diff options
Diffstat (limited to 'src/se/leap/leapclient/LeapSRPSession.java')
| -rw-r--r-- | src/se/leap/leapclient/LeapSRPSession.java | 27 |
1 files changed, 24 insertions, 3 deletions
diff --git a/src/se/leap/leapclient/LeapSRPSession.java b/src/se/leap/leapclient/LeapSRPSession.java index 715e9de1..8d6f77bf 100644 --- a/src/se/leap/leapclient/LeapSRPSession.java +++ b/src/se/leap/leapclient/LeapSRPSession.java @@ -109,13 +109,29 @@ public class LeapSRPSession { password_bytes = Util.trim(password.getBytes()); } + /*byte[] passBytes = new byte[2*password.toCharArray().length]; + int passBytesLength = 0; + for(int p = 0; p < password.toCharArray().length; p++) { + int c = (password.toCharArray()[p] & 0x00FFFF); + // The low byte of the char + byte b0 = (byte) (c & 0x0000FF); + // The high byte of the char + byte b1 = (byte) ((c & 0x00FF00) >> 8); + passBytes[passBytesLength ++] = b0; + // Only encode the high byte if c is a multi-byte char + if( c > 255 ) + passBytes[passBytesLength ++] = b1; + }*/ + // Build the hash x_digest.update(user); x_digest.update(colon); x_digest.update(password_bytes); + //x_digest.update(passBytes, 0, passBytesLength); byte[] h = x_digest.digest(); + String hstr = new BigInteger(1, h).toString(16); //h = Util.trim(h); - + //25c19c2b903ff36dd5acd6e1136b8f3af008ceee45103ef9771334f4246d6226 x_digest.reset(); x_digest.update(salt); x_digest.update(h); @@ -173,8 +189,9 @@ public class LeapSRPSession { */ public byte[] response(byte[] salt_bytes, byte[] Bbytes) throws NoSuchAlgorithmException { // Calculate x = H(s | H(U | ':' | password)) - byte[] xb = calculatePasswordHash(username, password, salt_bytes); + byte[] xb = calculatePasswordHash(username, password, Util.trim(salt_bytes)); this.x = new BigInteger(1, xb); + String xstr = x.toString(16); // Calculate v = kg^x mod N String k_string = "bf66c44a428916cad64aa7c679f3fd897ad4c375e9bbb4cbf2f5de241d618ef0"; @@ -211,6 +228,7 @@ public class LeapSRPSession { // Calculate S = (B - kg^x) ^ (a + u * x) % N BigInteger S = calculateS(Bbytes); byte[] S_bytes = Util.trim(S.toByteArray()); + String Sstr = S.toString(16); // K = SessionHash(S) String hash_algorithm = params.hashAlgorithm; @@ -219,8 +237,10 @@ public class LeapSRPSession { // clientHash = H(N) xor H(g) | H(U) | A | B | K clientHash.update(K); + String Kstr = new BigInteger(1, K).toString(16); byte[] M1 = Util.trim(clientHash.digest()); + String M1str = new BigInteger(1, M1).toString(16); // serverHash = Astr + M + K serverHash.update(Abytes); @@ -244,9 +264,10 @@ public class LeapSRPSession { BigInteger u = new BigInteger(1, u_bytes); BigInteger B_minus_v = B.subtract(v); + String vstr = v.toString(16); BigInteger a_ux = a.add(u.multiply(x)); + String xstr = x.toString(16); BigInteger S = B_minus_v.modPow(a_ux, N); - return S; } |