40 lines
910 B
Go
40 lines
910 B
Go
package crypt
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import (
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"crypto/sha256"
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"encoding/hex"
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"testing"
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"github.com/stretchr/testify/assert"
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)
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func TestHMAC_HMACSHA256_Good(t *testing.T) {
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// RFC 4231 Test Case 2
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key := []byte("Jefe")
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message := []byte("what do ya want for nothing?")
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expected := "5bdcc146bf60754e6a042426089575c75a003f089d2739839dec58b964ec3843"
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mac := HMACSHA256(message, key)
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assert.Equal(t, expected, hex.EncodeToString(mac))
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}
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func TestHMAC_VerifyHMAC_Good(t *testing.T) {
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key := []byte("secret-key")
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message := []byte("test message")
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mac := HMACSHA256(message, key)
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valid := VerifyHMAC(message, key, mac, sha256.New)
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assert.True(t, valid)
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}
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func TestHMAC_VerifyHMAC_Bad(t *testing.T) {
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key := []byte("secret-key")
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message := []byte("test message")
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tampered := []byte("tampered message")
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mac := HMACSHA256(message, key)
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valid := VerifyHMAC(tampered, key, mac, sha256.New)
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assert.False(t, valid)
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}
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