extractidentity.m

- (OSStatus)extractIdentity:(CFDataRef)inP12Data :(SecIdentityRef*)identity {
    OSStatus securityError = errSecSuccess;

    CFStringRef password = CFSTR("MyCertificatePassword");
    const void *keys[] = { kSecImportExportPassphrase };
    const void *values[] = { password };

    CFDictionaryRef options = CFDictionaryCreate(NULL, keys, values, 1, NULL, NULL);

    CFArrayRef items = CFArrayCreate(NULL, 0, 0, NULL);
    securityError = SecPKCS12Import(inP12Data, options, &items);

    if (securityError == 0) {
        CFDictionaryRef ident = CFArrayGetValueAtIndex(items,0);
        const void *tempIdentity = NULL;
        tempIdentity = CFDictionaryGetValue(ident, kSecImportItemIdentity);
        *identity = (SecIdentityRef)tempIdentity;
    }

    if (options) {
        CFRelease(options);
    }

    return securityError;
}