CrackMe.apk
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package org.apache.commons.codec.digest;
import java.io.IOException;
import java.io.InputStream;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;
import org.apache.commons.codec.binary.Hex;
import org.apache.commons.codec.binary.StringUtils;
public class DigestUtils {
private static final int STREAM_BUFFER_LENGTH = 1024;
private static byte[] digest(MessageDigest messageDigest, InputStream inputStream) throws IOException {
return updateDigest(messageDigest, inputStream).digest();
}
public static MessageDigest getDigest(String str) {
try {
return MessageDigest.getInstance(str);
} catch (NoSuchAlgorithmException e) {
throw new IllegalArgumentException(e);
}
}
public static MessageDigest getMd2Digest() {
return getDigest(MessageDigestAlgorithms.MD2);
}
public static MessageDigest getMd5Digest() {
return getDigest(MessageDigestAlgorithms.MD5);
}
public static MessageDigest getSha1Digest() {
return getDigest(MessageDigestAlgorithms.SHA_1);
}
public static MessageDigest getSha256Digest() {
return getDigest(MessageDigestAlgorithms.SHA_256);
}
public static MessageDigest getSha384Digest() {
return getDigest(MessageDigestAlgorithms.SHA_384);
}
public static MessageDigest getSha512Digest() {
return getDigest(MessageDigestAlgorithms.SHA_512);
}
@Deprecated
public static MessageDigest getShaDigest() {
return getSha1Digest();
}
public static byte[] md2(byte[] bArr) {
return getMd2Digest().digest(bArr);
}
public static byte[] md2(InputStream inputStream) throws IOException {
return digest(getMd2Digest(), inputStream);
}
public static byte[] md2(String str) {
return md2(StringUtils.getBytesUtf8(str));
}
public static String md2Hex(byte[] bArr) {
return Hex.encodeHexString(md2(bArr));
}
public static String md2Hex(InputStream inputStream) throws IOException {
return Hex.encodeHexString(md2(inputStream));
}
public static String md2Hex(String str) {
return Hex.encodeHexString(md2(str));
}
public static byte[] md5(byte[] bArr) {
return getMd5Digest().digest(bArr);
}
public static byte[] md5(InputStream inputStream) throws IOException {
return digest(getMd5Digest(), inputStream);
}
public static byte[] md5(String str) {
return md5(StringUtils.getBytesUtf8(str));
}
public static String md5Hex(byte[] bArr) {
return Hex.encodeHexString(md5(bArr));
}
public static String md5Hex(InputStream inputStream) throws IOException {
return Hex.encodeHexString(md5(inputStream));
}
public static String md5Hex(String str) {
return Hex.encodeHexString(md5(str));
}
@Deprecated
public static byte[] sha(byte[] bArr) {
return sha1(bArr);
}
@Deprecated
public static byte[] sha(InputStream inputStream) throws IOException {
return sha1(inputStream);
}
@Deprecated
public static byte[] sha(String str) {
return sha1(str);
}
public static byte[] sha1(byte[] bArr) {
return getSha1Digest().digest(bArr);
}
public static byte[] sha1(InputStream inputStream) throws IOException {
return digest(getSha1Digest(), inputStream);
}
public static byte[] sha1(String str) {
return sha1(StringUtils.getBytesUtf8(str));
}
public static String sha1Hex(byte[] bArr) {
return Hex.encodeHexString(sha1(bArr));
}
public static String sha1Hex(InputStream inputStream) throws IOException {
return Hex.encodeHexString(sha1(inputStream));
}
public static String sha1Hex(String str) {
return Hex.encodeHexString(sha1(str));
}
public static byte[] sha256(byte[] bArr) {
return getSha256Digest().digest(bArr);
}
public static byte[] sha256(InputStream inputStream) throws IOException {
return digest(getSha256Digest(), inputStream);
}
public static byte[] sha256(String str) {
return sha256(StringUtils.getBytesUtf8(str));
}
public static String sha256Hex(byte[] bArr) {
return Hex.encodeHexString(sha256(bArr));
}
public static String sha256Hex(InputStream inputStream) throws IOException {
return Hex.encodeHexString(sha256(inputStream));
}
public static String sha256Hex(String str) {
return Hex.encodeHexString(sha256(str));
}
public static byte[] sha384(byte[] bArr) {
return getSha384Digest().digest(bArr);
}
public static byte[] sha384(InputStream inputStream) throws IOException {
return digest(getSha384Digest(), inputStream);
}
public static byte[] sha384(String str) {
return sha384(StringUtils.getBytesUtf8(str));
}
public static String sha384Hex(byte[] bArr) {
return Hex.encodeHexString(sha384(bArr));
}
public static String sha384Hex(InputStream inputStream) throws IOException {
return Hex.encodeHexString(sha384(inputStream));
}
public static String sha384Hex(String str) {
return Hex.encodeHexString(sha384(str));
}
public static byte[] sha512(byte[] bArr) {
return getSha512Digest().digest(bArr);
}
public static byte[] sha512(InputStream inputStream) throws IOException {
return digest(getSha512Digest(), inputStream);
}
public static byte[] sha512(String str) {
return sha512(StringUtils.getBytesUtf8(str));
}
public static String sha512Hex(byte[] bArr) {
return Hex.encodeHexString(sha512(bArr));
}
public static String sha512Hex(InputStream inputStream) throws IOException {
return Hex.encodeHexString(sha512(inputStream));
}
public static String sha512Hex(String str) {
return Hex.encodeHexString(sha512(str));
}
@Deprecated
public static String shaHex(byte[] bArr) {
return sha1Hex(bArr);
}
@Deprecated
public static String shaHex(InputStream inputStream) throws IOException {
return sha1Hex(inputStream);
}
@Deprecated
public static String shaHex(String str) {
return sha1Hex(str);
}
public static MessageDigest updateDigest(MessageDigest messageDigest, byte[] bArr) {
messageDigest.update(bArr);
return messageDigest;
}
public static MessageDigest updateDigest(MessageDigest messageDigest, InputStream inputStream) throws IOException {
byte[] bArr = new byte[1024];
int read = inputStream.read(bArr, 0, 1024);
while (read > -1) {
messageDigest.update(bArr, 0, read);
read = inputStream.read(bArr, 0, 1024);
}
return messageDigest;
}
public static MessageDigest updateDigest(MessageDigest messageDigest, String str) {
messageDigest.update(StringUtils.getBytesUtf8(str));
return messageDigest;
}
}
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