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Add KDF.xchacha20poly1305_ietf

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Didactic Drunk 2021-03-23 15:52:15 -07:00
parent 0187d06e96
commit 1bb746c888
1 changed files with 8 additions and 0 deletions
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src/sodium/kdf.cr
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@ -91,6 +91,14 @@ module Sodium
Sign::SecretKey.new seed: subkey
end
# Convenience method to create a new CryptoBox::Aead::XChaCha20Poly1305Ietf without handling the key.
#
# See derive() for further information on context and subkey_id.
def derive_aead_xchacha20poly1305_ietf(context, subkey_id) : Cipher::Aead::XChaCha20Poly1305Ietf
subkey = derive context, subkey_id, Cipher::Aead::XChaCha20Poly1305Ietf::KEY_SIZE
Cipher::Aead::XChaCha20Poly1305Ietf.new subkey
end
# Convenience method to create a new SecretBox without handling the key.
#
# See derive() for further information on context and subkey_id.