#ifndef OPENSSL_NO_ENGINE
skip_to_init:
#endif
+ if (ctx->cipher == NULL)
+ return 0;
+
/* we assume block size is a power of 2 in *cryptUpdate */
OPENSSL_assert(ctx->cipher->block_size == 1
|| ctx->cipher->block_size == 8
return 0;
}
- if (ctx->cipher == NULL || ctx->cipher->prov == NULL)
+ if (ctx->cipher == NULL) {
+ EVPerr(EVP_F_EVP_DECRYPTUPDATE, EVP_R_NO_CIPHER_SET);
+ return 0;
+ }
+ if (ctx->cipher->prov == NULL)
goto legacy;
blocksize = EVP_CIPHER_CTX_block_size(ctx);
legacy:
*outl = 0;
+ if (ctx->cipher == NULL) {
+ EVPerr(EVP_F_EVP_DECRYPTFINAL_EX, EVP_R_NO_CIPHER_SET);
+ return 0;
+ }
if (ctx->cipher->flags & EVP_CIPH_FLAG_CUSTOM_CIPHER) {
i = ctx->cipher->do_cipher(ctx, out, NULL, 0);
int EVP_CIPHER_CTX_rand_key(EVP_CIPHER_CTX *ctx, unsigned char *key)
{
+ int kl;
if (ctx->cipher->flags & EVP_CIPH_RAND_KEY)
return EVP_CIPHER_CTX_ctrl(ctx, EVP_CTRL_RAND_KEY, 0, key);
- if (RAND_priv_bytes(key, EVP_CIPHER_CTX_key_length(ctx)) <= 0)
+ kl = EVP_CIPHER_CTX_key_length(ctx);
+ if (kl <= 0 || RAND_priv_bytes(key, kl) <= 0)
return 0;
return 1;
}