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For CFB and OFB modes, always create the encryption key.

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This commit is contained in:
Richard Levitte 2002-05-31 13:11:48 +00:00
parent 7f52f77efe
commit f918c330a9
1 changed files with 3 additions and 1 deletions
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4
crypto/evp/e_aes.c
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@ -88,7 +88,9 @@ IMPLEMENT_BLOCK_CIPHER(aes_256, ks, AES, EVP_AES_KEY,
static int aes_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
const unsigned char *iv, int enc) {
if (enc)
if ((ctx->cipher->flags & EVP_CIPH_MODE) == EVP_CIPH_CFB_MODE
|| (ctx->cipher->flags & EVP_CIPH_MODE) == EVP_CIPH_OFB_MODE
|| enc)
AES_set_encrypt_key(key, ctx->key_len * 8, ctx->cipher_data);
else
AES_set_decrypt_key(key, ctx->key_len * 8, ctx->cipher_data);