You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
109 lines
2.7 KiB
109 lines
2.7 KiB
1 year ago
|
#if !BESTHTTP_DISABLE_ALTERNATE_SSL && (!UNITY_WEBGL || UNITY_EDITOR)
|
||
|
#pragma warning disable
|
||
|
using System;
|
||
|
|
||
|
using BestHTTP.SecureProtocol.Org.BouncyCastle.Crypto.Utilities;
|
||
|
using BestHTTP.SecureProtocol.Org.BouncyCastle.Utilities;
|
||
|
|
||
|
namespace BestHTTP.SecureProtocol.Org.BouncyCastle.Crypto.Digests
|
||
|
{
|
||
|
/**
|
||
|
* Draft FIPS 180-2 implementation of SHA-512. <b>Note:</b> As this is
|
||
|
* based on a draft this implementation is subject to change.
|
||
|
*
|
||
|
* <pre>
|
||
|
* block word digest
|
||
|
* SHA-1 512 32 160
|
||
|
* SHA-256 512 32 256
|
||
|
* SHA-384 1024 64 384
|
||
|
* SHA-512 1024 64 512
|
||
|
* </pre>
|
||
|
*/
|
||
|
public class Sha512Digest
|
||
|
: LongDigest
|
||
|
{
|
||
|
private const int DigestLength = 64;
|
||
|
|
||
|
public Sha512Digest()
|
||
|
{
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* Copy constructor. This will copy the state of the provided
|
||
|
* message digest.
|
||
|
*/
|
||
|
public Sha512Digest(
|
||
|
Sha512Digest t)
|
||
|
: base(t)
|
||
|
{
|
||
|
}
|
||
|
|
||
|
public override string AlgorithmName
|
||
|
{
|
||
|
get { return "SHA-512"; }
|
||
|
}
|
||
|
|
||
|
public override int GetDigestSize()
|
||
|
{
|
||
|
return DigestLength;
|
||
|
}
|
||
|
|
||
|
public override int DoFinal(
|
||
|
byte[] output,
|
||
|
int outOff)
|
||
|
{
|
||
|
Finish();
|
||
|
|
||
|
Pack.UInt64_To_BE(H1, output, outOff);
|
||
|
Pack.UInt64_To_BE(H2, output, outOff + 8);
|
||
|
Pack.UInt64_To_BE(H3, output, outOff + 16);
|
||
|
Pack.UInt64_To_BE(H4, output, outOff + 24);
|
||
|
Pack.UInt64_To_BE(H5, output, outOff + 32);
|
||
|
Pack.UInt64_To_BE(H6, output, outOff + 40);
|
||
|
Pack.UInt64_To_BE(H7, output, outOff + 48);
|
||
|
Pack.UInt64_To_BE(H8, output, outOff + 56);
|
||
|
|
||
|
Reset();
|
||
|
|
||
|
return DigestLength;
|
||
|
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* reset the chaining variables
|
||
|
*/
|
||
|
public override void Reset()
|
||
|
{
|
||
|
base.Reset();
|
||
|
|
||
|
/* SHA-512 initial hash value
|
||
|
* The first 64 bits of the fractional parts of the square roots
|
||
|
* of the first eight prime numbers
|
||
|
*/
|
||
|
H1 = 0x6a09e667f3bcc908;
|
||
|
H2 = 0xbb67ae8584caa73b;
|
||
|
H3 = 0x3c6ef372fe94f82b;
|
||
|
H4 = 0xa54ff53a5f1d36f1;
|
||
|
H5 = 0x510e527fade682d1;
|
||
|
H6 = 0x9b05688c2b3e6c1f;
|
||
|
H7 = 0x1f83d9abfb41bd6b;
|
||
|
H8 = 0x5be0cd19137e2179;
|
||
|
}
|
||
|
|
||
|
public override IMemoable Copy()
|
||
|
{
|
||
|
return new Sha512Digest(this);
|
||
|
}
|
||
|
|
||
|
public override void Reset(IMemoable other)
|
||
|
{
|
||
|
Sha512Digest d = (Sha512Digest)other;
|
||
|
|
||
|
CopyIn(d);
|
||
|
}
|
||
|
|
||
|
}
|
||
|
}
|
||
|
#pragma warning restore
|
||
|
#endif
|