Merge "Merge remote-tracking branch 'aosp/upstream-master' into merge-152-from-upstream"

1 files changed, 131 insertions, 0 deletions

diff --git a/bcprov/src/main/java/org/bouncycastle/crypto/prng/test/DRBGTestVector.java b/bcprov/src/main/java/org/bouncycastle/crypto/prng/test/DRBGTestVector.java
new file mode 100644
index 0000000..dd6801c
--- /dev/null
+++ b/bcprov/src/main/java/org/bouncycastle/crypto/prng/test/DRBGTestVector.java
@@ -0,0 +1,131 @@
+package org.bouncycastle.crypto.prng.test;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import org.bouncycastle.crypto.BlockCipher;
+import org.bouncycastle.crypto.Digest;
+import org.bouncycastle.crypto.prng.EntropySource;
+import org.bouncycastle.util.encoders.Hex;
+
+public class DRBGTestVector
+{
+        private Digest _digest;
+        private BlockCipher _cipher;
+        private int _keySizeInBits;
+        private EntropySource _eSource;
+        private boolean _pr;
+        private String _nonce;
+        private String _personalisation;
+        private int _ss;
+        private String[] _ev;
+        private List _ai = new ArrayList();
+
+        public DRBGTestVector(Digest digest, EntropySource eSource, boolean predictionResistance, String nonce, int securityStrength, String[] expected)
+        {
+            _digest = digest;
+            _eSource = eSource;
+            _pr = predictionResistance;
+            _nonce = nonce;
+            _ss = securityStrength;
+            _ev = expected;
+            _personalisation = null;
+        }
+
+        public DRBGTestVector(BlockCipher cipher, int keySizeInBits, EntropySource eSource, boolean predictionResistance, String nonce, int securityStrength, String[] expected)
+        {
+            _cipher = cipher;
+            _keySizeInBits = keySizeInBits;
+            _eSource = eSource;
+            _pr = predictionResistance;
+            _nonce = nonce;
+            _ss = securityStrength;
+            _ev = expected;
+            _personalisation = null;
+        }
+
+        public Digest getDigest()
+        {
+            return _digest;
+        }
+
+        public BlockCipher getCipher()
+        {
+            return _cipher;
+        }
+
+        public int keySizeInBits()
+        {
+            return _keySizeInBits;
+        }
+
+        public DRBGTestVector addAdditionalInput(String input)
+        {
+            _ai.add(input);
+
+            return this;
+        }
+
+        public DRBGTestVector setPersonalizationString(String p)
+        {
+            _personalisation = p;
+
+            return this;
+        }
+
+        public EntropySource entropySource()
+        {
+            return _eSource;
+        }
+
+        public boolean predictionResistance()
+        {
+            return _pr;
+        }
+
+        public byte[] nonce()
+        {
+            if (_nonce == null)
+            {
+                return null;
+            }
+
+            return Hex.decode(_nonce);
+        }
+
+        public byte[] personalizationString()
+        {
+            if (_personalisation == null)
+            {
+                return null;
+            }
+
+            return Hex.decode(_personalisation);
+        }
+
+        public int securityStrength()
+        {
+            return _ss;
+        }
+
+        public byte[] expectedValue(int index)
+        {
+            return Hex.decode(_ev[index]);
+        }
+
+        public byte[] additionalInput(int position)
+        {
+            int len = _ai.size();
+            byte[] rv;
+            if (position >= len)
+            {
+                rv = null;
+            }
+            else
+            {
+                rv = Hex.decode((String)(_ai.get(position)));
+            }
+            return rv;
+        }
+
+    }