34 lines
623 B
Go
34 lines
623 B
Go
package main
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import (
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"crypto/rand"
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"crypto/sha256"
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"encoding/hex"
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"fmt"
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"os"
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)
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func main() {
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if len(os.Args) <= 1 {
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fmt.Printf("usage: pwdhash PASSWORD\n")
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return
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}
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fmt.Printf("password = \"%v\"\n", os.Args[1])
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var salt [32]byte
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if n, err := rand.Read(salt[:]); err != nil || n != 32 {
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fmt.Printf("Failed to generate salt: %v\n", err)
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}
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secret := sha256.Sum256([]byte(os.Args[1]))
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for i := 0; i < 32; i += 1 {
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secret[i] ^= salt[i]
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}
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pwdhash := sha256.Sum256(secret[:])
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fmt.Printf("pwdhash = %v\n", hex.EncodeToString(pwdhash[:]))
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fmt.Printf("salt = %v\n", hex.EncodeToString(salt[:]))
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}
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