80 lines
1.7 KiB
C#
80 lines
1.7 KiB
C#
using System;
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namespace Org.BouncyCastle.Crypto.Utilities
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{
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internal sealed class Pack
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{
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private Pack()
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{
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}
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internal static void UInt32_To_BE(uint n, byte[] bs)
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{
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bs[0] = (byte)(n >> 24);
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bs[1] = (byte)(n >> 16);
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bs[2] = (byte)(n >> 8);
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bs[3] = (byte)(n );
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}
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internal static void UInt32_To_BE(uint n, byte[] bs, int off)
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{
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bs[off++] = (byte)(n >> 24);
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bs[off++] = (byte)(n >> 16);
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bs[off++] = (byte)(n >> 8);
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bs[off ] = (byte)(n );
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}
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internal static uint BE_To_UInt32(byte[] bs)
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{
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uint n = (uint)bs[0] << 24;
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n |= (uint)bs[1] << 16;
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n |= (uint)bs[2] << 8;
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n |= (uint)bs[3];
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return n;
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}
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internal static uint BE_To_UInt32(byte[] bs, int off)
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{
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uint n = (uint)bs[off++] << 24;
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n |= (uint)bs[off++] << 16;
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n |= (uint)bs[off++] << 8;
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n |= (uint)bs[off];
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return n;
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}
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internal static void UInt32_To_LE(uint n, byte[] bs)
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{
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bs[0] = (byte)(n );
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bs[1] = (byte)(n >> 8);
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bs[2] = (byte)(n >> 16);
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bs[3] = (byte)(n >> 24);
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}
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internal static void UInt32_To_LE(uint n, byte[] bs, int off)
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{
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bs[off++] = (byte)(n );
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bs[off++] = (byte)(n >> 8);
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bs[off++] = (byte)(n >> 16);
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bs[off ] = (byte)(n >> 24);
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}
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internal static uint LE_To_UInt32(byte[] bs)
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{
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uint n = (uint)bs[0];
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n |= (uint)bs[1] << 8;
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n |= (uint)bs[2] << 16;
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n |= (uint)bs[3] << 24;
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return n;
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}
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internal static uint LE_To_UInt32(byte[] bs, int off)
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{
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uint n = (uint)bs[off++];
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n |= (uint)bs[off++] << 8;
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n |= (uint)bs[off++] << 16;
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n |= (uint)bs[off] << 24;
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return n;
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}
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}
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}
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