AssemblyHashAlgorithm 枚举

定义

命名空间:
System.Configuration.Assemblies
程序集:
mscorlib.dll, netstandard.dll, System.Runtime.dll

指定用于哈希文件和用于生成强名称的所有哈希算法。Specifies all the hash algorithms used for hashing files and for generating the strong name.

public enum class AssemblyHashAlgorithm
[System.Runtime.InteropServices.ComVisible(true)]
[System.Serializable]
public enum AssemblyHashAlgorithm
type AssemblyHashAlgorithm = 
Public Enum AssemblyHashAlgorithm
继承
Object
ValueType
Enum
AssemblyHashAlgorithm
属性
ComVisibleAttribute SerializableAttribute

字段

MD5 32771

检索 MD5 消息摘要算法。Retrieves the MD5 message-digest algorithm. MD5 是 Rivest 在 1991 年开发的。MD5 was developed by Rivest in 1991. 它与 MD4 基本相同，只是增加了安全性。它虽然比 MD4 稍慢一些，但更安全。It is basically MD4 with safety-belts and while it is slightly slower than MD4, it helps provide more security. 该算法包括四个不同的步骤，其设计与 MD4 的略有不同。The algorithm consists of four distinct rounds, which has a slightly different design from that of MD4. 消息摘要的大小以及填充要求保持不变。Message-digest size, as well as padding requirements, remain the same.
None 0

一个掩码，它指示无哈希算法。A mask indicating that there is no hash algorithm. 如果为多模块程序集指定 None，则公共语言运行时默认采用 SHA1 算法，因为多模块程序集需要生成哈希。If you specify None for a multi-module assembly, the common language runtime defaults to the SHA1 algorithm, since multi-module assemblies need to generate a hash. 由于与 SHA1 冲突，Microsoft 建议使用 SHA256。Due to collision problems with SHA1, Microsoft recommends SHA256.
SHA1 32772

用于检索“安全哈希算法”修订版的掩码，该修订版更正了 SHA 中的一个未发布的错误。A mask used to retrieve a revision of the Secure Hash Algorithm that corrects an unpublished flaw in SHA.
SHA256 32780

用于检索“安全哈希算法”的版本的掩码，其哈希值大小为 256 位。A mask used to retrieve a version of the Secure Hash Algorithm with a hash size of 256 bits.
SHA384 32781

用于检索“安全哈希算法”的版本的掩码，其哈希值大小为 384 位。A mask used to retrieve a version of the Secure Hash Algorithm with a hash size of 384 bits.
SHA512 32782

用于检索“安全哈希算法”的版本的掩码，其哈希值大小为 512 位。A mask used to retrieve a version of the Secure Hash Algorithm with a hash size of 512 bits.

注解

= H m h m是一个转换, 它采用输入并返回固定大小的字符串, 该字符串称为哈希值h (即 ())。 hash function``HA hash function``H is a transformation that takes an input m and returns a fixed-size string, which is called the hash value h (that is, h = H (m)). 仅具有此属性的哈希函数具有各种一般计算用途, 但在加密时, 通常会选择使用哈希函数作为一些附加属性。Hash functions with just this property have a variety of general computational uses, but when employed in cryptography, the hash functions are usually chosen to have some additional properties.

加密哈希函数的基本要求如下:The basic requirements for a cryptographic hash function are:

  • 输入可以为任意长度。The input can be of any length.

  • 输出具有固定长度。The output has a fixed length.

  • H(x)对于任何给定的 x, 计算相对容易。H (x) is relatively easy to compute for any given x.

  • H(x) 为单向。H (x) is one-way.

  • H(x) 无冲突。H (x) is collision-free.

哈希值表示从其计算所得的较长消息或文档此值称为 "消息摘要"。The hash value represents concisely the longer message or document from which it was computed; this value is called the message digest. 可以将消息摘要视为大文档的数字指纹。You can think of a message digest as a digital fingerprint of the larger document. 众所周知的哈希函数的示例包括 MD2 和 SHA。Examples of well-known hash functions are MD2 and SHA.

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