diff --git a/core-java-security/pom.xml b/core-java-security/pom.xml index cf91121465..7c4ab9763f 100644 --- a/core-java-security/pom.xml +++ b/core-java-security/pom.xml @@ -44,8 +44,8 @@ 3.8.1 - 1.55 - 1.10 + 1.60 + 1.11 3.10.0 diff --git a/core-java-security/src/main/java/com/baeldung/hashing/DigestAlgorithms.java b/core-java-security/src/main/java/com/baeldung/hashing/DigestAlgorithms.java new file mode 100644 index 0000000000..94dd22ff4b --- /dev/null +++ b/core-java-security/src/main/java/com/baeldung/hashing/DigestAlgorithms.java @@ -0,0 +1,9 @@ +package com.baeldung.hashing; + +public class DigestAlgorithms { + + public static final String SHA3_256 = "SHA3-256"; + public static final String SHA_256 = "SHA-256"; + public static final String KECCAK_256 = "Keccak-256"; + +} diff --git a/core-java-security/src/main/java/com/baeldung/hashing/Keccak256Hashing.java b/core-java-security/src/main/java/com/baeldung/hashing/Keccak256Hashing.java new file mode 100644 index 0000000000..19fc4cf059 --- /dev/null +++ b/core-java-security/src/main/java/com/baeldung/hashing/Keccak256Hashing.java @@ -0,0 +1,30 @@ +package com.baeldung.hashing; + +import org.bouncycastle.jcajce.provider.digest.Keccak; +import org.bouncycastle.jce.provider.BouncyCastleProvider; +import org.bouncycastle.util.encoders.Hex; + +import java.nio.charset.StandardCharsets; +import java.security.MessageDigest; +import java.security.NoSuchAlgorithmException; +import java.security.Security; + +import static com.baeldung.hashing.DigestAlgorithms.KECCAK_256; +import static com.baeldung.hashing.SHACommonUtils.bytesToHex; + +public class Keccak256Hashing { + + public static String hashWithJavaMessageDigest(final String originalString) throws NoSuchAlgorithmException { + Security.addProvider(new BouncyCastleProvider()); + final MessageDigest digest = MessageDigest.getInstance(KECCAK_256); + final byte[] encodedhash = digest.digest(originalString.getBytes(StandardCharsets.UTF_8)); + return bytesToHex(encodedhash); + } + + public static String hashWithBouncyCastle(final String originalString) { + Keccak.Digest256 digest256 = new Keccak.Digest256(); + byte[] hashbytes = digest256.digest(originalString.getBytes(StandardCharsets.UTF_8)); + return new String(Hex.encode(hashbytes)); + } + +} diff --git a/core-java-security/src/main/java/com/baeldung/hashing/SHA256Hashing.java b/core-java-security/src/main/java/com/baeldung/hashing/SHA256Hashing.java index 4fa164cadc..ec008cebab 100644 --- a/core-java-security/src/main/java/com/baeldung/hashing/SHA256Hashing.java +++ b/core-java-security/src/main/java/com/baeldung/hashing/SHA256Hashing.java @@ -8,15 +8,18 @@ import java.nio.charset.StandardCharsets; import java.security.MessageDigest; import java.security.NoSuchAlgorithmException; +import static com.baeldung.hashing.DigestAlgorithms.SHA_256; +import static com.baeldung.hashing.SHACommonUtils.bytesToHex; + public class SHA256Hashing { public static String HashWithJavaMessageDigest(final String originalString) throws NoSuchAlgorithmException { - final MessageDigest digest = MessageDigest.getInstance("SHA-256"); + final MessageDigest digest = MessageDigest.getInstance(SHA_256); final byte[] encodedhash = digest.digest(originalString.getBytes(StandardCharsets.UTF_8)); return bytesToHex(encodedhash); } - public static String HashWithGuava(final String originalString) { + public static String hashWithGuava(final String originalString) { final String sha256hex = Hashing.sha256().hashString(originalString, StandardCharsets.UTF_8).toString(); return sha256hex; } @@ -27,20 +30,10 @@ public class SHA256Hashing { } public static String HashWithBouncyCastle(final String originalString) throws NoSuchAlgorithmException { - final MessageDigest digest = MessageDigest.getInstance("SHA-256"); + final MessageDigest digest = MessageDigest.getInstance(SHA_256); final byte[] hash = digest.digest(originalString.getBytes(StandardCharsets.UTF_8)); final String sha256hex = new String(Hex.encode(hash)); return sha256hex; } - private static String bytesToHex(byte[] hash) { - StringBuffer hexString = new StringBuffer(); - for (int i = 0; i < hash.length; i++) { - String hex = Integer.toHexString(0xff & hash[i]); - if (hex.length() == 1) - hexString.append('0'); - hexString.append(hex); - } - return hexString.toString(); - } } diff --git a/core-java-security/src/main/java/com/baeldung/hashing/SHA3Hashing.java b/core-java-security/src/main/java/com/baeldung/hashing/SHA3Hashing.java new file mode 100644 index 0000000000..eb363205b1 --- /dev/null +++ b/core-java-security/src/main/java/com/baeldung/hashing/SHA3Hashing.java @@ -0,0 +1,45 @@ +package com.baeldung.hashing; + +import com.google.common.hash.Hashing; +import org.apache.commons.codec.digest.DigestUtils; +import org.bouncycastle.crypto.digests.SHA3Digest; +import org.bouncycastle.jcajce.provider.digest.SHA3; +import org.bouncycastle.jce.provider.BouncyCastleProvider; +import org.bouncycastle.util.encoders.Hex; + +import java.nio.charset.StandardCharsets; +import java.security.MessageDigest; +import java.security.NoSuchAlgorithmException; +import java.security.Security; + +import static com.baeldung.hashing.DigestAlgorithms.SHA3_256; +import static com.baeldung.hashing.SHACommonUtils.bytesToHex; + +public class SHA3Hashing { + + /* works with JDK9+ only */ + public static String hashWithJavaMessageDigestJDK9(final String originalString) throws NoSuchAlgorithmException { + final MessageDigest digest = MessageDigest.getInstance(SHA3_256); + final byte[] hashbytes = digest.digest(originalString.getBytes(StandardCharsets.UTF_8)); + return bytesToHex(hashbytes); + } + + public static String hashWithJavaMessageDigest(final String originalString) throws NoSuchAlgorithmException { + Security.addProvider(new BouncyCastleProvider()); + final MessageDigest digest = MessageDigest.getInstance(SHA3_256); + final byte[] hashbytes = digest.digest(originalString.getBytes(StandardCharsets.UTF_8)); + return bytesToHex(hashbytes); + } + + /* works with JDK9+ only */ + public static String hashWithApacheCommonsJDK9(final String originalString) { + return new DigestUtils(SHA3_256).digestAsHex(originalString); + } + + public static String hashWithBouncyCastle(final String originalString) { + SHA3.Digest256 digest256 = new SHA3.Digest256(); + byte[] hashbytes = digest256.digest(originalString.getBytes(StandardCharsets.UTF_8)); + return new String(Hex.encode(hashbytes)); + } + +} diff --git a/core-java-security/src/main/java/com/baeldung/hashing/SHACommonUtils.java b/core-java-security/src/main/java/com/baeldung/hashing/SHACommonUtils.java new file mode 100644 index 0000000000..0f28408083 --- /dev/null +++ b/core-java-security/src/main/java/com/baeldung/hashing/SHACommonUtils.java @@ -0,0 +1,16 @@ +package com.baeldung.hashing; + +class SHACommonUtils { + + public static String bytesToHex(byte[] hash) { + StringBuffer hexString = new StringBuffer(); + for (byte h : hash) { + String hex = Integer.toHexString(0xff & h); + if (hex.length() == 1) + hexString.append('0'); + hexString.append(hex); + } + return hexString.toString(); + } + +} diff --git a/core-java-security/src/test/java/com/baeldung/hashing/Keccak256HashingUnitTest.java b/core-java-security/src/test/java/com/baeldung/hashing/Keccak256HashingUnitTest.java new file mode 100644 index 0000000000..9ed35c8834 --- /dev/null +++ b/core-java-security/src/test/java/com/baeldung/hashing/Keccak256HashingUnitTest.java @@ -0,0 +1,22 @@ +package com.baeldung.hashing; + +import org.junit.Test; + +import static org.junit.Assert.assertEquals; + +public class Keccak256HashingUnitTest { + + private static String originalValue = "abc123"; + private static String hashedValue = "719accc61a9cc126830e5906f9d672d06eab6f8597287095a2c55a8b775e7016"; + + @Test public void testHashWithJavaMessageDigest() throws Exception { + final String currentHashedValue = Keccak256Hashing.hashWithJavaMessageDigest(originalValue); + assertEquals(hashedValue, currentHashedValue); + } + + @Test public void testHashWithBouncyCastle() { + final String currentHashedValue = Keccak256Hashing.hashWithBouncyCastle(originalValue); + assertEquals(hashedValue, currentHashedValue); + } + +} diff --git a/core-java-security/src/test/java/com/baeldung/hashing/SHA256HashingUnitTest.java b/core-java-security/src/test/java/com/baeldung/hashing/SHA256HashingUnitTest.java index 3c34bf2c6e..6bc9ad2cc6 100644 --- a/core-java-security/src/test/java/com/baeldung/hashing/SHA256HashingUnitTest.java +++ b/core-java-security/src/test/java/com/baeldung/hashing/SHA256HashingUnitTest.java @@ -12,24 +12,24 @@ public class SHA256HashingUnitTest { @Test public void testHashWithJavaMessageDigest() throws Exception { final String currentHashedValue = SHA256Hashing.HashWithJavaMessageDigest(originalValue); - assertEquals(currentHashedValue, hashedValue); + assertEquals(hashedValue, currentHashedValue); } @Test public void testHashWithGuava() throws Exception { - final String currentHashedValue = SHA256Hashing.HashWithApacheCommons(originalValue); - assertEquals(currentHashedValue, hashedValue); + final String currentHashedValue = SHA256Hashing.hashWithGuava(originalValue); + assertEquals(hashedValue, currentHashedValue); } @Test public void testHashWithApacheCommans() throws Exception { - final String currentHashedValue = SHA256Hashing.HashWithGuava(originalValue); - assertEquals(currentHashedValue, hashedValue); + final String currentHashedValue = SHA256Hashing.HashWithApacheCommons(originalValue); + assertEquals(hashedValue, currentHashedValue); } @Test public void testHashWithBouncyCastle() throws Exception { final String currentHashedValue = SHA256Hashing.HashWithBouncyCastle(originalValue); - assertEquals(currentHashedValue, hashedValue); + assertEquals(hashedValue, currentHashedValue); } } \ No newline at end of file diff --git a/core-java-security/src/test/java/com/baeldung/hashing/SHA3HashingUnitTest.java b/core-java-security/src/test/java/com/baeldung/hashing/SHA3HashingUnitTest.java new file mode 100644 index 0000000000..fffab96405 --- /dev/null +++ b/core-java-security/src/test/java/com/baeldung/hashing/SHA3HashingUnitTest.java @@ -0,0 +1,38 @@ +package com.baeldung.hashing; + +import org.junit.Test; + +import static org.junit.Assert.assertEquals; + +public class SHA3HashingUnitTest { + + private static String originalValue = "abc123"; + private static String hashedValue = "f58fa3df820114f56e1544354379820cff464c9c41cb3ca0ad0b0843c9bb67ee"; + + /* works with JDK9+ only */ + //@Test + public void testHashWithJavaMessageDigestJDK9() throws Exception { + final String currentHashedValue = SHA3Hashing.hashWithJavaMessageDigestJDK9(originalValue); + assertEquals(hashedValue, currentHashedValue); + } + + @Test + public void testHashWithJavaMessageDigest() throws Exception { + final String currentHashedValue = SHA3Hashing.hashWithJavaMessageDigest(originalValue); + assertEquals(hashedValue, currentHashedValue); + } + + /* works with JDK9+ only */ + //@Test + public void testHashWithApacheCommonsJDK9() { + final String currentHashedValue = SHA3Hashing.hashWithApacheCommonsJDK9(originalValue); + assertEquals(hashedValue, currentHashedValue); + } + + @Test + public void testHashWithBouncyCastle() { + final String currentHashedValue = SHA3Hashing.hashWithBouncyCastle(originalValue); + assertEquals(hashedValue, currentHashedValue); + } + +}