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authorParménides GV <parmegv@sdf.org>2014-05-05 15:13:47 +0200
committerParménides GV <parmegv@sdf.org>2014-05-05 15:13:47 +0200
commit3ab74308e7ba1fda02d3427ec795eac397707199 (patch)
tree18873982dc1bbc5a5a11c4c8fc41631e9fd32bd3 /app/src/main/java/se
parentd4caf8f35fc9dd43d370439e8f6b6727909b15b9 (diff)
Sign up methods to be tested.
Diffstat (limited to 'app/src/main/java/se')
-rw-r--r--app/src/main/java/se/leap/bitmaskclient/LeapSRPSession.java20
1 files changed, 16 insertions, 4 deletions
diff --git a/app/src/main/java/se/leap/bitmaskclient/LeapSRPSession.java b/app/src/main/java/se/leap/bitmaskclient/LeapSRPSession.java
index a317d95e..db091300 100644
--- a/app/src/main/java/se/leap/bitmaskclient/LeapSRPSession.java
+++ b/app/src/main/java/se/leap/bitmaskclient/LeapSRPSession.java
@@ -155,12 +155,25 @@ public class LeapSRPSession {
return x_digest_bytes;
}
+ public byte[] calculateSaltedPassword() {
+ try {
+ BigInteger salt = new BigInteger(128, SecureRandom.getInstance("SHA1PRNG"));
+ MessageDigest salted_password = newDigest();
+ salted_password.update(salt.toByteArray());
+ salted_password.update(password.getBytes());
+ return salted_password.digest();
+ } catch (NoSuchAlgorithmException e) {
+ // TODO Auto-generated catch block
+ e.printStackTrace();
+ }
+ return null;
+ }
/**
* Calculates the parameter V of the SRP-6a algorithm.
- * @param k_string constant k predefined by the SRP server implementation.
* @return the value of V
*/
- private BigInteger calculateV(String k_string) {
+ public BigInteger calculateV() {
+ String k_string = "bf66c44a428916cad64aa7c679f3fd897ad4c375e9bbb4cbf2f5de241d618ef0";
BigInteger k = new BigInteger(k_string, 16);
BigInteger v = k.multiply(g.modPow(x, N)); // g^x % N
return v;
@@ -217,8 +230,7 @@ public class LeapSRPSession {
this.x = new BigInteger(1, xb);
// Calculate v = kg^x mod N
- String k_string = "bf66c44a428916cad64aa7c679f3fd897ad4c375e9bbb4cbf2f5de241d618ef0";
- this.v = calculateV(k_string);
+ this.v = calculateV();
// H(N)
byte[] digest_of_n = newDigest().digest(N_bytes);