EVP_CIPHER_CTX_rand_key
if (EVP_CIPHER_CTX_rand_key(ctx, tkey) <= 0)
int EVP_CIPHER_CTX_rand_key(EVP_CIPHER_CTX *ctx, unsigned char *key);
LCRYPTO_ALIAS(EVP_CIPHER_CTX_rand_key);
if (EVP_CIPHER_CTX_rand_key(ctx, key) <= 0)
LCRYPTO_USED(EVP_CIPHER_CTX_rand_key);
if (EVP_CIPHER_CTX_rand_key(ctx, key) <= 0)
if (EVP_CIPHER_CTX_rand_key(evp_ctx, tkey) <= 0)