class Sodium::Sign::SecretKey

• Sodium::Sign::SecretKey
• Sodium::Key
• Reference
• Object

Overview

Ed25519 secret key used for signing.

https://libsodium.gitbook.io/doc/public-key_cryptography/public-key_signatures

Usage:

key = Sodium::Sign::SecretKey.new
sig = key.sign_detached data
key.public_key.verify_detached data, sig

Defined in:

sodium/sign/secret_key.cr

Constant Summary

KEY_SIZE = LibSodium.crypto_sign_secretkeybytes.to_i

SEED_SIZE = LibSodium.crypto_sign_seedbytes.to_i

SIG_SIZE = LibSodium.crypto_sign_bytes.to_i

Constructors

• .new(bytes : Bytes, pkey : Bytes? = nil, *, erase = false)

  Use existing secret and public keys.

• .new

  Generates a new random secret/public key pair.

• .new(*, seed : Bytes, erase = false)

  Derive a new secret/public key pair based on a consistent seed.

• .new(*, seed : SecureBuffer)

  Derive a new secret/public key pair based on a consistent seed.

Instance Method Summary

• #public_key : PublicKey
• #seed : SecureBuffer?
• #sign_detached(message : Bytes)
• #sign_detached(message)

  Signs message and returns a detached signature.

• #to_curve25519 : CryptoBox::SecretKey
• #to_slice : Bytes

  Returns key

Constructor Detail

Instance Method Detail