C# 获取字符串的 SHA-256 字符串
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Obtain SHA-256 string of a string
提问by Dariush Jafari
I have some stringand I want to hashit with the SHA-256hash function using C#. I want something like this:
我有一些string，我想哈希值与它SHA-256采用C＃哈希函数。我想要这样的东西：
string hashString = sha256_hash("samplestring");
Is there something built into the framework to do this?
框架中是否有内置的东西来做到这一点？
采纳答案by Dmitry Bychenko
The implementation could be like that
实现可能是这样的
public static String sha256_hash(String value) {
StringBuilder Sb = new StringBuilder();
using (SHA256 hash = SHA256Managed.Create()) {
Encoding enc = Encoding.UTF8;
Byte[] result = hash.ComputeHash(enc.GetBytes(value));
foreach (Byte b in result)
Sb.Append(b.ToString("x2"));
}
return Sb.ToString();
}
Edit:Linqimplementation is more concise, but, probably, less readable:
编辑：Linq实现更简洁，但可能不太可读：
public static String sha256_hash(String value) {
using (SHA256 hash = SHA256Managed.Create()) {
return String.Concat(hash
.ComputeHash(Encoding.UTF8.GetBytes(value))
.Select(item => item.ToString("x2")));
}
}
Edit 2:.NET Core
编辑 2：.NET 核心
public static String sha256_hash(string value)
{
StringBuilder Sb = new StringBuilder();
using (var hash = SHA256.Create())
{
Encoding enc = Encoding.UTF8;
Byte[] result = hash.ComputeHash(enc.GetBytes(value));
foreach (Byte b in result)
Sb.Append(b.ToString("x2"));
}
return Sb.ToString();
}
回答by aaronsteers
I was looking for an in-line solution, and was able to compile the below from Dmitry's answer:
我正在寻找一个在线解决方案，并且能够从 Dmitry 的回答中编译以下内容：
public static String sha256_hash(string value)
{
return (System.Security.Cryptography.SHA256.Create()
.ComputeHash(Encoding.UTF8.GetBytes(value))
.Select(item => item.ToString("x2")));
}
