{
unsigned char key[EVP_MAX_KEY_LENGTH];
int i;
+ int rv = 0;
if (type) {
EVP_CIPHER_CTX_reset(ctx);
return 1;
if (EVP_CIPHER_CTX_rand_key(ctx, key) <= 0)
return 0;
+
if (EVP_CIPHER_CTX_iv_length(ctx)
- && RAND_bytes(iv, EVP_CIPHER_CTX_iv_length(ctx)) <= 0)
- return 0;
+ && RAND_bytes(iv, EVP_CIPHER_CTX_iv_length(ctx)) <= 0)
+ goto err;
if (!EVP_EncryptInit_ex(ctx, NULL, NULL, key, iv))
- return 0;
+ goto err;
for (i = 0; i < npubk; i++) {
ekl[i] =
EVP_PKEY_encrypt_old(ek[i], key, EVP_CIPHER_CTX_key_length(ctx),
pubk[i]);
- if (ekl[i] <= 0)
- return -1;
+ if (ekl[i] <= 0) {
+ rv = -1;
+ goto err;
+ }
}
- return npubk;
+ rv = npubk;
+err:
+ OPENSSL_cleanse(key, sizeof(key));
+ return rv;
}
int EVP_SealFinal(EVP_CIPHER_CTX *ctx, unsigned char *out, int *outl)