class Crypto::Poly1305::Native

Overview

Poly1305 message authentication code (pure Crystal BigInt implementation).

Defined in:

crypto/poly1305/native.cr

Constructors

Class Method Summary

Instance Method Summary

Instance methods inherited from class Crypto::Poly1305::MAC

final : Bytes final, key : Bytes key, update(msg : Bytes) update

Constructor Detail

def self.chacha20(key : Bytes, nonce : Bytes) : self #

Generating the Poly1305 Key Using ChaCha20


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def self.chacha20(cipher : ChaCha20::Cipher) : self #

Generating the Poly1305 Key Using ChaCha20


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def self.new(key : Bytes) #

Initializes the Poly1305 context with a given 32-byte key. The key should be used only once per message and then discarded.


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def self.new(key : String) #

Initializes the Poly1305 context with a given 32-byte hex-encoded key. The key should be used only once per message and then discarded.


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Class Method Detail

def self.auth(key : Bytes, message : Bytes) : Bytes #

A convenience method to compute a Poly1305 MAC for a single message.


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Instance Method Detail

def final : Bytes #

Finalizes the MAC computation and returns the 16-byte authenticator.


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def key : Bytes #

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def update(msg : Bytes) #

Processes a message fragment, msg bytes should be 16 bytes alligned if different size is used the final block is assumed, further calculations would be incorrect


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