Android Utililty Methods SHA1 Hash Create

List of utility methods to do SHA1 Hash Create

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Description

The list of methods to do SHA1 Hash Create are organized into topic(s).

Method

Stringsha1(String ori)
sha 
try {
    MessageDigest md = MessageDigest.getInstance("sha1");
    md.update(ori.getBytes(), 0, ori.length());
    BigInteger i = new BigInteger(1, md.digest());
    return String.format("%1$040x", i);
} catch (NoSuchAlgorithmException e) {
    e.printStackTrace();
    return ori;
...
Stringsha1(String ori)
sha 
try {
    MessageDigest md = MessageDigest.getInstance("sha1");
    md.update(ori.getBytes(), 0, ori.length());
    BigInteger i = new BigInteger(1, md.digest());
    return String.format("%1$040x", i);
} catch (NoSuchAlgorithmException e) {
    e.printStackTrace();
    return ori;
...
Stringsha1(String s)
SHA1 algorithm 
return encrypt(s, "SHA-1");
Stringsha1(String s)
sha 
return hash(s, "SHA1");
StringcomputeHashSHA1(final String text)
Returns a hash value for a string using SHA-1 algorithm 
MessageDigest md = MessageDigest.getInstance("SHA-1");
md.update(text.getBytes(), 0, text.length());
byte hashData[] = md.digest();
StringBuilder sb = new StringBuilder(hashData.length * 2);
for (int i = 0; i < hashData.length; i++) {
    int b = (0xFF & hashData[i]);
    if (b <= 0xF)
        sb.append('0');
...
StringcomputeSHAHash(String password)
compute SHA Hash 
MessageDigest digest = null;
try {
    digest = MessageDigest.getInstance("SHA-1");
} catch (Exception e) {
    e.printStackTrace();
digest.reset();
byte[] data = digest.digest(password.getBytes());
...
StringgetSHA1CertFingerprint(Context ctx)
get SHA Cert Fingerprint 
try {
    Signature[] sigs = ctx.getPackageManager().getPackageInfo(
            ctx.getPackageName(), PackageManager.GET_SIGNATURES).signatures;
    if (sigs.length == 0) {
        return "ERROR: NO SIGNATURE.";
    } else if (sigs.length > 1) {
        return "ERROR: MULTIPLE SIGNATURES";
    byte[] digest = MessageDigest.getInstance("SHA1").digest(
            sigs[0].toByteArray());
    StringBuilder hexString = new StringBuilder();
    for (int i = 0; i < digest.length; ++i) {
        if (i > 0) {
            hexString.append(":");
        byteToString(hexString, digest[i]);
    return hexString.toString();
} catch (PackageManager.NameNotFoundException ex) {
    ex.printStackTrace();
    return "(ERROR: package not found)";
} catch (NoSuchAlgorithmException ex) {
    ex.printStackTrace();
    return "(ERROR: SHA1 algorithm not found)";
StringSHA1(String text)
Converts a String into a SHA-1 hash. 
return hashAlgorithm("SHA-1", text);
byte[]shaByte(String in)
Returns a byte array representation of the hash of a string input using the SHA1 hashing algorithm. 
return digestByte("SHA", in.getBytes());
byte[]shaByte(byte[] in)
Returns a byte array representation of the hash of a byte array input using the SHA1 hashing algorithm. 
return digestByte("SHA", in);