[AHK][FUNC]Base64 Encode / Decode

柔情只为你懂 2022-09-04 09:49 226阅读 0赞

## 需求：c2VhcmNob25leUAxNjMuY29t 是啥内容？ ##

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2xpdXl1a3Vhbg_size_16_color_FFFFFF_t_70][]

; ===============================================================================================================================
    ; Base64 Encode / Decode a string (binary-to-text encoding)
    ; ===============================================================================================================================
    
    b64Encode(string)
    {
        VarSetCapacity(bin, StrPut(string, "UTF-8")) && len := StrPut(string, &bin, "UTF-8") - 1 
        if !(DllCall("crypt32\CryptBinaryToString", "ptr", &bin, "uint", len, "uint", 0x1, "ptr", 0, "uint*", size))
            throw Exception("CryptBinaryToString failed", -1)
        VarSetCapacity(buf, size << 1, 0)
        if !(DllCall("crypt32\CryptBinaryToString", "ptr", &bin, "uint", len, "uint", 0x1, "ptr", &buf, "uint*", size))
            throw Exception("CryptBinaryToString failed", -1)
        return StrGet(&buf)
    }
    
    b64Decode(string)
    {
        if !(DllCall("crypt32\CryptStringToBinary", "ptr", &string, "uint", 0, "uint", 0x1, "ptr", 0, "uint*", size, "ptr", 0, "ptr", 0))
            throw Exception("CryptStringToBinary failed", -1)
        VarSetCapacity(buf, size, 0)
        if !(DllCall("crypt32\CryptStringToBinary", "ptr", &string, "uint", 0, "uint", 0x1, "ptr", &buf, "uint*", size, "ptr", 0, "ptr", 0))
            throw Exception("CryptStringToBinary failed", -1)
        return StrGet(&buf, size, "UTF-8")
    }
    
    ; ===============================================================================================================================
    
    MsgBox % b64Decode("c2VhcmNob25leUAxNjMuY29t==")
    
    ; Andy J  
    ; c2VhcmNob25leUAxNjMuY29t请问这种东西是不是加密的
    ; 用base 64 解码输出：searchoney@163.com

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