Pack
namespace Renci.SshNet.Security.Org.BouncyCastle.Crypto.Utilities
{
internal sealed class Pack
{
private Pack()
{
}
internal static void UInt16_To_BE(ushort n, byte[] bs)
{
bs[0] = (byte)(n >> 8);
bs[1] = (byte)n;
}
internal static void UInt16_To_BE(ushort n, byte[] bs, int off)
{
bs[off] = (byte)(n >> 8);
bs[off + 1] = (byte)n;
}
internal static ushort BE_To_UInt16(byte[] bs)
{
return (ushort)((bs[0] << 8) | bs[1]);
}
internal static ushort BE_To_UInt16(byte[] bs, int off)
{
return (ushort)((bs[off] << 8) | bs[off + 1]);
}
internal static byte[] UInt32_To_BE(uint n)
{
byte[] array = new byte[4];
UInt32_To_BE(n, array, 0);
return array;
}
internal static void UInt32_To_BE(uint n, byte[] bs)
{
bs[0] = (byte)(n >> 24);
bs[1] = (byte)(n >> 16);
bs[2] = (byte)(n >> 8);
bs[3] = (byte)n;
}
internal static void UInt32_To_BE(uint n, byte[] bs, int off)
{
bs[off] = (byte)(n >> 24);
bs[off + 1] = (byte)(n >> 16);
bs[off + 2] = (byte)(n >> 8);
bs[off + 3] = (byte)n;
}
internal static byte[] UInt32_To_BE(uint[] ns)
{
byte[] array = new byte[4 * ns.Length];
UInt32_To_BE(ns, array, 0);
return array;
}
internal static void UInt32_To_BE(uint[] ns, byte[] bs, int off)
{
for (int i = 0; i < ns.Length; i++) {
UInt32_To_BE(ns[i], bs, off);
off += 4;
}
}
internal static uint BE_To_UInt32(byte[] bs)
{
return (uint)((bs[0] << 24) | (bs[1] << 16) | (bs[2] << 8) | bs[3]);
}
internal static uint BE_To_UInt32(byte[] bs, int off)
{
return (uint)((bs[off] << 24) | (bs[off + 1] << 16) | (bs[off + 2] << 8) | bs[off + 3]);
}
internal static void BE_To_UInt32(byte[] bs, int off, uint[] ns)
{
for (int i = 0; i < ns.Length; i++) {
ns[i] = BE_To_UInt32(bs, off);
off += 4;
}
}
internal static byte[] UInt64_To_BE(ulong n)
{
byte[] array = new byte[8];
UInt64_To_BE(n, array, 0);
return array;
}
internal static void UInt64_To_BE(ulong n, byte[] bs)
{
UInt32_To_BE((uint)(n >> 32), bs);
UInt32_To_BE((uint)n, bs, 4);
}
internal static void UInt64_To_BE(ulong n, byte[] bs, int off)
{
UInt32_To_BE((uint)(n >> 32), bs, off);
UInt32_To_BE((uint)n, bs, off + 4);
}
internal static byte[] UInt64_To_BE(ulong[] ns)
{
byte[] array = new byte[8 * ns.Length];
UInt64_To_BE(ns, array, 0);
return array;
}
internal static void UInt64_To_BE(ulong[] ns, byte[] bs, int off)
{
for (int i = 0; i < ns.Length; i++) {
UInt64_To_BE(ns[i], bs, off);
off += 8;
}
}
internal static ulong BE_To_UInt64(byte[] bs)
{
uint num = BE_To_UInt32(bs);
uint num2 = BE_To_UInt32(bs, 4);
return ((ulong)num << 32) | num2;
}
internal static ulong BE_To_UInt64(byte[] bs, int off)
{
uint num = BE_To_UInt32(bs, off);
uint num2 = BE_To_UInt32(bs, off + 4);
return ((ulong)num << 32) | num2;
}
internal static void BE_To_UInt64(byte[] bs, int off, ulong[] ns)
{
for (int i = 0; i < ns.Length; i++) {
ns[i] = BE_To_UInt64(bs, off);
off += 8;
}
}
internal static void UInt16_To_LE(ushort n, byte[] bs)
{
bs[0] = (byte)n;
bs[1] = (byte)(n >> 8);
}
internal static void UInt16_To_LE(ushort n, byte[] bs, int off)
{
bs[off] = (byte)n;
bs[off + 1] = (byte)(n >> 8);
}
internal static ushort LE_To_UInt16(byte[] bs)
{
return (ushort)(bs[0] | (bs[1] << 8));
}
internal static ushort LE_To_UInt16(byte[] bs, int off)
{
return (ushort)(bs[off] | (bs[off + 1] << 8));
}
internal static byte[] UInt32_To_LE(uint n)
{
byte[] array = new byte[4];
UInt32_To_LE(n, array, 0);
return array;
}
internal static void UInt32_To_LE(uint n, byte[] bs)
{
bs[0] = (byte)n;
bs[1] = (byte)(n >> 8);
bs[2] = (byte)(n >> 16);
bs[3] = (byte)(n >> 24);
}
internal static void UInt32_To_LE(uint n, byte[] bs, int off)
{
bs[off] = (byte)n;
bs[off + 1] = (byte)(n >> 8);
bs[off + 2] = (byte)(n >> 16);
bs[off + 3] = (byte)(n >> 24);
}
internal static byte[] UInt32_To_LE(uint[] ns)
{
byte[] array = new byte[4 * ns.Length];
UInt32_To_LE(ns, array, 0);
return array;
}
internal static void UInt32_To_LE(uint[] ns, byte[] bs, int off)
{
for (int i = 0; i < ns.Length; i++) {
UInt32_To_LE(ns[i], bs, off);
off += 4;
}
}
internal static uint LE_To_UInt32(byte[] bs)
{
return (uint)(bs[0] | (bs[1] << 8) | (bs[2] << 16) | (bs[3] << 24));
}
internal static uint LE_To_UInt32(byte[] bs, int off)
{
return (uint)(bs[off] | (bs[off + 1] << 8) | (bs[off + 2] << 16) | (bs[off + 3] << 24));
}
internal static void LE_To_UInt32(byte[] bs, int off, uint[] ns)
{
for (int i = 0; i < ns.Length; i++) {
ns[i] = LE_To_UInt32(bs, off);
off += 4;
}
}
internal static void LE_To_UInt32(byte[] bs, int bOff, uint[] ns, int nOff, int count)
{
for (int i = 0; i < count; i++) {
ns[nOff + i] = LE_To_UInt32(bs, bOff);
bOff += 4;
}
}
internal static uint[] LE_To_UInt32(byte[] bs, int off, int count)
{
uint[] array = new uint[count];
for (int i = 0; i < array.Length; i++) {
array[i] = LE_To_UInt32(bs, off);
off += 4;
}
return array;
}
internal static byte[] UInt64_To_LE(ulong n)
{
byte[] array = new byte[8];
UInt64_To_LE(n, array, 0);
return array;
}
internal static void UInt64_To_LE(ulong n, byte[] bs)
{
UInt32_To_LE((uint)n, bs);
UInt32_To_LE((uint)(n >> 32), bs, 4);
}
internal static void UInt64_To_LE(ulong n, byte[] bs, int off)
{
UInt32_To_LE((uint)n, bs, off);
UInt32_To_LE((uint)(n >> 32), bs, off + 4);
}
internal static byte[] UInt64_To_LE(ulong[] ns)
{
byte[] array = new byte[8 * ns.Length];
UInt64_To_LE(ns, array, 0);
return array;
}
internal static void UInt64_To_LE(ulong[] ns, byte[] bs, int off)
{
for (int i = 0; i < ns.Length; i++) {
UInt64_To_LE(ns[i], bs, off);
off += 8;
}
}
internal static void UInt64_To_LE(ulong[] ns, int nsOff, int nsLen, byte[] bs, int bsOff)
{
for (int i = 0; i < nsLen; i++) {
UInt64_To_LE(ns[nsOff + i], bs, bsOff);
bsOff += 8;
}
}
internal static ulong LE_To_UInt64(byte[] bs)
{
uint num = LE_To_UInt32(bs);
return ((ulong)LE_To_UInt32(bs, 4) << 32) | num;
}
internal static ulong LE_To_UInt64(byte[] bs, int off)
{
uint num = LE_To_UInt32(bs, off);
return ((ulong)LE_To_UInt32(bs, off + 4) << 32) | num;
}
internal static void LE_To_UInt64(byte[] bs, int off, ulong[] ns)
{
for (int i = 0; i < ns.Length; i++) {
ns[i] = LE_To_UInt64(bs, off);
off += 8;
}
}
internal static void LE_To_UInt64(byte[] bs, int bsOff, ulong[] ns, int nsOff, int nsLen)
{
for (int i = 0; i < nsLen; i++) {
ns[nsOff + i] = LE_To_UInt64(bs, bsOff);
bsOff += 8;
}
}
}
}