authenticated?()
Indicated whether this Cipher instance uses an Authenticated Encryption mode.
static VALUE ossl_cipher_is_authenticated(VALUE self) { EVP_CIPHER_CTX *ctx; GetCipher(self, ctx); return (EVP_CIPHER_flags(EVP_CIPHER_CTX_cipher(ctx)) & EVP_CIPH_FLAG_AEAD_CIPHER) ? Qtrue : Qfalse; }