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hmbsbige / cryptobase Goto Github PK

A fast crypto library for .NET

License: MIT License

C# 99.04% PowerShell 0.22% Rust 0.74%

sm4 aes chacha20 chacha20-poly1305 xchacha20-poly1305 xchacha20 salsa20 xsalsa20 rc4 cryptography hex base32 hmac crc32 hkdf sm3

cryptobase's Introduction

CryptoBase

Channel	Status
CI
CryptoBase
CryptoBase.Abstractions
CryptoBase.BouncyCastle

A fast crypto library for .NET

Wiki

Status

Icon	Description
⚠️	Pending
⏳	Underway
✅	Done

Digest algorithms

Digests	Status
Blake3	⏳
CRC-32	✅
CRC-32C	✅
MD5	✅
SHA1	✅
SHA224	✅
SHA256	✅
SHA384	✅
SHA512	✅
SM3	✅

Symmetric-key algorithms

Stream ciphers

Ciphers	Status
ChaCha20(IETF 7539)	✅
ChaCha20(Original)	✅
RC4	✅
Salsa20	✅
XChaCha20	✅
XSalsa20	✅

Block ciphers

Ciphers	Status
AES	✅
SM4	✅

Block cipher modes

✅ CBC
✅ CFB128(Stream)
✅ CTR128(Stream)

Authenticated encryption algorithms

Ciphers	Status
AES-GCM	✅
ChaCha20Poly1305	✅
SM4-GCM	✅
XChaCha20Poly1305	✅

Asymmetric cryptography

Ciphers	Status
RSA	⏳
Curve25519	⏳
Ed25519	⏳
SM2	⏳
SM9	⏳

cryptobase's People

Contributors

Stargazers

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Forkers

tratos qqbc1 sidielnikov

cryptobase's Issues

Using the range operator will result in significant performance loss

Jit

using System;

public class X
{
    public void A(ref Span<byte> span, int i)
    {
        span = span[i..];
    }

    public void B(ref Span<byte> span, int i)
    {
        span = span.Slice(i);
    }
}

; Core CLR 8.0.23.53103 on x64

X..ctor()
    L0000: ret

X.A(System.Span`1<Byte> ByRef, Int32)
    L0000: sub rsp, 0x28
    L0004: mov rax, rdx
    L0007: mov eax, [rax+8]
    L000a: mov ecx, eax
    L000c: sub ecx, r8d
    L000f: mov r8d, r8d
    L0012: mov r10d, ecx
    L0015: add r10, r8
    L0018: cmp r10, rax
    L001b: ja short L002b
    L001d: add r8, [rdx]
    L0020: mov [rdx], r8
    L0023: mov [rdx+8], ecx
    L0026: add rsp, 0x28
    L002a: ret
    L002b: mov rax, 0x7ffb10a5ead8
    L0035: call qword ptr [rax]
    L0037: int3

X.B(System.Span`1<Byte> ByRef, Int32)
    L0000: sub rsp, 0x28
    L0004: mov eax, [rdx+8]
    L0007: cmp r8d, eax
    L000a: ja short L0020
    L000c: mov ecx, r8d
    L000f: add rcx, [rdx]
    L0012: sub eax, r8d
    L0015: mov [rdx], rcx
    L0018: mov [rdx+8], eax
    L001b: add rsp, 0x28
    L001f: ret
    L0020: mov rax, 0x7ffb10a5ead8
    L002a: call qword ptr [rax]
    L002c: int3

So just ignore IDE0057

Faster ChaCha20 and Poly1305

Poly1305
- 2 block SSE2
- 4 block AVX2
ChaCha20
- 2 block AVX2
- 4 block SSSE3
- 8 block AVX2
Salsa20
- 2 block AVX2
- 4 block SSE2
- 8 block AVX2

More digest algorithms

CRC-32
- PCLMULQDQ
CRC-32C
- SSE4.2
- SSE4.2 + PCLMULQDQ
SHA1
- SSSE3
- AVX2
- SHA1NI
SHA2
- SSSE3
- AVX2
- SHA2NI
- SHA224
  - Software
- SHA384
  - Software

Discussed in #64

^{Originally posted by sidielnikov January 7, 2024}
Bro, please add XTS mode for AES

Here are a few examples to help you

https://github.com/tkp1n/ArmAes
not working decryption. If it's not difficult to tell me how to fix the function
DecryptDataUnit256(
in AesKey key,
ref byte tweak,
ref byte ct, nuint ctLen,
ref byte pt)

https://github.com/mikhail-khalizev/XTSSharp

Digest algorithms support stream and large size Span

Data format extensions

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