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dont reinvent base64 decoding

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This commit is contained in:
Chris Forbes
2012-02-11 12:21:12 +13:00
parent 3cf09e656f
commit a5cfc20e0b
1 changed files with 1 additions and 35 deletions
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36
OpenRA.FileFormats/FileFormats/BlowfishKeyProvider.cs
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@@ -19,24 +19,6 @@ namespace OpenRA.FileFormats
{ {
const string pubkeyStr = "AihRvNoIbTn85FZRYNZRcT+i6KpU+maCsEqr3Q5q+LDB5tH7Tz2qQ38V"; const string pubkeyStr = "AihRvNoIbTn85FZRYNZRcT+i6KpU+maCsEqr3Q5q+LDB5tH7Tz2qQ38V";
static sbyte[] char2num = {
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 62, -1, -1, -1, 63,
52, 53, 54, 55, 56, 57, 58, 59, 60, 61, -1, -1, -1, -1, -1, -1,
-1, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14,
15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, -1, -1, -1, -1, -1,
-1, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40,
41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, -1, -1, -1, -1, -1,
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1};
class PublicKey class PublicKey
{ {
public uint[] key1 = new uint[64]; public uint[] key1 = new uint[64];
@@ -128,25 +110,9 @@ namespace OpenRA.FileFormats
void init_pubkey() void init_pubkey()
{ {
int i = 0;
uint i2, tmp;
byte[] keytmp = new byte[256];
init_bignum(pubkey.key2, 0x10001, 64); init_bignum(pubkey.key2, 0x10001, 64);
i2 = 0; key_to_bignum(pubkey.key1, Convert.FromBase64String(pubkeyStr), 64);
while (i < pubkeyStr.Length)
{
tmp = (uint)char2num[pubkeyStr[i++]];
tmp <<= 6; tmp |= (uint)(byte)char2num[pubkeyStr[i++]];
tmp <<= 6; tmp |= (uint)(byte)char2num[pubkeyStr[i++]];
tmp <<= 6; tmp |= (uint)(byte)char2num[pubkeyStr[i++]];
keytmp[i2++] = (byte)((tmp >> 16) & 0xff);
keytmp[i2++] = (byte)((tmp >> 8) & 0xff);
keytmp[i2++] = (byte)(tmp & 0xff);
}
key_to_bignum(pubkey.key1, keytmp, 64);
pubkey.len = bitlen_bignum(pubkey.key1, 64) - 1; pubkey.len = bitlen_bignum(pubkey.key1, 64) - 1;
} }