Gost2814789_decrypt
Gost2814789_decrypt(in, out, key);
Gost2814789_decrypt(wrappedKey + 8 + 0, sessionKey + 0, &ctx);
Gost2814789_decrypt(wrappedKey + 8 + 8, sessionKey + 8, &ctx);
Gost2814789_decrypt(wrappedKey + 8 + 16, sessionKey + 16, &ctx);
Gost2814789_decrypt(wrappedKey + 8 + 24, sessionKey + 24, &ctx);
Gost2814789_decrypt(CryptoProKeyMeshingKey + 0, newkey + 0, key);
Gost2814789_decrypt(CryptoProKeyMeshingKey + 8, newkey + 8, key);
Gost2814789_decrypt(CryptoProKeyMeshingKey + 16, newkey + 16, key);
Gost2814789_decrypt(CryptoProKeyMeshingKey + 24, newkey + 24, key);
extern void Gost2814789_decrypt(const unsigned char *in, unsigned char *out,