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// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the Apache 2.0 License.
// See the LICENSE file in the project root for more information.
using System.Collections.Generic;
using System.Security.Cryptography;
using Microsoft.Scripting.Runtime;
using Mono.Security.Cryptography;
using IronPython.Runtime;
using IronPython.Runtime.Operations;
[assembly: PythonModule("_sha256", typeof(IronPython.Modules.PythonSha256))]
namespace IronPython.Modules {
[Documentation("SHA256 hash algorithm")]
public static class PythonSha256 {
private const int BLOCK_SIZE = 64;
public const string __doc__ = "SHA256 hash algorithm";
public static Sha256Object sha256(string data) {
throw PythonOps.TypeError("Unicode-objects must be encoded before hashing");
}
public static Sha256Object sha256(ArrayModule.array data) {
return new Sha256Object(data.ToByteArray());
}
public static Sha256Object sha256([BytesConversion]IList<byte> data) {
return new Sha256Object(data);
}
public static Sha256Object sha256() {
return new Sha256Object();
}
[PythonHidden]
public sealed class Sha256Object : HashBase<SHA256> {
internal Sha256Object() : base("SHA256", BLOCK_SIZE, 32) { }
internal Sha256Object(IList<byte> initialBytes) : this() {
update(initialBytes);
}
[Documentation("copy() -> object (copy of this object)")]
public override HashBase<SHA256> copy() {
Sha256Object res = new Sha256Object();
res._hasher = CloneHasher();
return res;
}
protected override void CreateHasher() {
_hasher = SHA256.Create();
}
}
public static Sha256Object sha224(string data) {
throw PythonOps.TypeError("Unicode-objects must be encoded before hashing");
}
public static Sha224Object sha224(ArrayModule.array data) {
return new Sha224Object(data.ToByteArray());
}
public static Sha224Object sha224([BytesConversion]IList<byte> data) {
return new Sha224Object(data);
}
public static Sha224Object sha224() {
return new Sha224Object();
}
[PythonHidden]
public sealed class Sha224Object : HashBase<SHA224> {
internal Sha224Object() : base("SHA224", BLOCK_SIZE, 28) {
}
internal Sha224Object(IList<byte> initialBytes) : this() {
update(initialBytes);
}
protected override void CreateHasher() {
_hasher = SHA224.Create();
}
[Documentation("copy() -> object (copy of this object)")]
public override HashBase<SHA224> copy() {
Sha224Object res = new Sha224Object();
res._hasher = CloneHasher();
return res;
}
}
}
}