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authorPeter Dettman <peter.dettman@bouncycastle.org>2015-05-27 12:45:42 +0700
committerPeter Dettman <peter.dettman@bouncycastle.org>2015-05-27 12:45:42 +0700
commit208363f896b38a36563750bddedd3b9b51418335 (patch)
tree3a490dc28cccb21f13c56b04536907ff93624125 /crypto/src/asn1
parentMerge branch 'pkcs5v2sha2' of https://github.com/bartland/bc-csharp into bart... (diff)
downloadBouncyCastle.NET-ed25519-208363f896b38a36563750bddedd3b9b51418335.tar.xz
Code cleanup
Diffstat (limited to 'crypto/src/asn1')
-rw-r--r--crypto/src/asn1/pkcs/PBKDF2Params.cs128
1 files changed, 69 insertions, 59 deletions
diff --git a/crypto/src/asn1/pkcs/PBKDF2Params.cs b/crypto/src/asn1/pkcs/PBKDF2Params.cs
index f629848d8..5d1e9854f 100644
--- a/crypto/src/asn1/pkcs/PBKDF2Params.cs
+++ b/crypto/src/asn1/pkcs/PBKDF2Params.cs
@@ -4,60 +4,70 @@ using Org.BouncyCastle.Math;
 
 namespace Org.BouncyCastle.Asn1.Pkcs
 {
-	public class Pbkdf2Params
-		: Asn1Encodable
-	{
+    public class Pbkdf2Params
+        : Asn1Encodable
+    {
         private static AlgorithmIdentifier algid_hmacWithSHA1 = new AlgorithmIdentifier(PkcsObjectIdentifiers.IdHmacWithSha1, DerNull.Instance);
-		private readonly Asn1OctetString	octStr;
-		private readonly DerInteger			iterationCount;
-		private readonly DerInteger			keyLength;
+
+        private readonly Asn1OctetString     octStr;
+        private readonly DerInteger          iterationCount, keyLength;
         private readonly AlgorithmIdentifier prf;
 
-		public static Pbkdf2Params GetInstance(
-			object obj)
-		{
-			if (obj == null || obj is Pbkdf2Params)
-				return (Pbkdf2Params)obj;
+        public static Pbkdf2Params GetInstance(
+            object obj)
+        {
+            if (obj == null || obj is Pbkdf2Params)
+                return (Pbkdf2Params)obj;
 
-			if (obj is Asn1Sequence)
-				return new Pbkdf2Params((Asn1Sequence)obj);
+            if (obj is Asn1Sequence)
+                return new Pbkdf2Params((Asn1Sequence)obj);
 
-			throw new ArgumentException("Unknown object in factory: " + obj.GetType().FullName, "obj");
-		}
+            throw new ArgumentException("Unknown object in factory: " + obj.GetType().FullName, "obj");
+        }
 
-		public Pbkdf2Params(
-			Asn1Sequence seq)
-		{
+        public Pbkdf2Params(
+            Asn1Sequence seq)
+        {
             if (seq.Count < 2 || seq.Count > 4)
-				throw new ArgumentException("Wrong number of elements in sequence", "seq");
+                throw new ArgumentException("Wrong number of elements in sequence", "seq");
 
-			octStr = (Asn1OctetString)seq[0];
-			iterationCount = (DerInteger)seq[1];
+            this.octStr = (Asn1OctetString)seq[0];
+            this.iterationCount = (DerInteger)seq[1];
 
             Asn1Encodable kl = null, d = null;
-            if (seq.Count > 3) 
-			{
+            if (seq.Count > 3)
+            {
                 kl = seq[2];
                 d = seq[3];
             }
             else if (seq.Count > 2)
             {
                 if (seq[2] is DerInteger)
+                {
                     kl = seq[2];
-                else 
+                }
+                else
+                {
                     d = seq[2];
+                }
+            }
+            if (kl != null)
+            {
+                keyLength = (DerInteger)kl;
+            }
+            if (d != null)
+            {
+                prf = AlgorithmIdentifier.GetInstance(d);
             }
-            if (kl != null) keyLength = (DerInteger)kl;
-            if (d != null) prf = AlgorithmIdentifier.GetInstance(d);
-		}
-
-		public Pbkdf2Params(
-			byte[] salt,
-			int iterationCount)
-		{
-			this.octStr = new DerOctetString(salt);
-			this.iterationCount = new DerInteger(iterationCount);
-		}
+        }
+
+        public Pbkdf2Params(
+            byte[] salt,
+            int iterationCount)
+        {
+            this.octStr = new DerOctetString(salt);
+            this.iterationCount = new DerInteger(iterationCount);
+        }
 
         public Pbkdf2Params(
             byte[]  salt,
@@ -68,15 +78,15 @@ namespace Org.BouncyCastle.Asn1.Pkcs
             this.keyLength = new DerInteger(keyLength);
         }
 
-	    public Pbkdf2Params(
-	        byte[] salt,
-	        int iterationCount,
+        public Pbkdf2Params(
+            byte[] salt,
+            int iterationCount,
             int keyLength,
             AlgorithmIdentifier prf)
             : this(salt, iterationCount, keyLength)
         {
             this.prf = prf;
-	    }
+        }
 
         public Pbkdf2Params(
             byte[] salt,
@@ -92,24 +102,24 @@ namespace Org.BouncyCastle.Asn1.Pkcs
             return octStr.GetOctets();
         }
 
-		public BigInteger IterationCount
-		{
-			get { return iterationCount.Value; }
-		}
+        public BigInteger IterationCount
+        {
+            get { return iterationCount.Value; }
+        }
 
-		public BigInteger KeyLength
-		{
-			get { return keyLength == null ? null : keyLength.Value; }
-		}
+        public BigInteger KeyLength
+        {
+            get { return keyLength == null ? null : keyLength.Value; }
+        }
 
-	    public bool IsDefaultPrf() 
+        public bool IsDefaultPrf
         {
-            return prf == null || prf.Equals(algid_hmacWithSHA1);
-	    }
+            get { return prf == null || prf.Equals(algid_hmacWithSHA1); }
+        }
 
         public AlgorithmIdentifier Prf
         {
-            get { return prf ?? algid_hmacWithSHA1; }
+            get { return prf != null ? prf : algid_hmacWithSHA1; }
         }
 
         public override Asn1Object ToAsn1Object()
@@ -117,16 +127,16 @@ namespace Org.BouncyCastle.Asn1.Pkcs
             Asn1EncodableVector v = new Asn1EncodableVector(
                 octStr, iterationCount);
 
-			if (keyLength != null)
-			{
-				v.Add(keyLength);
-			}
-            if (!IsDefaultPrf())
+            if (keyLength != null)
+            {
+                v.Add(keyLength);
+            }
+            if (!IsDefaultPrf)
             {
                 v.Add(prf);
             }
 
-			return new DerSequence(v);
-		}
-	}
+            return new DerSequence(v);
+        }
+    }
 }