mirror of
https://github.com/Binject/debug
synced 2026-06-08 10:28:33 +00:00
Andrew LeFevre
40 lines
1.0 KiB
Go
40 lines
1.0 KiB
Go
package main
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import (
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"crypto/aes"
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"crypto/cipher"
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"crypto/rand"
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"encoding/hex"
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"fmt"
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"io"
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)
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func main() {
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// Load your secret key from a safe place and reuse it across multiple
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// Seal/Open calls. (Obviously don't use this example key for anything
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// real.) If you want to convert a passphrase to a key, use a suitable
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// package like bcrypt or scrypt.
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// When decoded the key should be 16 bytes (AES-128) or 32 (AES-256).
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key, _ := hex.DecodeString("6368616e676520746869732070617373776f726420746f206120736563726574")
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plaintext := []byte("exampleplaintext")
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block, err := aes.NewCipher(key)
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if err != nil {
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panic(err.Error())
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}
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// Never use more than 2^32 random nonces with a given key because of the risk of a repeat.
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nonce := make([]byte, 12)
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if _, err := io.ReadFull(rand.Reader, nonce); err != nil {
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panic(err.Error())
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}
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aesgcm, err := cipher.NewGCM(block)
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if err != nil {
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panic(err.Error())
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}
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ciphertext := aesgcm.Seal(nil, nonce, plaintext, nil)
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fmt.Printf("%x\n", ciphertext)
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}
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