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23 lines
497 B
Go
23 lines
497 B
Go
package wrappers
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import (
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"golang.org/x/crypto/argon2"
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"golang.org/x/crypto/chacha20poly1305"
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)
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const (
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// parameters for Argon2
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argonTime = 1
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argonMemory = 64 * 1024
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argonThreads = 4
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argonKeyLen = chacha20poly1305.KeySize
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// general constants
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saltSize = 16
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)
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// DeriveKey derives an encryption key from a passphrase using Argon2.
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func deriveKey(passphrase []byte, salt []byte) []byte {
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return argon2.IDKey(passphrase, salt, argonTime, argonMemory, argonThreads, argonKeyLen)
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}
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