EVP_CIPHER_CTX_cipher
if (EVP_CIPHER_CTX_cipher(ctx->cipher_ctx) == NULL)
kekcipher = EVP_CIPHER_CTX_cipher(ctx);
const EVP_CIPHER * EVP_CIPHER_CTX_cipher(const EVP_CIPHER_CTX *ctx);
#define EVP_CIPHER_CTX_type(c) EVP_CIPHER_type(EVP_CIPHER_CTX_cipher(c))
LCRYPTO_ALIAS(EVP_CIPHER_CTX_cipher);
if (EVP_CIPHER_CTX_cipher(ctx) == NULL) {
LCRYPTO_USED(EVP_CIPHER_CTX_cipher);