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crypto/cipher: use AEAD.NonceSize to determine the size of nonce in the example
The existing example uses hard-coded constant to make nonce buffer. Using AEAD.NonceSize makes it a more portable and appropriate example. Fixes: #48372
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@ -29,14 +29,14 @@ func ExampleNewGCM_encrypt() {
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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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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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aesgcm, err := cipher.NewGCM(block)
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if err != nil {
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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, aesgcm.NonceSize())
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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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