1 files changed, 12 insertions, 0 deletions
diff --git a/bcprov/src/main/java/org/bouncycastle/jcajce/spec/PBKDF2KeySpec.java b/bcprov/src/main/java/org/bouncycastle/jcajce/spec/PBKDF2KeySpec.java
index 214a5eb..09a9bd0 100644
--- a/bcprov/src/main/java/org/bouncycastle/jcajce/spec/PBKDF2KeySpec.java
+++ b/bcprov/src/main/java/org/bouncycastle/jcajce/spec/PBKDF2KeySpec.java
@@ -4,11 +4,23 @@ import javax.crypto.spec.PBEKeySpec;
 
 import org.bouncycastle.asn1.x509.AlgorithmIdentifier;
 
+/**
+ * Extension of PBEKeySpec which takes into account the PRF algorithm setting available in PKCS#5 PBKDF2.
+ */
 public class PBKDF2KeySpec
     extends PBEKeySpec
 {
     private AlgorithmIdentifier prf;
 
+    /**
+     * Base constructor.
+     *
+     * @param password password to use as the seed of the PBE key generator.
+     * @param salt salt to use in the generator,
+     * @param iterationCount iteration count to use in the generator.
+     * @param keySize size of the key to be generated.
+     * @param prf identifier and parameters for the PRF algorithm to use.
+     */
     public PBKDF2KeySpec(char[] password, byte[] salt, int iterationCount, int keySize, AlgorithmIdentifier prf)
     {
         super(password, salt, iterationCount, keySize);