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

diff --git a/crypto/evp/e_aes.c b/crypto/evp/e_aes.c
index 9d03a9602fddca0de33784f572682360cde0a920..c323fa28922616463d91295bd32500eb5a3487f6 100644 (file)
--- a/crypto/evp/e_aes.c
+++ b/crypto/evp/e_aes.c
@@ -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);