diff options
Diffstat (limited to 'libjava/classpath/gnu/javax/crypto')
6 files changed, 54 insertions, 43 deletions
diff --git a/libjava/classpath/gnu/javax/crypto/jce/prng/ARCFourRandomSpi.java b/libjava/classpath/gnu/javax/crypto/jce/prng/ARCFourRandomSpi.java index 652793b..1129d5d 100644 --- a/libjava/classpath/gnu/javax/crypto/jce/prng/ARCFourRandomSpi.java +++ b/libjava/classpath/gnu/javax/crypto/jce/prng/ARCFourRandomSpi.java @@ -39,12 +39,17 @@ exception statement from your version. */ package gnu.javax.crypto.jce.prng; import gnu.java.security.Registry; -import gnu.javax.crypto.prng.ARCFour; + +import gnu.java.security.jce.prng.SecureRandomAdapter; + import gnu.java.security.prng.IRandom; import gnu.java.security.prng.LimitReachedException; + +import gnu.javax.crypto.prng.ARCFour; import gnu.javax.crypto.prng.PRNGFactory; import java.security.SecureRandomSpi; + import java.util.HashMap; /** @@ -71,17 +76,13 @@ public class ARCFourRandomSpi public byte[] engineGenerateSeed(int numBytes) { - if (numBytes < 1) - return new byte[0]; - byte[] result = new byte[numBytes]; - this.engineNextBytes(result); - return result; + return SecureRandomAdapter.getSeed(numBytes); } public void engineNextBytes(byte[] bytes) { if (virgin) - this.engineSetSeed(new byte[0]); + this.engineSetSeed(engineGenerateSeed(32)); try { adaptee.nextBytes(bytes, 0, bytes.length); diff --git a/libjava/classpath/gnu/javax/crypto/jce/prng/CSPRNGSpi.java b/libjava/classpath/gnu/javax/crypto/jce/prng/CSPRNGSpi.java index 6ded636..96d66f0 100644 --- a/libjava/classpath/gnu/javax/crypto/jce/prng/CSPRNGSpi.java +++ b/libjava/classpath/gnu/javax/crypto/jce/prng/CSPRNGSpi.java @@ -40,6 +40,7 @@ package gnu.javax.crypto.jce.prng; import gnu.java.security.prng.IRandom; import gnu.java.security.prng.LimitReachedException; +import gnu.java.security.jce.prng.SecureRandomAdapter; import gnu.javax.crypto.prng.CSPRNG; import java.net.MalformedURLException; @@ -53,6 +54,7 @@ public class CSPRNGSpi extends SecureRandomSpi { private final IRandom adaptee; + private boolean virgin = true; public CSPRNGSpi() throws ClassNotFoundException, MalformedURLException, NumberFormatException @@ -62,21 +64,19 @@ public class CSPRNGSpi adaptee = CSPRNG.getSystemInstance(); } - protected byte[] engineGenerateSeed(final int count) + protected byte[] engineGenerateSeed(final int numBytes) { - if (count < 0) - throw new IllegalArgumentException("count must be nonnegative"); - byte[] buf = new byte[count]; - if (count == 0) - return buf; - engineNextBytes(buf); - return buf; + return SecureRandomAdapter.getSeed(numBytes); } protected void engineNextBytes(final byte[] buffer) { if (buffer == null) throw new NullPointerException(); + if (virgin) + { + engineSetSeed(engineGenerateSeed(32)); + } try { adaptee.nextBytes(buffer, 0, buffer.length); @@ -92,5 +92,6 @@ public class CSPRNGSpi if (seed == null) throw new NullPointerException(); adaptee.addRandomBytes(seed, 0, seed.length); + virgin = false; } } diff --git a/libjava/classpath/gnu/javax/crypto/jce/prng/FortunaImpl.java b/libjava/classpath/gnu/javax/crypto/jce/prng/FortunaImpl.java index 8e3782e..b18410c 100644 --- a/libjava/classpath/gnu/javax/crypto/jce/prng/FortunaImpl.java +++ b/libjava/classpath/gnu/javax/crypto/jce/prng/FortunaImpl.java @@ -39,6 +39,9 @@ exception statement from your version. */ package gnu.javax.crypto.jce.prng; import gnu.java.security.prng.LimitReachedException; + +import gnu.java.security.jce.prng.SecureRandomAdapter; + import gnu.javax.crypto.prng.Fortuna; import java.security.SecureRandomSpi; @@ -47,19 +50,27 @@ import java.util.Collections; public final class FortunaImpl extends SecureRandomSpi { + private boolean virgin = true; private final Fortuna adaptee; public FortunaImpl() { adaptee = new Fortuna(); - adaptee.init(Collections.singletonMap(Fortuna.SEED, new byte[0])); } protected void engineSetSeed(byte[] seed) { synchronized (adaptee) { - adaptee.addRandomBytes(seed); + if (virgin) + { + adaptee.init (Collections.singletonMap (Fortuna.SEED, seed)); + virgin = false; + } + else + { + adaptee.addRandomBytes (seed); + } } } @@ -67,6 +78,10 @@ public final class FortunaImpl { synchronized (adaptee) { + if (virgin) + { + this.engineSetSeed(engineGenerateSeed(32)); + } try { adaptee.nextBytes(buffer); @@ -78,10 +93,8 @@ public final class FortunaImpl } } - protected byte[] engineGenerateSeed(int numbytes) + protected byte[] engineGenerateSeed(int numBytes) { - byte[] seed = new byte[numbytes]; - engineNextBytes(seed); - return seed; + return SecureRandomAdapter.getSeed(numBytes); } } diff --git a/libjava/classpath/gnu/javax/crypto/jce/prng/ICMRandomSpi.java b/libjava/classpath/gnu/javax/crypto/jce/prng/ICMRandomSpi.java index 9855f95..a02fd14 100644 --- a/libjava/classpath/gnu/javax/crypto/jce/prng/ICMRandomSpi.java +++ b/libjava/classpath/gnu/javax/crypto/jce/prng/ICMRandomSpi.java @@ -40,6 +40,7 @@ package gnu.javax.crypto.jce.prng; import gnu.java.security.Configuration; import gnu.java.security.Registry; +import gnu.java.security.jce.prng.SecureRandomAdapter; import gnu.java.security.prng.LimitReachedException; import gnu.javax.crypto.cipher.IBlockCipher; import gnu.javax.crypto.prng.ICMGenerator; @@ -107,19 +108,7 @@ public class ICMRandomSpi public byte[] engineGenerateSeed(int numBytes) { - if (Configuration.DEBUG) - log.entering(this.getClass().getName(), "engineGenerateSeed"); - if (numBytes < 1) - { - if (Configuration.DEBUG) - log.exiting(this.getClass().getName(), "engineGenerateSeed"); - return new byte[0]; - } - byte[] result = new byte[numBytes]; - this.engineNextBytes(result); - if (Configuration.DEBUG) - log.exiting(this.getClass().getName(), "engineGenerateSeed"); - return result; + return SecureRandomAdapter.getSeed(numBytes); } public void engineNextBytes(byte[] bytes) @@ -127,7 +116,7 @@ public class ICMRandomSpi if (Configuration.DEBUG) log.entering(this.getClass().getName(), "engineNextBytes"); if (! adaptee.isInitialised()) - this.engineSetSeed(new byte[0]); + this.engineSetSeed(engineGenerateSeed(32)); while (true) { try @@ -207,8 +196,8 @@ public class ICMRandomSpi System.arraycopy(material, 16, offset, 0, 16); attributes.put(ICMGenerator.OFFSET, offset); // specify the index - byte[] index = new byte[8]; - System.arraycopy(material, 32, index, 0, 8); + byte[] index = new byte[4]; + System.arraycopy(material, 32, index, 0, 4); attributes.put(ICMGenerator.SEGMENT_INDEX, new BigInteger(1, index)); adaptee.init(attributes); if (Configuration.DEBUG) diff --git a/libjava/classpath/gnu/javax/crypto/jce/prng/UMacRandomSpi.java b/libjava/classpath/gnu/javax/crypto/jce/prng/UMacRandomSpi.java index f6949dd..2faebe8 100644 --- a/libjava/classpath/gnu/javax/crypto/jce/prng/UMacRandomSpi.java +++ b/libjava/classpath/gnu/javax/crypto/jce/prng/UMacRandomSpi.java @@ -41,6 +41,7 @@ package gnu.javax.crypto.jce.prng; import gnu.java.security.Configuration; import gnu.java.security.Registry; import gnu.java.security.prng.LimitReachedException; +import gnu.java.security.jce.prng.SecureRandomAdapter; import gnu.javax.crypto.cipher.IBlockCipher; import gnu.javax.crypto.prng.UMacGenerator; @@ -57,6 +58,7 @@ public class UMacRandomSpi extends SecureRandomSpi { private static final Logger log = Logger.getLogger(UMacRandomSpi.class.getName()); + /** Class-wide prng to generate random material for the underlying prng. */ private static final UMacGenerator prng; // blank final static @@ -88,17 +90,13 @@ public class UMacRandomSpi public byte[] engineGenerateSeed(int numBytes) { - if (numBytes < 1) - return new byte[0]; - byte[] result = new byte[numBytes]; - this.engineNextBytes(result); - return result; + return SecureRandomAdapter.getSeed(numBytes); } public void engineNextBytes(byte[] bytes) { if (! adaptee.isInitialised()) - this.engineSetSeed(new byte[0]); + engineSetSeed(engineGenerateSeed(32)); while (true) { try diff --git a/libjava/classpath/gnu/javax/crypto/prng/ICMGenerator.java b/libjava/classpath/gnu/javax/crypto/prng/ICMGenerator.java index 5b0bd4f..d8205cf 100644 --- a/libjava/classpath/gnu/javax/crypto/prng/ICMGenerator.java +++ b/libjava/classpath/gnu/javax/crypto/prng/ICMGenerator.java @@ -263,6 +263,15 @@ public class ICMGenerator // C[0] = (s * (256^BLOCK_INDEX_LENGTH) + r) modulo (256^BLOCK_LENGTH) C0 = segmentNdx.multiply(TWO_FIFTY_SIX.pow(blockNdxLength)) .add(r).modPow(BigInteger.ONE, counterRange); + try + { + fillBlock(); + } + catch (LimitReachedException impossible) + { + throw (InternalError) + new InternalError().initCause(impossible); + } } public void fillBlock() throws LimitReachedException |