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Merge pull request #1335 from disarray2077/patch-1

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Add Stream support to Cryptography classes
This commit is contained in:
Brian Fiete 2022-01-02 11:58:18 +01:00 • committed by GitHub
commit 308eae6341
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2 changed files with 70 additions and 4 deletions
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23
BeefLibs/corlib/src/Security/Cryptography/MD5.bf
View file

@ -1,3 +1,5 @@
using system.IO;
namespace System.Security.Cryptography namespace System.Security.Cryptography
{ {
struct HashEncode struct HashEncode
@ -343,5 +345,26 @@ namespace System.Security.Cryptography
md5.Update(data); md5.Update(data);
return md5.Finish(); return md5.Finish();
} }
public static Result<MD5Hash> Hash(Stream stream)
{
let md5 = scope MD5();
loop: while (true)
{
uint8[4096] buffer;
switch (stream.TryRead(.(&buffer, 4096)))
{
case .Ok(let bytes):
if (bytes == 0)
break loop;
md5.Update(.(&buffer, bytes));
case .Err(let err):
return .Err(err);
}
}
return md5.Finish();
}
} }
} }

51
BeefLibs/corlib/src/Security/Cryptography/SHA256.bf
View file

@ -1,3 +1,5 @@
using System.IO;
namespace System.Security.Cryptography namespace System.Security.Cryptography
{ {
struct SHA256Hash struct SHA256Hash
@ -42,9 +44,29 @@ namespace System.Security.Cryptography
return true; return true;
} }
} }
public override void ToString(String strBuffer)
{
for (let val in mHash)
{
val.ToString(strBuffer, "X2", null);
}
} }
struct SHA256 public void Encode(String outStr)
{
#unwarn
HashEncode.HashEncode64(((uint64*)&mHash)[0], outStr);
#unwarn
HashEncode.HashEncode64(((uint64*)&mHash)[1], outStr);
#unwarn
HashEncode.HashEncode64(((uint64*)&mHash)[2], outStr);
#unwarn
HashEncode.HashEncode64(((uint64*)&mHash)[3], outStr);
}
}
class SHA256
{ {
int mDataLen; int mDataLen;
int mBitLength; int mBitLength;
@ -112,7 +134,7 @@ namespace System.Security.Cryptography
mData = .(?); mData = .(?);
} }
void Transform() mut void Transform()
{ {
uint32 a, b, c, d, e, f, g, h, i, j, t1, t2; uint32 a, b, c, d, e, f, g, h, i, j, t1, t2;
uint32[64] m = ?; uint32[64] m = ?;
@ -155,7 +177,7 @@ namespace System.Security.Cryptography
mState[7] += h; mState[7] += h;
} }
public void Update(Span<uint8> data) mut public void Update(Span<uint8> data)
{ {
for (int i = 0; i < data.Length; ++i) for (int i = 0; i < data.Length; ++i)
{ {
@ -170,7 +192,7 @@ namespace System.Security.Cryptography
} }
} }
public SHA256Hash Finish() mut public SHA256Hash Finish()
{ {
int i = mDataLen; int i = mDataLen;
@ -228,5 +250,26 @@ namespace System.Security.Cryptography
sha256.Update(data); sha256.Update(data);
return sha256.Finish(); return sha256.Finish();
} }
public static Result<SHA256Hash> Hash(Stream stream)
{
let sha256 = scope SHA256();
loop: while (true)
{
uint8[4096] buffer;
switch (stream.TryRead(.(&buffer, 4096)))
{
case .Ok(let bytes):
if (bytes == 0)
break loop;
sha256.Update(.(&buffer, bytes));
case .Err(let err):
return .Err(err);
}
}
return sha256.Finish();
}
} }
} }