Objective-C

Convert to DER encoded X.509 Certificate (.cer, .crt)

See more Certificates Examples

Loads a digital certificate from any format and saves to a binary DER encoded X.509 Certificate (.cer, .crt). Objective-C

#import <CkoCert.h>

BOOL success = NO;

CkoCert *cert = [[CkoCert alloc] init];

// LoadFromFile will load virtually any certificate format file.
// It will auto-recognize the format and load appropiately.
// In this case, load a PEM format certificate and convert to DER.
success = [cert LoadFromFile: @"/Users/chilkat/testData/pem/chilkat.pem"];
if (success != YES) {
    NSLog(@"%@",cert.LastErrorText);
    return;
}

success = [cert ExportCertDerFile: @"chilkat.der"];
if (success != YES) {
    NSLog(@"%@",cert.LastErrorText);
    return;
}

NSLog(@"%@",@"Converted certificate from PEM to DER format.");