<<(57-32)) - -int aesni_set_encrypt_key(const unsigned char *userKey, int bits, - AES_KEY *key); -int aesni_set_decrypt_key(const unsigned char *userKey, int bits, - AES_KEY *key); - -void aesni_cbc_encrypt(const unsigned char *in, - unsigned char *out, - size_t length, - const AES_KEY *key, - unsigned char *ivec, int enc); - -void aesni_cbc_sha1_enc (const void *inp, void *out, size_t blocks, - const AES_KEY *key, unsigned char iv[16], - SHA_CTX *ctx,const void *in0); - -#define data(ctx) ((EVP_AES_HMAC_SHA1 *)(ctx)->cipher_data) - -static int aesni_cbc_hmac_sha1_init_key(EVP_CIPHER_CTX *ctx, - const unsigned char *inkey, - const unsigned char *iv, int enc) - { - EVP_AES_HMAC_SHA1 *key = data(ctx); - int ret; - - if (enc) - ret=aesni_set_encrypt_key(inkey,ctx->key_len*8,&key->ks); - else - ret=aesni_set_decrypt_key(inkey,ctx->key_len*8,&key->ks); - - SHA1_Init(&key->head); /* handy when benchmarking */ - key->tail = key->head; - key->md = key->head; - - key->payload_length = NO_PAYLOAD_LENGTH; - - return ret<0?0:1; - } - -#define STITCHED_CALL - -#if !defined(STITCHED_CALL) -#define aes_off 0 -#endif - -void sha1_block_data_order (void *c,const void *p,size_t len); - -static void sha1_update(SHA_CTX *c,const void *data,size_t len) -{ const unsigned char *ptr = data; - size_t res; - - if ((res = c->num)) { - res = SHA_CBLOCK-res; - if (len<res) res=len; - SHA1_Update (c,ptr,res); - ptr += res; - len -= res; - } - - res = len % SHA_CBLOCK; - len -= res; - - if (len) { - sha1_block_data_order(c,ptr,len/SHA_CBLOCK); - - ptr += len; - c->Nh += len>>29; - c->Nl += len<<=3; - if (c->Nl<(unsigned int)len) c->Nh++; - } - - if (res) - SHA1_Update(c,ptr,res); -} - -#ifdef SHA1_Update -#undef SHA1_Update -#endif -#define SHA1_Update sha1_update - -static int aesni_cbc_hmac_sha1_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, - const unsigned char *in, size_t len) - { - EVP_AES_HMAC_SHA1 *key = data(ctx); - unsigned int l; - size_t plen = key->payload_length, - iv = 0, /* explicit IV in TLS 1.1 and later */ - sha_off = 0; -#if defined(STITCHED_CALL) - size_t aes_off = 0, - blocks; - - sha_off = SHA_CBLOCK-key->md.num; -#endif - - key->payload_length = NO_PAYLOAD_LENGTH; - - if (len%AES_BLOCK_SIZE) return 0; - - if (ctx->encrypt) { - if (plen==NO_PAYLOAD_LENGTH) - plen = len; - else if (len!=((plen+SHA_DIGEST_LENGTH+AES_BLOCK_SIZE)&-AES_BLOCK_SIZE)) - return 0; - else if (key->aux.tls_ver >= TLS1_1_VERSION) - iv = AES_BLOCK_SIZE; - -#if defined(STITCHED_CALL) - if (plen>(sha_off+iv) && (blocks=(plen-(sha_off+iv))/SHA_CBLOCK)) { - SHA1_Update(&key->md,in+iv,sha_off); - - aesni_cbc_sha1_enc(in,out,blocks,&key->ks, - ctx->iv,&key->md,in+iv+sha_off); - blocks *= SHA_CBLOCK; - aes_off += blocks; - sha_off += blocks; - key->md.Nh += blocks>>29; - key->md.Nl += blocks<<=3; - if (key->md.Nl<(unsigned int)blocks) key->md.Nh++; - } else { - sha_off = 0; - } -#endif - sha_off += iv; - SHA1_Update(&key->md,in+sha_off,plen-sha_off); - - if (plen!=len) { /* "TLS" mode of operation */ - if (in!=out) - memcpy(out+aes_off,in+aes_off,plen-aes_off); - - /* calculate HMAC and append it to payload */ - SHA1_Final(out+plen,&key->md); - key->md = key->tail; - SHA1_Update(&key->md,out+plen,SHA_DIGEST_LENGTH); - SHA1_Final(out+plen,&key->md); - - /* pad the payload|hmac */ - plen += SHA_DIGEST_LENGTH; - for (l=len-plen-1;plen<len;plen++) out[plen]=l; - /* encrypt HMAC|padding at once */ - aesni_cbc_encrypt(out+aes_off,out+aes_off,len-aes_off, - &key->ks,ctx->iv,1); - } else { - aesni_cbc_encrypt(in+aes_off,out+aes_off,len-aes_off, - &key->ks,ctx->iv,1); - } - } else { - union { unsigned int u[SHA_DIGEST_LENGTH/sizeof(unsigned int)]; - unsigned char c[32+SHA_DIGEST_LENGTH]; } mac, *pmac; - - /* arrange cache line alignment */ - pmac = (void *)(((size_t)mac.c+31)&((size_t)0-32)); - - /* decrypt HMAC|padding at once */ - aesni_cbc_encrypt(in,out,len, - &key->ks,ctx->iv,0); - - if (plen) { /* "TLS" mode of operation */ - size_t inp_len, mask, j, i; - unsigned int res, maxpad, pad, bitlen; - int ret = 1; - union { unsigned int u[SHA_LBLOCK]; - unsigned char c[SHA_CBLOCK]; } - *data = (void *)key->md.data; - - if ((key->aux.tls_aad[plen-4]<<8|key->aux.tls_aad[plen-3]) - >= TLS1_1_VERSION) - iv = AES_BLOCK_SIZE; - - if (len<(iv+SHA_DIGEST_LENGTH+1)) - return 0; - - /* omit explicit iv */ - out += iv; - len -= iv; - - /* figure out payload length */ - pad = out[len-1]; - maxpad = len-(SHA_DIGEST_LENGTH+1); - maxpad |= (255-maxpad)>>(sizeof(maxpad)*8-8); - maxpad &= 255; - - inp_len = len - (SHA_DIGEST_LENGTH+pad+1); - mask = (0-((inp_len-len)>>(sizeof(inp_len)*8-1))); - inp_len &= mask; - ret &= (int)mask; - - key->aux.tls_aad[plen-2] = inp_len>>8; - key->aux.tls_aad[plen-1] = inp_len; - - /* calculate HMAC */ - key->md = key->head; - SHA1_Update(&key->md,key->aux.tls_aad,plen); - -#if 1 - len -= SHA_DIGEST_LENGTH; /* amend mac */ - if (len>=(256+SHA_CBLOCK)) { - j = (len-(256+SHA_CBLOCK))&(0-SHA_CBLOCK); - j += SHA_CBLOCK-key->md.num; - SHA1_Update(&key->md,out,j); - out += j; - len -= j; - inp_len -= j; - } - - /* but pretend as if we hashed padded payload */ - bitlen = key->md.Nl+(inp_len<<3); /* at most 18 bits */ -#ifdef BSWAP - bitlen = BSWAP(bitlen); -#else - mac.c[0] = 0; - mac.c[1] = (unsigned char)(bitlen>>16); - mac.c[2] = (unsigned char)(bitlen>>8); - mac.c[3] = (unsigned char)bitlen; - bitlen = mac.u[0]; -#endif - - pmac->u[0]=0; - pmac->u[1]=0; - pmac->u[2]=0; - pmac->u[3]=0; - pmac->u[4]=0; - - for (res=key->md.num, j=0;j<len;j++) { - size_t c = out[j]; - mask = (j-inp_len)>>(sizeof(j)*8-8); - c &= mask; - c |= 0x80&~mask&~((inp_len-j)>>(sizeof(j)*8-8)); - data->c[res++]=(unsigned char)c; - - if (res!=SHA_CBLOCK) continue; - - /* j is not incremented yet */ - mask = 0-((inp_len+7-j)>>(sizeof(j)*8-1)); - data->u[SHA_LBLOCK-1] |= bitlen&mask; - sha1_block_data_order(&key->md,data,1); - mask &= 0-((j-inp_len-72)>>(sizeof(j)*8-1)); - pmac->u[0] |= key->md.h0 & mask; - pmac->u[1] |= key->md.h1 & mask; - pmac->u[2] |= key->md.h2 & mask; - pmac->u[3] |= key->md.h3 & mask; - pmac->u[4] |= key->md.h4 & mask; - res=0; - } - - for(i=res;i<SHA_CBLOCK;i++,j++) data->c[i]=0; - - if (res>SHA_CBLOCK-8) { - mask = 0-((inp_len+8-j)>>(sizeof(j)*8-1)); - data->u[SHA_LBLOCK-1] |= bitlen&mask; - sha1_block_data_order(&key->md,data,1); - mask &= 0-((j-inp_len-73)>>(sizeof(j)*8-1)); - pmac->u[0] |= key->md.h0 & mask; - pmac->u[1] |= key->md.h1 & mask; - pmac->u[2] |= key->md.h2 & mask; - pmac->u[3] |= key->md.h3 & mask; - pmac->u[4] |= key->md.h4 & mask; - - memset(data,0,SHA_CBLOCK); - j+=64; - } - data->u[SHA_LBLOCK-1] = bitlen; - sha1_block_data_order(&key->md,data,1); - mask = 0-((j-inp_len-73)>>(sizeof(j)*8-1)); - pmac->u[0] |= key->md.h0 & mask; - pmac->u[1] |= key->md.h1 & mask; - pmac->u[2] |= key->md.h2 & mask; - pmac->u[3] |= key->md.h3 & mask; - pmac->u[4] |= key->md.h4 & mask; - -#ifdef BSWAP - pmac->u[0] = BSWAP(pmac->u[0]); - pmac->u[1] = BSWAP(pmac->u[1]); - pmac->u[2] = BSWAP(pmac->u[2]); - pmac->u[3] = BSWAP(pmac->u[3]); - pmac->u[4] = BSWAP(pmac->u[4]); -#else - for (i=0;i<5;i++) { - res = pmac->u[i]; - pmac->c[4*i+0]=(unsigned char)(res>>24); - pmac->c[4*i+1]=(unsigned char)(res>>16); - pmac->c[4*i+2]=(unsigned char)(res>>8); - pmac->c[4*i+3]=(unsigned char)res; - } -#endif - len += SHA_DIGEST_LENGTH; -#else - SHA1_Update(&key->md,out,inp_len); - res = key->md.num; - SHA1_Final(pmac->c,&key->md); - - { - unsigned int inp_blocks, pad_blocks; - - /* but pretend as if we hashed padded payload */ - inp_blocks = 1+((SHA_CBLOCK-9-res)>>(sizeof(res)*8-1)); - res += (unsigned int)(len-inp_len); - pad_blocks = res / SHA_CBLOCK; - res %= SHA_CBLOCK; - pad_blocks += 1+((SHA_CBLOCK-9-res)>>(sizeof(res)*8-1)); - for (;inp_blocks<pad_blocks;inp_blocks++) - sha1_block_data_order(&key->md,data,1); - } -#endif - key->md = key->tail; - SHA1_Update(&key->md,pmac->c,SHA_DIGEST_LENGTH); - SHA1_Final(pmac->c,&key->md); - - /* verify HMAC */ - out += inp_len; - len -= inp_len; -#if 1 - { - unsigned char *p = out+len-1-maxpad-SHA_DIGEST_LENGTH; - size_t off = out-p; - unsigned int c, cmask; - - maxpad += SHA_DIGEST_LENGTH; - for (res=0,i=0,j=0;j<maxpad;j++) { - c = p[j]; - cmask = ((int)(j-off-SHA_DIGEST_LENGTH))>>(sizeof(int)*8-1); - res |= (c^pad)&~cmask; /* ... and padding */ - cmask &= ((int)(off-1-j))>>(sizeof(int)*8-1); - res |= (c^pmac->c[i])&cmask; - i += 1&cmask; - } - maxpad -= SHA_DIGEST_LENGTH; - - res = 0-((0-res)>>(sizeof(res)*8-1)); - ret &= (int)~res; - } -#else - for (res=0,i=0;i<SHA_DIGEST_LENGTH;i++) - res |= out[i]^pmac->c[i]; - res = 0-((0-res)>>(sizeof(res)*8-1)); - ret &= (int)~res; - - /* verify padding */ - pad = (pad&~res) | (maxpad&res); - out = out+len-1-pad; - for (res=0,i=0;i<pad;i++) - res |= out[i]^pad; - - res = (0-res)>>(sizeof(res)*8-1); - ret &= (int)~res; -#endif - return ret; - } else { - SHA1_Update(&key->md,out,len); - } - } - - return 1; - } - -static int aesni_cbc_hmac_sha1_ctrl(EVP_CIPHER_CTX *ctx, int type, int arg, void *ptr) - { - EVP_AES_HMAC_SHA1 *key = data(ctx); - - switch (type) - { - case EVP_CTRL_AEAD_SET_MAC_KEY: - { - unsigned int i; - unsigned char hmac_key[64]; - - memset (hmac_key,0,sizeof(hmac_key)); - - if (arg > (int)sizeof(hmac_key)) { - SHA1_Init(&key->head); - SHA1_Update(&key->head,ptr,arg); - SHA1_Final(hmac_key,&key->head); - } else { - memcpy(hmac_key,ptr,arg); - } - - for (i=0;i<sizeof(hmac_key);i++) - hmac_key[i] ^= 0x36; /* ipad */ - SHA1_Init(&key->head); - SHA1_Update(&key->head,hmac_key,sizeof(hmac_key)); - - for (i=0;i<sizeof(hmac_key);i++) - hmac_key[i] ^= 0x36^0x5c; /* opad */ - SHA1_Init(&key->tail); - SHA1_Update(&key->tail,hmac_key,sizeof(hmac_key)); - - OPENSSL_cleanse(hmac_key,sizeof(hmac_key)); - - return 1; - } - case EVP_CTRL_AEAD_TLS1_AAD: - { - unsigned char *p=ptr; - unsigned int len=p[arg-2]<<8|p[arg-1]; - - if (ctx->encrypt) - { - key->payload_length = len; - if ((key->aux.tls_ver=p[arg-4]<<8|p[arg-3]) >= TLS1_1_VERSION) { - len -= AES_BLOCK_SIZE; - p[arg-2] = len>>8; - p[arg-1] = len; - } - key->md = key->head; - SHA1_Update(&key->md,p,arg); - - return (int)(((len+SHA_DIGEST_LENGTH+AES_BLOCK_SIZE)&-AES_BLOCK_SIZE) - - len); - } - else - { - if (arg>13) arg = 13; - memcpy(key->aux.tls_aad,ptr,arg); - key->payload_length = arg; - - return SHA_DIGEST_LENGTH; - } - } - default: - return -1; - } - } - -static EVP_CIPHER aesni_128_cbc_hmac_sha1_cipher = - { -#ifdef NID_aes_128_cbc_hmac_sha1 - NID_aes_128_cbc_hmac_sha1, -#else - NID_undef, -#endif - 16,16,16, - EVP_CIPH_CBC_MODE|EVP_CIPH_FLAG_DEFAULT_ASN1|EVP_CIPH_FLAG_AEAD_CIPHER, - aesni_cbc_hmac_sha1_init_key, - aesni_cbc_hmac_sha1_cipher, - NULL, - sizeof(EVP_AES_HMAC_SHA1), - EVP_CIPH_FLAG_DEFAULT_ASN1?NULL:EVP_CIPHER_set_asn1_iv, - EVP_CIPH_FLAG_DEFAULT_ASN1?NULL:EVP_CIPHER_get_asn1_iv, - aesni_cbc_hmac_sha1_ctrl, - NULL - }; - -static EVP_CIPHER aesni_256_cbc_hmac_sha1_cipher = - { -#ifdef NID_aes_256_cbc_hmac_sha1 - NID_aes_256_cbc_hmac_sha1, -#else - NID_undef, -#endif - 16,32,16, - EVP_CIPH_CBC_MODE|EVP_CIPH_FLAG_DEFAULT_ASN1|EVP_CIPH_FLAG_AEAD_CIPHER, - aesni_cbc_hmac_sha1_init_key, - aesni_cbc_hmac_sha1_cipher, - NULL, - sizeof(EVP_AES_HMAC_SHA1), - EVP_CIPH_FLAG_DEFAULT_ASN1?NULL:EVP_CIPHER_set_asn1_iv, - EVP_CIPH_FLAG_DEFAULT_ASN1?NULL:EVP_CIPHER_get_asn1_iv, - aesni_cbc_hmac_sha1_ctrl, - NULL - }; - -const EVP_CIPHER *EVP_aes_128_cbc_hmac_sha1(void) - { - return(OPENSSL_ia32cap_P[1]&AESNI_CAPABLE? - &aesni_128_cbc_hmac_sha1_cipher:NULL); - } - -const EVP_CIPHER *EVP_aes_256_cbc_hmac_sha1(void) - { - return(OPENSSL_ia32cap_P[1]&AESNI_CAPABLE? - &aesni_256_cbc_hmac_sha1_cipher:NULL); - } -#else -const EVP_CIPHER *EVP_aes_128_cbc_hmac_sha1(void) - { - return NULL; - } -const EVP_CIPHER *EVP_aes_256_cbc_hmac_sha1(void) - { - return NULL; - } -#endif -#endif |