mirror of
https://github.com/rwinkhart/rcw.git
synced 2026-08-27 20:36:30 -04:00
26 lines
532 B
Go
26 lines
532 B
Go
package wrappers
|
|
|
|
import (
|
|
"runtime"
|
|
|
|
"golang.org/x/crypto/argon2"
|
|
"golang.org/x/crypto/chacha20poly1305"
|
|
)
|
|
|
|
const (
|
|
// parameters for Argon2
|
|
argonTime = 1
|
|
argonMemory = 64 * 1024
|
|
argonKeyLen = chacha20poly1305.KeySize
|
|
|
|
// general constants
|
|
saltSize = 16
|
|
)
|
|
|
|
var argonThreads = uint8(runtime.NumCPU())
|
|
|
|
// DeriveKey derives an encryption key from a passphrase using Argon2.
|
|
func deriveKey(passphrase []byte, salt []byte) []byte {
|
|
return argon2.IDKey(passphrase, salt, argonTime, argonMemory, argonThreads, argonKeyLen)
|
|
}
|