CringeStudios/Cringe-Authenticator-Library
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HTOP works now (I think)

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This commit is contained in:
TheArrayser 2023-06-18 21:35:01 +02:00
parent 451b46e087
commit bb7c152cb9
2 changed files with 37 additions and 23 deletions
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38
src/com/cringe_studios/cringe_authenticator_library/impl/HOTP.java
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@ -31,25 +31,37 @@ public class HOTP extends OTP {
@Override
public String getPin() {
// TODO Auto-generated method stub
return null;
}
public String generateOTP(int truncationOffset) throws NoSuchAlgorithmException, InvalidKeyException {
boolean addChecksum = this.hasChecksum();
byte[] secret = this.getSecret().getBytes(StandardCharsets.US_ASCII);
int codeDigits = this.getDigits();
try {
long movingFactor = this.getCounter();
// put movingFactor value into text byte array
String result = null;
int digits = addChecksum ? (codeDigits + 1) : codeDigits;
byte[] text = new byte[8];
byte[] text = new byte[Long.BYTES];
for (int i = text.length - 1; i >= 0; i--) {
text[i] = (byte) (movingFactor & 0xff);
movingFactor >>= 8;
}
return generateOTP(-1, text);
} catch (InvalidKeyException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (NoSuchAlgorithmException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
return null;
}
public String generateOTP(int truncationOffset, byte[] message) throws NoSuchAlgorithmException, InvalidKeyException {
boolean addChecksum = this.hasChecksum();
byte[] secret = this.secret;
int codeDigits = this.getDigits();
// put movingFactor value into text byte array
int digits = addChecksum ? (codeDigits + 1) : codeDigits;
byte[] text = message;
// compute hmac hash
byte[] hash = this.getAlgorithm().hash(secret, text);
@ -65,7 +77,7 @@ public class HOTP extends OTP {
if (addChecksum) {
otp = (otp * 10) + HOTPChecksumProvider.calcChecksum(otp, codeDigits);
}
result = Integer.toString(otp);
String result = Integer.toString(otp);
while (result.length() < digits) {
result = "0" + result;
}

26
src/com/cringe_studios/cringe_authenticator_library/impl/TOTP.java
View File

@ -52,25 +52,27 @@ public class TOTP extends HOTP {
}
public String getPinAt(long time) throws InvalidKeyException, NoSuchAlgorithmException {
int codeDigits = this.getDigits();
//int codeDigits = this.getDigits();
// Get the HEX in a Byte[]
byte[] msg = ByteBuffer.allocate(Long.BYTES).putLong(this.getCounterAt(time)).array();
byte[] k = this.secret;
byte[] hash = this.getAlgorithm().hash(k, msg);
//byte[] k = this.secret;
//byte[] hash = this.getAlgorithm().hash(k, msg);
// put selected bytes into result int
int offset = hash[hash.length - 1] & 0xf;
//int offset = hash[hash.length - 1] & 0xf;
int binary = ((hash[offset] & 0x7f) << 24) | ((hash[offset + 1] & 0xff) << 16)
| ((hash[offset + 2] & 0xff) << 8) | (hash[offset + 3] & 0xff);
//int binary = ((hash[offset] & 0x7f) << 24) | ((hash[offset + 1] & 0xff) << 16)
// | ((hash[offset + 2] & 0xff) << 8) | (hash[offset + 3] & 0xff);
int otp = binary % DIGITS_POWER[codeDigits];
//int otp = binary % DIGITS_POWER[codeDigits];
String result = Integer.toString(otp);
while (result.length() < codeDigits) {
result = "0" + result;
}
return result;
//String result = Integer.toString(otp);
//while (result.length() < codeDigits) {
// result = "0" + result;
//}
//return result;
return this.generateOTP(-1, msg);
}
}