localkey.py 文件源码

def hashPassphraseMD5(passphrase):
    passphrase = univ.OctetString(passphrase).asOctets()
    md = md5()
    ringBuffer = passphrase * (passphrase and (64//len(passphrase)+1) or 1)
    ringBufferLen = len(ringBuffer)
    count = 0
    mark = 0
    while count < 16384:
        e = mark + 64
        if e < ringBufferLen:
            md.update(ringBuffer[mark:e])
            mark = e
        else:
            md.update(
                ringBuffer[mark:ringBufferLen] + ringBuffer[0:e-ringBufferLen]
            )
            mark = e-ringBufferLen
        count += 1
    return md.digest()