QCryptographicHash ¶

概要 ¶

详细描述 ¶

QCryptographicHash can be used to generate cryptographic hashes of binary or text data.

参考文档编制中 Algorithm 枚举，支持的算法列表。

class QCryptographicHash ( 方法 ) ¶

param method

Algorithm

构造可用于从数据创建加密哈希的对象，使用 方法 .

PySide2.QtCore.QCryptographicHash. Algorithm ¶

注意

In Qt versions before 5.9, when asked to generate a SHA3 hash sum, QCryptographicHash actually calculated Keccak. If you need compatibility with SHA-3 hashes produced by those versions of Qt, use the Keccak_ enumerators. Alternatively, if source compatibility is required, define the macro QT_SHA3_KECCAK_COMPAT .

常量	描述
QCryptographicHash.Md4	生成 MD4 哈希和
QCryptographicHash.Md5	生成 MD5 哈希和
QCryptographicHash.Sha1	生成 SHA-1 哈希和
QCryptographicHash.Sha224	Generate an SHA-224 hash sum (SHA-2). Introduced in Qt 5.0
QCryptographicHash.Sha256	Generate an SHA-256 hash sum (SHA-2). Introduced in Qt 5.0
QCryptographicHash.Sha384	Generate an SHA-384 hash sum (SHA-2). Introduced in Qt 5.0
QCryptographicHash.Sha512	Generate an SHA-512 hash sum (SHA-2). Introduced in Qt 5.0
QCryptographicHash.Sha3_224	Generate an SHA3-224 hash sum. Introduced in Qt 5.1
QCryptographicHash.Sha3_256	Generate an SHA3-256 hash sum. Introduced in Qt 5.1
QCryptographicHash.Sha3_384	Generate an SHA3-384 hash sum. Introduced in Qt 5.1
QCryptographicHash.Sha3_512	Generate an SHA3-512 hash sum. Introduced in Qt 5.1
QCryptographicHash.Keccak_224	Generate a Keccak-224 hash sum. Introduced in Qt 5.9.2
QCryptographicHash.Keccak_256	Generate a Keccak-256 hash sum. Introduced in Qt 5.9.2
QCryptographicHash.Keccak_384	Generate a Keccak-384 hash sum. Introduced in Qt 5.9.2
QCryptographicHash.Keccak_512	Generate a Keccak-512 hash sum. Introduced in Qt 5.9.2

PySide2.QtCore.QCryptographicHash. addData ( device ) ¶

参数

device – QIODevice

返回类型

bool

读取数据，从打开 QIODevice device 直到它结束并哈希为止。返回 true 若读取是成功的。

PySide2.QtCore.QCryptographicHash. addData ( data ) ¶

参数

data – QByteArray

PySide2.QtCore.QCryptographicHash. addData ( data ) ¶

参数

data – str

Adds the first length chars of data to the cryptographic hash.

static PySide2.QtCore.QCryptographicHash. hash ( data , 方法 ) ¶

参数

• data – QByteArray

• 方法 – Algorithm

返回类型

QByteArray

Returns the hash of data 使用 方法 .

static PySide2.QtCore.QCryptographicHash. hashLength ( 方法 ) ¶

参数

方法 – Algorithm

返回类型

int

Returns the size of the output of the selected hash 方法 in bytes.

PySide2.QtCore.QCryptographicHash. reset ( ) ¶

重置对象。

PySide2.QtCore.QCryptographicHash. result ( ) ¶

返回类型

QByteArray

返回最终的哈希值。

另请参阅

toHex()