MFC Examples

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MFC Examples

Bounced Mail
Bz2
Certificates/Keys
Charset
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Diffie-Hellman
DKIM / DomainKey
DSA
Email Object
Encryption
FileAccess
FTP
HTML Conversion
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SMTP
Socket
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SSH Key
SSH
SSH Tunnel
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XML
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Amazon S3


 

 

 

 

 

 

 

 

DSA Public Key PEM to DER Conversion

Converts a DSA public key from PEM format to DER.

Downloads:

MS Windows Visual C/C++ Libraries
Linux/CentOS C/C++ Libraries
MAC OS X C/C++ Libraries
Solaris C/C++ Libraries
C++ Builder Libraries
FreeBSD C++ Libraries
HP-UX C++ Libraries
BlackBerry QNX C++ Libraries
// Needs #include <CkDsa.h>

    CkString strOut;

    bool success;

    CkDsa dsa;

    success = dsa.UnlockComponent("Anything for 30-day trial");
    if (success != true) {
        strOut.append(dsa.lastErrorText());
        strOut.append("\r\n");
        SetDlgItemText(IDC_EDIT1,strOut.getUnicode());
        return;
    }

    //  Load a PEM public key.
    const char * pemPublicKey;
    pemPublicKey = dsa.loadText("dsa_pub.pem");
    //  Import the public key PEM into the DSA object.
    success = dsa.FromPublicPem(pemPublicKey);
    if (success != true) {
        strOut.append(dsa.lastErrorText());
        strOut.append("\r\n");
        SetDlgItemText(IDC_EDIT1,strOut.getUnicode());
        return;
    }

    //  Write it out as a DER file:
    success = dsa.ToPublicDerFile("dsa_pub.der");
    if (success != true) {
        strOut.append(dsa.lastErrorText());
        strOut.append("\r\n");
        SetDlgItemText(IDC_EDIT1,strOut.getUnicode());
        return;
    }

    strOut.append("Finished!\r\n");

    SetDlgItemText(IDC_EDIT1,strOut.getUnicode());

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