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-rw-r--r--crypto/src/crypto/BufferedAsymmetricBlockCipher.cs56
1 files changed, 20 insertions, 36 deletions
diff --git a/crypto/src/crypto/BufferedAsymmetricBlockCipher.cs b/crypto/src/crypto/BufferedAsymmetricBlockCipher.cs
index 382d6a2cb..1a20516e6 100644
--- a/crypto/src/crypto/BufferedAsymmetricBlockCipher.cs
+++ b/crypto/src/crypto/BufferedAsymmetricBlockCipher.cs
@@ -19,8 +19,7 @@ namespace Org.BouncyCastle.Crypto
         *
         * @param cipher the cipher this buffering object wraps.
         */
-        public BufferedAsymmetricBlockCipher(
-            IAsymmetricBlockCipher cipher)
+        public BufferedAsymmetricBlockCipher(IAsymmetricBlockCipher cipher)
         {
             this.cipher = cipher;
 		}
@@ -45,16 +44,14 @@ namespace Org.BouncyCastle.Crypto
 			return cipher.GetInputBlockSize();
         }
 
-		public override int GetOutputSize(
-			int length)
-		{
-			return cipher.GetOutputBlockSize();
+        public override int GetOutputSize(int length)
+        {
+            return cipher.GetOutputBlockSize();
 		}
 
-		public override int GetUpdateOutputSize(
-			int length)
-		{
-			return 0;
+        public override int GetUpdateOutputSize(int length)
+        {
+            return 0;
 		}
 
 		/**
@@ -64,9 +61,7 @@ namespace Org.BouncyCastle.Crypto
         *  encryption, if false for decryption.
         * @param param the key and other data required by the cipher.
         */
-        public override void Init(
-            bool				forEncryption,
-            ICipherParameters	parameters)
+        public override void Init(bool forEncryption, ICipherParameters parameters)
         {
 			Reset();
 
@@ -80,11 +75,9 @@ namespace Org.BouncyCastle.Crypto
 			this.bufOff = 0;
         }
 
-		public override byte[] ProcessByte(
-			byte input)
-		{
-			if (bufOff >= buffer.Length)
-				throw new DataLengthException("attempt to process message too long for cipher");
+        public override byte[] ProcessByte(byte input)
+        {
+            Check.DataLength(bufOff >= buffer.Length, "attempt to process message too long for cipher");
 
 			buffer[bufOff++] = input;
 			return null;
@@ -92,8 +85,7 @@ namespace Org.BouncyCastle.Crypto
 
         public override int ProcessByte(byte input, byte[] output, int outOff)
         {
-            if (bufOff >= buffer.Length)
-                throw new DataLengthException("attempt to process message too long for cipher");
+            Check.DataLength(bufOff >= buffer.Length, "attempt to process message too long for cipher");
 
             buffer[bufOff++] = input;
             return 0;
@@ -102,26 +94,21 @@ namespace Org.BouncyCastle.Crypto
 #if NETCOREAPP2_1_OR_GREATER || NETSTANDARD2_1_OR_GREATER
         public override int ProcessByte(byte input, Span<byte> output)
         {
-            if (bufOff >= buffer.Length)
-                throw new DataLengthException("attempt to process message too long for cipher");
+            Check.DataLength(bufOff >= buffer.Length, "attempt to process message too long for cipher");
 
             buffer[bufOff++] = input;
             return 0;
         }
 #endif
 
-        public override byte[] ProcessBytes(
-			byte[]	input,
-			int		inOff,
-			int		length)
-		{
-			if (length < 1)
+        public override byte[] ProcessBytes(byte[] input, int inOff, int length)
+        {
+            if (length < 1)
 				return null;
 
 			if (input == null)
 				throw new ArgumentNullException("input");
-			if (bufOff + length > buffer.Length)
-				throw new DataLengthException("attempt to process message too long for cipher");
+            Check.DataLength(length > buffer.Length - bufOff, "attempt to process message too long for cipher");
 
 			Array.Copy(input, inOff, buffer, bufOff, length);
 			bufOff += length;
@@ -158,12 +145,9 @@ namespace Org.BouncyCastle.Crypto
 			return outBytes;
         }
 
-		public override byte[] DoFinal(
-			byte[]	input,
-			int		inOff,
-			int		length)
-		{
-			ProcessBytes(input, inOff, length);
+        public override byte[] DoFinal(byte[] input, int inOff, int length)
+        {
+            ProcessBytes(input, inOff, length);
 			return DoFinal();
 		}