21 lines
573 B
Go
21 lines
573 B
Go
package snell
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import (
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"crypto/cipher"
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"golang.org/x/crypto/argon2"
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)
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type snellCipher struct {
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psk []byte
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makeAEAD func(key []byte) (cipher.AEAD, error)
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}
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func (sc *snellCipher) KeySize() int { return 32 }
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func (sc *snellCipher) SaltSize() int { return 16 }
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func (sc *snellCipher) Encrypter(salt []byte) (cipher.AEAD, error) {
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return sc.makeAEAD(argon2.IDKey(sc.psk, salt, 3, 8, 1, uint32(sc.KeySize())))
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}
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func (sc *snellCipher) Decrypter(salt []byte) (cipher.AEAD, error) {
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return sc.makeAEAD(argon2.IDKey(sc.psk, salt, 3, 8, 1, uint32(sc.KeySize())))
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}
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