1 files changed, 159 insertions, 0 deletions
diff --git a/libraries/spongycastle/core/src/main/jdk1.1/java/security/spec/RSAMultiPrimePrivateCrtKeySpec.java b/libraries/spongycastle/core/src/main/jdk1.1/java/security/spec/RSAMultiPrimePrivateCrtKeySpec.java
new file mode 100644
index 000000000..53c3a8a51
--- /dev/null
+++ b/libraries/spongycastle/core/src/main/jdk1.1/java/security/spec/RSAMultiPrimePrivateCrtKeySpec.java
@@ -0,0 +1,159 @@
+
+package java.security.spec;
+
+import java.math.BigInteger;
+
+/**
+ * This class specifies an RSA multi-prime private key, as defined in
+ * the PKCS#1 v2.1, using the Chinese Remainder Theorem (CRT) information
+ * values for efficiency. 
+ *
+ * @since 1.4 
+ * @see Key, KeyFactory, KeySpec, PKCS8EncodedKeySpec, RSAPrivateKeySpec,
+ *    RSAPublicKeySpec, RSAOtherPrimeInfo
+ */
+public class RSAMultiPrimePrivateCrtKeySpec
+    extends RSAPrivateKeySpec
+{
+    private BigInteger publicExponent;
+    private BigInteger privateExponent;
+    private BigInteger primeP;
+    private BigInteger primeQ;
+    private BigInteger primeExponentP;
+    private BigInteger primeExponentQ;
+    private BigInteger crtCoefficient;
+    private RSAOtherPrimeInfo[] otherPrimeInfo;
+
+    /**
+     * Creates a new RSAMultiPrimePrivateCrtKeySpec given the modulus,
+     * publicExponent, privateExponent, primeP, primeQ, primeExponentP,
+     * primeExponentQ, crtCoefficient, and otherPrimeInfo as defined in
+     * PKCS#1 v2.1. 
+     * 
+     * Note that otherPrimeInfo is cloned when constructing this object.
+     * 
+     * @param modulus - the modulus n.
+     * @param publicExponent - the public exponent e.
+     * @param privateExponent - the private exponent d.
+     * @param primeP - the prime factor p of n.
+     * @param primeQ - the prime factor q of n.
+     * @param primeExponentP - this is d mod (p-1).
+     * @param primeExponentQ - this is d mod (q-1).
+     * @param crtCoefficient - the Chinese Remainder Theorem coefficient q-1
+     *    mod p.
+     * @param otherPrimeInfo - triplets of the rest of primes, null can be
+     *    specified if there are only two prime factors (p and q). 
+     * @throws NullPointerException - if any of the parameters, i.e. modulus,
+     *    publicExponent, privateExponent, primeP, primeQ, primeExponentP,
+     *    primeExponentQ, crtCoefficient, is null. 
+     * @throws IllegalArgumentException - if an empty, i.e. 0-length,
+     *    otherPrimeInfo is specified.
+     */
+    public RSAMultiPrimePrivateCrtKeySpec(
+        BigInteger modulus,
+        BigInteger publicExponent,
+        BigInteger privateExponent,
+        BigInteger primeP,
+        BigInteger primeQ,
+        BigInteger primeExponentP,
+        BigInteger primeExponentQ,
+        BigInteger crtCoefficient,
+        RSAOtherPrimeInfo[] otherPrimeInfo)
+    {
+        super(modulus, privateExponent);
+
+        if ( publicExponent == null || primeP == null || primeQ == null
+                || primeExponentP == null || primeExponentQ == null
+                || crtCoefficient == null )
+        {
+            throw new NullPointerException("Invalid null argument");
+        }
+
+        if ( otherPrimeInfo != null )
+        {
+            if ( otherPrimeInfo.length == 0 )
+            {
+                throw new IllegalArgumentException("Invalid length for otherPrimeInfo");
+            }
+
+            this.otherPrimeInfo = (RSAOtherPrimeInfo[])otherPrimeInfo.clone();
+        }
+    }
+
+    /**
+     * Returns the public exponent. 
+     * 
+     * @returns the public exponent.
+     */
+    public BigInteger getPublicExponent()
+    {
+        return publicExponent;
+    }
+
+    /**
+     * Returns the primeP.
+     * 
+     * @returns the primeP.
+     */
+    public BigInteger getPrimeP()
+    {
+        return primeP;
+    }
+
+    /**
+     * Returns the primeQ.
+     * 
+     * @returns the primeQ.
+     */
+    public BigInteger getPrimeQ()
+    {
+        return primeQ;
+    }
+
+    /**
+     * Returns the primeExponentP.
+     * 
+     * @returns the primeExponentP.
+     */
+    public BigInteger getPrimeExponentP()
+    {
+        return primeExponentP;
+    }
+
+    /**
+     * Returns the primeExponentQ.
+     * 
+     * @returns the primeExponentQ.
+     */
+    public BigInteger getPrimeExponentQ()
+    {
+        return primeExponentQ;
+    }
+
+    /**
+     * Returns the crtCofficient.
+     * 
+     * @returns the crtCofficient.
+     */
+    public BigInteger getCrtCoefficient()
+    {
+        return crtCoefficient;
+    }
+
+    /**
+     * Returns a copy of the otherPrimeInfo or null if there are only
+     * two prime factors (p and q). 
+     *
+     * @returns the otherPrimeInfo.
+     */
+    public RSAOtherPrimeInfo[] getOtherPrimeInfo()
+    {
+        if ( otherPrimeInfo != null )
+        {
+            return (RSAOtherPrimeInfo[])otherPrimeInfo.clone();
+        }
+
+        return null;
+    }
+}
+