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author | Jung-uk Kim <jkim@FreeBSD.org> | 2012-07-11 23:31:36 +0000 |
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committer | Jung-uk Kim <jkim@FreeBSD.org> | 2012-07-11 23:31:36 +0000 |
commit | 0758ab5ea778e4ba36d2150af1bba602a48d6467 (patch) | |
tree | 0c30591ac90cb5e07a0763793709fd1056b67f57 /crypto/aes/aes_cbc.c | |
parent | 2b8b5455829304396e38200c205612c4dc57c052 (diff) | |
download | src-0758ab5ea778e4ba36d2150af1bba602a48d6467.tar.gz src-0758ab5ea778e4ba36d2150af1bba602a48d6467.zip |
Import OpenSSL 1.0.1c.vendor/openssl/1.0.1c
Approved by: benl (maintainer)
Notes
Notes:
svn path=/vendor-crypto/openssl/dist/; revision=238384
svn path=/vendor-crypto/openssl/1.0.1c/; revision=238385; tag=vendor/openssl/1.0.1c
Diffstat (limited to 'crypto/aes/aes_cbc.c')
-rw-r--r-- | crypto/aes/aes_cbc.c | 82 |
1 files changed, 6 insertions, 76 deletions
diff --git a/crypto/aes/aes_cbc.c b/crypto/aes/aes_cbc.c index 373864cd4bdb..227f75625dba 100644 --- a/crypto/aes/aes_cbc.c +++ b/crypto/aes/aes_cbc.c @@ -49,85 +49,15 @@ * */ -#ifndef AES_DEBUG -# ifndef NDEBUG -# define NDEBUG -# endif -#endif -#include <assert.h> - #include <openssl/aes.h> -#include "aes_locl.h" +#include <openssl/modes.h> -#if !defined(OPENSSL_FIPS_AES_ASM) void AES_cbc_encrypt(const unsigned char *in, unsigned char *out, - const unsigned long length, const AES_KEY *key, + size_t len, const AES_KEY *key, unsigned char *ivec, const int enc) { - unsigned long n; - unsigned long len = length; - unsigned char tmp[AES_BLOCK_SIZE]; - const unsigned char *iv = ivec; - - assert(in && out && key && ivec); - assert((AES_ENCRYPT == enc)||(AES_DECRYPT == enc)); - - if (AES_ENCRYPT == enc) { - while (len >= AES_BLOCK_SIZE) { - for(n=0; n < AES_BLOCK_SIZE; ++n) - out[n] = in[n] ^ iv[n]; - AES_encrypt(out, out, key); - iv = out; - len -= AES_BLOCK_SIZE; - in += AES_BLOCK_SIZE; - out += AES_BLOCK_SIZE; - } - if (len) { - for(n=0; n < len; ++n) - out[n] = in[n] ^ iv[n]; - for(n=len; n < AES_BLOCK_SIZE; ++n) - out[n] = iv[n]; - AES_encrypt(out, out, key); - iv = out; - } - memcpy(ivec,iv,AES_BLOCK_SIZE); - } else if (in != out) { - while (len >= AES_BLOCK_SIZE) { - AES_decrypt(in, out, key); - for(n=0; n < AES_BLOCK_SIZE; ++n) - out[n] ^= iv[n]; - iv = in; - len -= AES_BLOCK_SIZE; - in += AES_BLOCK_SIZE; - out += AES_BLOCK_SIZE; - } - if (len) { - AES_decrypt(in,tmp,key); - for(n=0; n < len; ++n) - out[n] = tmp[n] ^ iv[n]; - iv = in; - } - memcpy(ivec,iv,AES_BLOCK_SIZE); - } else { - while (len >= AES_BLOCK_SIZE) { - memcpy(tmp, in, AES_BLOCK_SIZE); - AES_decrypt(in, out, key); - for(n=0; n < AES_BLOCK_SIZE; ++n) - out[n] ^= ivec[n]; - memcpy(ivec, tmp, AES_BLOCK_SIZE); - len -= AES_BLOCK_SIZE; - in += AES_BLOCK_SIZE; - out += AES_BLOCK_SIZE; - } - if (len) { - memcpy(tmp, in, AES_BLOCK_SIZE); - AES_decrypt(tmp, out, key); - for(n=0; n < len; ++n) - out[n] ^= ivec[n]; - for(n=len; n < AES_BLOCK_SIZE; ++n) - out[n] = tmp[n]; - memcpy(ivec, tmp, AES_BLOCK_SIZE); - } - } + if (enc) + CRYPTO_cbc128_encrypt(in,out,len,key,ivec,(block128_f)AES_encrypt); + else + CRYPTO_cbc128_decrypt(in,out,len,key,ivec,(block128_f)AES_decrypt); } -#endif |