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// Copyright © 2022 siddharth <s@ricketyspace.net>
// SPDX-License-Identifier: ISC
package lib
import "testing"
// Tests from
// https://csrc.nist.gov/CSRC/media/Projects/Cryptographic-Standards-and-Guidelines/documents/examples/SHA256.pdf
func TestSha256Hash(t *testing.T) {
sha256 := Sha256{}
sha256.Init([]uint32{})
// Test 1
m := "abc"
sha256.Message(StrToBytes(m))
h := sha256.Hash()
e := "ba7816bf8f01cfea414140de5dae2223b00361a396177a9cb410ff61f20015ad"
if BytesToHexStr(h) != e {
t.Errorf("sha256 test 1 failed: %x != %s\n", h, e)
}
// Test 2
m = "abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq"
sha256.Message(StrToBytes(m))
h = sha256.Hash()
e = "248d6a61d20638b8e5c026930c3e6039a33ce45964ff2167f6ecedd419db06c1"
if BytesToHexStr(h) != e {
t.Errorf("sha256 test 1 failed: %x != %s\n", h, e)
}
}
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