diff options
Diffstat (limited to 'core/src/test/java/org/bouncycastle/crypto/test/SRP6Test.java')
| -rw-r--r-- | core/src/test/java/org/bouncycastle/crypto/test/SRP6Test.java | 276 |
1 files changed, 0 insertions, 276 deletions
diff --git a/core/src/test/java/org/bouncycastle/crypto/test/SRP6Test.java b/core/src/test/java/org/bouncycastle/crypto/test/SRP6Test.java deleted file mode 100644 index 349c2197..00000000 --- a/core/src/test/java/org/bouncycastle/crypto/test/SRP6Test.java +++ /dev/null @@ -1,276 +0,0 @@ -package org.bouncycastle.crypto.test; - -import java.math.BigInteger; -import java.security.SecureRandom; - -import org.bouncycastle.crypto.CryptoException; -import org.bouncycastle.crypto.agreement.srp.SRP6Client; -import org.bouncycastle.crypto.agreement.srp.SRP6Server; -import org.bouncycastle.crypto.agreement.srp.SRP6Util; -import org.bouncycastle.crypto.agreement.srp.SRP6VerifierGenerator; -import org.bouncycastle.crypto.digests.SHA1Digest; -import org.bouncycastle.crypto.digests.SHA256Digest; -import org.bouncycastle.crypto.generators.DHParametersGenerator; -import org.bouncycastle.crypto.params.DHParameters; -import org.bouncycastle.util.encoders.Hex; -import org.bouncycastle.util.test.SimpleTest; - -public class SRP6Test extends SimpleTest -{ - private static final BigInteger ZERO = BigInteger.valueOf(0); - - private static BigInteger fromHex(String hex) - { - return new BigInteger(1, Hex.decode(hex)); - } - - // 1024 bit example prime from RFC5054 and corresponding generator - private static final BigInteger N_1024 = fromHex("EEAF0AB9ADB38DD69C33F80AFA8FC5E86072618775FF3C0B9EA2314C" - + "9C256576D674DF7496EA81D3383B4813D692C6E0E0D5D8E250B98BE4" - + "8E495C1D6089DAD15DC7D7B46154D6B6CE8EF4AD69B15D4982559B29" - + "7BCF1885C529F566660E57EC68EDBC3C05726CC02FD4CBF4976EAA9A" - + "FD5138FE8376435B9FC61D2FC0EB06E3"); - private static final BigInteger g_1024 = BigInteger.valueOf(2); - - private final SecureRandom random = new SecureRandom(); - - public String getName() - { - return "SRP6"; - } - - public void performTest() throws Exception - { - rfc5054AppendixBTestVectors(); - - testMutualVerification(N_1024, g_1024); - testClientCatchesBadB(N_1024, g_1024); - testServerCatchesBadA(N_1024, g_1024); - - testWithRandomParams(256); - testWithRandomParams(384); - testWithRandomParams(512); - } - - private void rfc5054AppendixBTestVectors() throws Exception - { - byte[] I = "alice".getBytes("UTF8"); - byte[] P = "password123".getBytes("UTF8"); - byte[] s = Hex.decode("BEB25379D1A8581EB5A727673A2441EE"); - BigInteger N = N_1024; - BigInteger g = g_1024; - BigInteger a = fromHex("60975527035CF2AD1989806F0407210BC81EDC04E2762A56AFD529DDDA2D4393"); - BigInteger b = fromHex("E487CB59D31AC550471E81F00F6928E01DDA08E974A004F49E61F5D105284D20"); - - BigInteger expect_k = fromHex("7556AA045AEF2CDD07ABAF0F665C3E818913186F"); - BigInteger expect_x = fromHex("94B7555AABE9127CC58CCF4993DB6CF84D16C124"); - BigInteger expect_v = fromHex("7E273DE8696FFC4F4E337D05B4B375BEB0DDE1569E8FA00A9886D812" - + "9BADA1F1822223CA1A605B530E379BA4729FDC59F105B4787E5186F5" - + "C671085A1447B52A48CF1970B4FB6F8400BBF4CEBFBB168152E08AB5" - + "EA53D15C1AFF87B2B9DA6E04E058AD51CC72BFC9033B564E26480D78" - + "E955A5E29E7AB245DB2BE315E2099AFB"); - BigInteger expect_A = fromHex("61D5E490F6F1B79547B0704C436F523DD0E560F0C64115BB72557EC4" - + "4352E8903211C04692272D8B2D1A5358A2CF1B6E0BFCF99F921530EC" - + "8E39356179EAE45E42BA92AEACED825171E1E8B9AF6D9C03E1327F44" - + "BE087EF06530E69F66615261EEF54073CA11CF5858F0EDFDFE15EFEA" - + "B349EF5D76988A3672FAC47B0769447B"); - BigInteger expect_B = fromHex("BD0C61512C692C0CB6D041FA01BB152D4916A1E77AF46AE105393011" - + "BAF38964DC46A0670DD125B95A981652236F99D9B681CBF87837EC99" - + "6C6DA04453728610D0C6DDB58B318885D7D82C7F8DEB75CE7BD4FBAA" - + "37089E6F9C6059F388838E7A00030B331EB76840910440B1B27AAEAE" - + "EB4012B7D7665238A8E3FB004B117B58"); - BigInteger expect_u = fromHex("CE38B9593487DA98554ED47D70A7AE5F462EF019"); - BigInteger expect_S = fromHex("B0DC82BABCF30674AE450C0287745E7990A3381F63B387AAF271A10D" - + "233861E359B48220F7C4693C9AE12B0A6F67809F0876E2D013800D6C" - + "41BB59B6D5979B5C00A172B4A2A5903A0BDCAF8A709585EB2AFAFA8F" - + "3499B200210DCC1F10EB33943CD67FC88A2F39A4BE5BEC4EC0A3212D" - + "C346D7E474B29EDE8A469FFECA686E5A"); - - BigInteger k = SRP6Util.calculateK(new SHA1Digest(), N, g); - if (!k.equals(expect_k)) - { - fail("wrong value of 'k'"); - } - - BigInteger x = SRP6Util.calculateX(new SHA1Digest(), N, s, I, P); - if (!x.equals(expect_x)) - { - fail("wrong value of 'x'"); - } - - SRP6VerifierGenerator gen = new SRP6VerifierGenerator(); - gen.init(N, g, new SHA1Digest()); - BigInteger v = gen.generateVerifier(s, I, P); - if (!v.equals(expect_v)) - { - fail("wrong value of 'v'"); - } - - final BigInteger aVal = a; - SRP6Client client = new SRP6Client() - { - protected BigInteger selectPrivateValue() - { - return aVal; - } - }; - client.init(N, g, new SHA1Digest(), random); - - BigInteger A = client.generateClientCredentials(s, I, P); - if (!A.equals(expect_A)) - { - fail("wrong value of 'A'"); - } - - final BigInteger bVal = b; - SRP6Server server = new SRP6Server() - { - protected BigInteger selectPrivateValue() - { - return bVal; - } - }; - server.init(N, g, v, new SHA1Digest(), random); - - BigInteger B = server.generateServerCredentials(); - if (!B.equals(expect_B)) - { - fail("wrong value of 'B'"); - } - - BigInteger u = SRP6Util.calculateU(new SHA1Digest(), N, A, B); - if (!u.equals(expect_u)) - { - fail("wrong value of 'u'"); - } - - BigInteger clientS = client.calculateSecret(B); - if (!clientS.equals(expect_S)) - { - fail("wrong value of 'S' (client)"); - } - - BigInteger serverS = server.calculateSecret(A); - if (!serverS.equals(expect_S)) - { - fail("wrong value of 'S' (server)"); - } - } - - private void testWithRandomParams(int bits) throws CryptoException - { - DHParametersGenerator paramGen = new DHParametersGenerator(); - paramGen.init(bits, 25, random); - DHParameters parameters = paramGen.generateParameters(); - - BigInteger g = parameters.getG(); - BigInteger p = parameters.getP(); - - testMutualVerification(p, g); - } - - private void testMutualVerification(BigInteger N, BigInteger g) throws CryptoException - { - byte[] I = "username".getBytes(); - byte[] P = "password".getBytes(); - byte[] s = new byte[16]; - random.nextBytes(s); - - SRP6VerifierGenerator gen = new SRP6VerifierGenerator(); - gen.init(N, g, new SHA256Digest()); - BigInteger v = gen.generateVerifier(s, I, P); - - SRP6Client client = new SRP6Client(); - client.init(N, g, new SHA256Digest(), random); - - SRP6Server server = new SRP6Server(); - server.init(N, g, v, new SHA256Digest(), random); - - BigInteger A = client.generateClientCredentials(s, I, P); - BigInteger B = server.generateServerCredentials(); - - BigInteger clientS = client.calculateSecret(B); - BigInteger serverS = server.calculateSecret(A); - - if (!clientS.equals(serverS)) - { - fail("SRP agreement failed - client/server calculated different secrets"); - } - } - - private void testClientCatchesBadB(BigInteger N, BigInteger g) - { - byte[] I = "username".getBytes(); - byte[] P = "password".getBytes(); - byte[] s = new byte[16]; - random.nextBytes(s); - - SRP6Client client = new SRP6Client(); - client.init(N, g, new SHA256Digest(), random); - - client.generateClientCredentials(s, I, P); - - try - { - client.calculateSecret(ZERO); - fail("Client failed to detect invalid value for 'B'"); - } - catch (CryptoException e) - { - // Expected - } - - try - { - client.calculateSecret(N); - fail("Client failed to detect invalid value for 'B'"); - } - catch (CryptoException e) - { - // Expected - } - } - - private void testServerCatchesBadA(BigInteger N, BigInteger g) - { - byte[] I = "username".getBytes(); - byte[] P = "password".getBytes(); - byte[] s = new byte[16]; - random.nextBytes(s); - - SRP6VerifierGenerator gen = new SRP6VerifierGenerator(); - gen.init(N, g, new SHA256Digest()); - BigInteger v = gen.generateVerifier(s, I, P); - - SRP6Server server = new SRP6Server(); - server.init(N, g, v, new SHA256Digest(), random); - - server.generateServerCredentials(); - - try - { - server.calculateSecret(ZERO); - fail("Client failed to detect invalid value for 'A'"); - } - catch (CryptoException e) - { - // Expected - } - - try - { - server.calculateSecret(N); - fail("Client failed to detect invalid value for 'A'"); - } - catch (CryptoException e) - { - // Expected - } - } - - public static void main(String[] args) - { - runTest(new SRP6Test()); - } -} - |