aparler/RosettaCodeData
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Ingy döt Net 2023-07-01 11:58:00 -04:00
parent 7387c8f97b
commit cb5bb5e222
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50
Task/SHA-256/AutoHotkey/sha-256.ahk Normal file
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str := "Rosetta code"
MsgBox, % "File:`n" (file) "`n`nSHA-256:`n" FileSHA256(file)
; SHA256 ============================================================================
SHA256(string, encoding = "utf-8")
{
return CalcStringHash(string, 0x800c, encoding)
}
; CalcAddrHash ======================================================================
CalcAddrHash(addr, length, algid, byref hash = 0, byref hashlength = 0)
{
static h := [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, "A", "B", "C", "D", "E", "F"]
static b := h.minIndex()
o := ""
if (DllCall("advapi32\CryptAcquireContext", "Ptr*", hProv, "Ptr", 0, "Ptr", 0, "UInt", 24, "UInt", 0xF0000000))
{
if (DllCall("advapi32\CryptCreateHash", "Ptr", hProv, "UInt", algid, "UInt", 0, "UInt", 0, "Ptr*", hHash))
{
if (DllCall("advapi32\CryptHashData", "Ptr", hHash, "Ptr", addr, "UInt", length, "UInt", 0))
{
if (DllCall("advapi32\CryptGetHashParam", "Ptr", hHash, "UInt", 2, "Ptr", 0, "UInt*", hashlength, "UInt", 0))
{
VarSetCapacity(hash, hashlength, 0)
if (DllCall("advapi32\CryptGetHashParam", "Ptr", hHash, "UInt", 2, "Ptr", &hash, "UInt*", hashlength, "UInt", 0))
{
loop, % hashlength
{
v := NumGet(hash, A_Index - 1, "UChar")
o .= h[(v >> 4) + b] h[(v & 0xf) + b]
}
}
}
}
DllCall("advapi32\CryptDestroyHash", "Ptr", hHash)
}
DllCall("advapi32\CryPtreleaseContext", "Ptr", hProv, "UInt", 0)
}
return o
}
; CalcStringHash ====================================================================
CalcStringHash(string, algid, encoding = "utf-8", byref hash = 0, byref hashlength = 0)
{
chrlength := (encoding = "cp1200" || encoding = "utf-16") ? 2 : 1
length := (StrPut(string, encoding) - 1) * chrlength
VarSetCapacity(data, length, 0)
StrPut(string, &data, floor(length / chrlength), encoding)
return CalcAddrHash(&data, length, algid, hash, hashlength)
}