60 lines
2.3 KiB
C#
60 lines
2.3 KiB
C#
using System.Runtime.InteropServices;
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namespace System.Security.Cryptography
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{
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internal interface IArgon2
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{
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public Argon2Error Hash(uint t_cost, uint m_cost, uint parallelism,
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ReadOnlySpan<byte> pwd,
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ReadOnlySpan<byte> salt,
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Span<byte> hash,
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Span<byte> encoded,
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int type, int version);
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Argon2Error Verify(ReadOnlySpan<byte> encoded, ReadOnlySpan<byte> pwd, int pwdlen, int type);
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// TODO: Change str to use ReadOnlySpan<char> then convert to pointer later
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Argon2Error Decode(Argon2Context ctx, ReadOnlySpan<byte> str, int type);
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}
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internal static class Argon2
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{
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internal static Argon2Error Hash(uint t_cost, uint m_cost, uint parallelism,
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ReadOnlySpan<byte> pwd,
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ReadOnlySpan<byte> salt,
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Span<byte> hash,
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Span<byte> encoded,
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int type, int version) =>
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SafeNativeMethods.argon2_hash(t_cost, m_cost, parallelism,
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in pwd.GetPinnableReference(), pwd.Length,
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in salt.GetPinnableReference(), salt.Length,
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ref hash.GetPinnableReference(), hash.Length,
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ref encoded.GetPinnableReference(), encoded.Length,
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type, version
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);
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internal static Argon2Error Verify(ReadOnlySpan<byte> encoded, ReadOnlySpan<byte> pwd, int pwdlen, int type) =>
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SafeNativeMethods.argon2_verify(in encoded.GetPinnableReference(), in pwd.GetPinnableReference(), pwdlen, type);
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internal static Argon2Error Decode(Argon2Context ctx, ReadOnlySpan<byte> str, int type) =>
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SafeNativeMethods.decode_string(ctx, in str.GetPinnableReference(), type);
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internal static class SafeNativeMethods
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{
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[DllImport("libargon2", EntryPoint = "argon2_hash")]
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internal static extern Argon2Error argon2_hash(uint t_cost, uint m_cost, uint parallelism,
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in byte pwd, int pwdlen,
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in byte salt, int saltlen,
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ref byte hash, int hashlen,
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ref byte encoded, int encodedlen,
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int type, int version
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);
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[DllImport("libargon2", EntryPoint = "argon2_verify")]
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internal static extern Argon2Error argon2_verify(in byte encoded, in byte pwd, int pwdlen, int type);
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[DllImport("libargon2", EntryPoint = "decode_string")]
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internal static extern Argon2Error decode_string(Argon2Context ctx, in byte str, int type);
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}
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}
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}
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