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package src.test.java.com.crypto.hash;
import java.lang.StringBuilder;
import org.junit.Test;
import org.junit.BeforeClass;
import src.main.java.com.crypto.hash.Sha2;
import static junit.framework.Assert.assertEquals;
public class Sha2Test {
/*
* The following test vectors for the SHA-2 family are taken from:
* https://www.di-mgt.com.au/sha_testvectors.html
*/
private static byte[][] vector;
@BeforeClass
public static void setUpClass() {
System.out.println("@BeforeClass setUpClass");
StringBuilder builder = new StringBuilder();
vector = new byte[6][];
vector[0] = "abc".getBytes();
vector[1] = "".getBytes();
vector[2] = "abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq".getBytes();
vector[3] = "abcdefghbcdefghicdefghijdefghijkefghijklfghijklmghijklmnhijklmnoijklmnopjklmnopqklmnopqrlmnopqrsmnopqrstnopqrstu".getBytes();
for (int i = 0; i < 1000_000; i++) {
builder.append("a");
}
vector[4] = builder.toString().getBytes();
builder = new StringBuilder();
for (int i = 0; i < 16_777_216; i++) {
builder.append("abcdefghbcdefghicdefghijdefghijkefghijklfghijklmghijklmnhijklmno");
}
vector[5] = builder.toString().getBytes();
}
@Test
public void TestSha224Vector1() {
String digest = "23097d223405d8228642a477bda255b32aadbce4bda0b3f7e36c9da7";
assertEquals("message digests are not equal", digest, Sha2.SHA224(vector[0]));
}
@Test
public void TestSha224Vector2() {
String digest = "d14a028c2a3a2bc9476102bb288234c415a2b01f828ea62ac5b3e42f";
assertEquals("message digests are not equal", digest, Sha2.SHA224(vector[1]));
}
@Test
public void TestSha224Vector3() {
String digest = "75388b16512776cc5dba5da1fd890150b0c6455cb4f58b1952522525";
assertEquals("message digests are not equal", digest, Sha2.SHA224(vector[2]));
}
@Test
public void TestSha224Vector4() {
String digest = "c97ca9a559850ce97a04a96def6d99a9e0e0e2ab14e6b8df265fc0b3";
assertEquals("message digests are not equal", digest, Sha2.SHA224(vector[3]));
}
@Test
public void TestSha224Vector5() {
String digest = "20794655980c91d8bbb4c1ea97618a4bf03f42581948b2ee4ee7ad67";
assertEquals("message digests are not equal", digest, Sha2.SHA224(vector[4]));
}
@Test
public void TestSha224Vector6() {
String digest = "b5989713ca4fe47a009f8621980b34e6d63ed3063b2a0a2c867d8a85";
assertEquals("message digests are not equal", digest, Sha2.SHA224(vector[5]));
}
@Test
public void TestSha256Vector1() {
String digest = "ba7816bf8f01cfea414140de5dae2223b00361a396177a9cb410ff61f20015ad";
assertEquals("message digests are not equal", digest, Sha2.SHA256(vector[0]));
}
@Test
public void TestSha256Vector2() {
String digest = "e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855";
assertEquals("message digests are not equal", digest, Sha2.SHA256(vector[1]));
}
@Test
public void TestSha256Vector3() {
String digest = "248d6a61d20638b8e5c026930c3e6039a33ce45964ff2167f6ecedd419db06c1";
assertEquals("message digests are not equal", digest, Sha2.SHA256(vector[2]));
}
@Test
public void TestSha256Vector4() {
String digest = "cf5b16a778af8380036ce59e7b0492370b249b11e8f07a51afac45037afee9d1";
assertEquals("message digests are not equal", digest, Sha2.SHA256(vector[3]));
}
@Test
public void TestSha256Vector5() {
String digest = "cdc76e5c9914fb9281a1c7e284d73e67f1809a48a497200e046d39ccc7112cd0";
assertEquals("message digests are not equal", digest, Sha2.SHA256(vector[4]));
}
@Test
public void TestSha256Vector6() {
String digest = "50e72a0e26442fe2552dc3938ac58658228c0cbfb1d2ca872ae435266fcd055e";
assertEquals("message digests are not equal", digest, Sha2.SHA256(vector[5]));
}
@Test
public void TestSha384Vector1() {
String digest = "cb00753f45a35e8bb5a03d699ac65007272c32ab0eded1631a8b605a43ff5bed8086072ba1e7cc2358baeca134c825a7";
assertEquals("message digests are not equal", digest, Sha2.SHA384(vector[0]));
}
@Test
public void TestSha384Vector2() {
String digest = "38b060a751ac96384cd9327eb1b1e36a21fdb71114be07434c0cc7bf63f6e1da274edebfe76f65fbd51ad2f14898b95b";
assertEquals("message digests are not equal", digest, Sha2.SHA384(vector[1]));
}
@Test
public void TestSha384Vector3() {
String digest = "3391fdddfc8dc7393707a65b1b4709397cf8b1d162af05abfe8f450de5f36bc6b0455a8520bc4e6f5fe95b1fe3c8452b";
assertEquals("message digests are not equal", digest, Sha2.SHA384(vector[2]));
}
@Test
public void TestSha384Vector4() {
String digest = "09330c33f71147e83d192fc782cd1b4753111b173b3b05d22fa08086e3b0f712fcc7c71a557e2db966c3e9fa91746039";
assertEquals("message digests are not equal", digest, Sha2.SHA384(vector[3]));
}
@Test
public void TestSha384Vector5() {
String digest = "9d0e1809716474cb086e834e310a4a1ced149e9c00f248527972cec5704c2a5b07b8b3dc38ecc4ebae97ddd87f3d8985";
assertEquals("message digests are not equal", digest, Sha2.SHA384(vector[4]));
}
@Test
public void TestSha384Vector6() {
String digest = "5441235cc0235341ed806a64fb354742b5e5c02a3c5cb71b5f63fb793458d8fdae599c8cd8884943c04f11b31b89f023";
assertEquals("message digests are not equal", digest, Sha2.SHA384(vector[5]));
}
@Test
public void TestSha512Vector1() {
String digest = "ddaf35a193617abacc417349ae20413112e6fa4e89a97ea20a9eeee64b55d39a2192992a274fc1a836ba3c23a3feebbd454d4423643ce80e2a9ac94fa54ca49f";
assertEquals("message digests are not equal", digest, Sha2.SHA512(vector[0]));
}
@Test
public void TestSha512Vector2() {
String digest = "cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e";
assertEquals("message digests are not equal", digest, Sha2.SHA512(vector[1]));
}
@Test
public void TestSha512Vector3() {
String digest = "204a8fc6dda82f0a0ced7beb8e08a41657c16ef468b228a8279be331a703c33596fd15c13b1b07f9aa1d3bea57789ca031ad85c7a71dd70354ec631238ca3445";
assertEquals("message digests are not equal", digest, Sha2.SHA512(vector[2]));
}
@Test
public void TestSha512Vector4() {
String digest = "8e959b75dae313da8cf4f72814fc143f8f7779c6eb9f7fa17299aeadb6889018501d289e4900f7e4331b99dec4b5433ac7d329eeb6dd26545e96e55b874be909";
assertEquals("message digests are not equal", digest, Sha2.SHA512(vector[3]));
}
@Test
public void TestSha512Vector5() {
String digest = "e718483d0ce769644e2e42c7bc15b4638e1f98b13b2044285632a803afa973ebde0ff244877ea60a4cb0432ce577c31beb009c5c2c49aa2e4eadb217ad8cc09b";
assertEquals("message digests are not equal", digest, Sha2.SHA512(vector[4]));
}
@Test
public void TestSha512Vector6() {
String digest = "b47c933421ea2db149ad6e10fce6c7f93d0752380180ffd7f4629a712134831d77be6091b819ed352c2967a2e2d4fa5050723c9630691f1a05a7281dbe6c1086";
assertEquals("message digests are not equal", digest, Sha2.SHA512(vector[5]));
}
@Test
public void TestInputByteArrayNotAltered() {
byte[] array = vector[2];
Sha2.SHA224(array);
assertEquals("user vector altered", array, vector[2]);
}
}