EVP_CIPHER_CTX_copy   30 ext/openssl/openssl_missing.h int EVP_CIPHER_CTX_copy(EVP_CIPHER_CTX *out, const EVP_CIPHER_CTX *in);
EVP_CIPHER_CTX_copy  146 ext/openssl/ossl_cipher.c     if (EVP_CIPHER_CTX_copy(ctx1, ctx2) != 1)