NewSignature create new instance of signature object.

OpenSSLDecrypt string that was encrypted using OpenSSL and AES-256-CBC.

PseudoRandomGenerator using multple algorithms.

VerifyAuthAPI verify the request body and the signature of the request message, checking include request type checking, and the validity of the signature to the owner address return nil if valid, and Blocker object otherwise.

Rng encapsulates a splitmix64 PRNG.

Rng128P encapsulates a xoroshiro128+ PRNG.

Rng128SS encapsulates a xoroshiro128** PRNG.