From 4eebab0d2226c1fad5dd7c4ce5f760cab2aa3a24 Mon Sep 17 00:00:00 2001 From: Richard Levitte Date: Tue, 10 Jun 2003 04:11:46 +0000 Subject: [PATCH] The output from AES_cbc_encrypt() should be exact multiple blocks when encrypting --- crypto/aes/aes_cbc.c | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-) diff --git a/crypto/aes/aes_cbc.c b/crypto/aes/aes_cbc.c index de438306b1..86b27b10d6 100644 --- a/crypto/aes/aes_cbc.c +++ b/crypto/aes/aes_cbc.c @@ -72,7 +72,7 @@ void AES_cbc_encrypt(const unsigned char *in, unsigned char *out, if (AES_ENCRYPT == enc) { while (len >= AES_BLOCK_SIZE) { - for(n=0; n < sizeof tmp; ++n) + for(n=0; n < AES_BLOCK_SIZE; ++n) tmp[n] = in[n] ^ ivec[n]; AES_encrypt(tmp, out, key); memcpy(ivec, out, AES_BLOCK_SIZE); @@ -86,12 +86,12 @@ void AES_cbc_encrypt(const unsigned char *in, unsigned char *out, for(n=len; n < AES_BLOCK_SIZE; ++n) tmp[n] = ivec[n]; AES_encrypt(tmp, tmp, key); - memcpy(out, tmp, len); - memcpy(ivec, tmp, sizeof tmp); + memcpy(out, tmp, AES_BLOCK_SIZE); + memcpy(ivec, tmp, AES_BLOCK_SIZE); } } else { while (len >= AES_BLOCK_SIZE) { - memcpy(tmp, in, sizeof tmp); + memcpy(tmp, in, AES_BLOCK_SIZE); AES_decrypt(in, out, key); for(n=0; n < AES_BLOCK_SIZE; ++n) out[n] ^= ivec[n]; @@ -101,11 +101,11 @@ void AES_cbc_encrypt(const unsigned char *in, unsigned char *out, out += AES_BLOCK_SIZE; } if (len) { - memcpy(tmp, in, sizeof tmp); + memcpy(tmp, in, AES_BLOCK_SIZE); AES_decrypt(tmp, tmp, key); for(n=0; n < len; ++n) out[n] ^= ivec[n]; - memcpy(ivec, tmp, sizeof tmp); + memcpy(ivec, tmp, AES_BLOCK_SIZE); } } } -- 2.25.1