在VBA中有一个散列函数,它获取一个字符串并返回一个散列,我需要在Python中创建一个函数,它返回相同的散列
VBA代码:
Public Function Base64Sha1(inputText As String)
Dim asc As Object
Dim enc As Object
Dim textToHash() As Byte
Dim SharedSecretKey() As Byte
Dim bytes() As Byte
Set asc = CreateObject("System.Text.UTF8Encoding")
Set enc = CreateObject("System.Security.Cryptography.HMACSHA1")
textToHash = asc.GetBytes_4(inputText)
SharedSecretKey = asc.GetBytes_4(inputText)
enc.Key = SharedSecretKey
bytes = enc.ComputeHash_2((textToHash))
Base64Sha1 = EncodeBase64(bytes)
End Function
Private Function EncodeBase64(arrData() As Byte) As String
Dim objXML As Object
Dim objNode As Object
Set objXML = CreateObject("MSXML2.DOMDocument")
Set objNode = objXML.createElement("b64")
objNode.DataType = "bin.base64"
objNode.nodeTypedValue = arrData
EncodeBase64 = objNode.Text
End Function
import hashlib
import base64
def string_to_hash(word):
digest = hashlib.sha1(word.encode('utf-8')).digest()
return base64.b64encode(digest)
print(string_to_hash('a'))
VBA结果:
debug.print(Base64Sha1("a"))
OQLthH/yiTC18UGr+otHFoElNnM=
Python结果:
print(string_to_hash('a'))
b'hvfkN/qlp/zhXR3cuerq6jd2Z7g='
在VB代码中,哈希值是用HMAC/SHA1确定的,而不仅仅是用SHA1确定的。以下Python代码提供了与VB代码相同的结果:
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