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(Objective-C) Create .pfx/.p12 from Certificate and Private Key PEM Files

Demonstrates how to convert a pair of PEM files, one containing a certificate, and the other a private key, into a PFX file with a password.

Chilkat Objective-C Library Downloads

MAC OS X (Cocoa) Libs

iOS Libs

#import <CkoCert.h>
#import <CkoCertChain.h>
#import <CkoPrivateKey.h>
#import <CkoPfx.h>

// First load our certificate into a certificate object,
// and then get it as a cert chain object.
CkoCert *cert = [[CkoCert alloc] init];

BOOL success = [cert LoadFromFile: @"qa_data/rsaes-oaep/cert.pem"];
if (success != YES) {
    NSLog(@"%@",cert.LastErrorText);
    return;
}

// This is the certificate PEM that we loaded:

// -----BEGIN CERTIFICATE-----
// MIIDozCCAougAwIBAgIJAMRwugDmvniwMA0GCSqGSIb3DQEBCwUAMGgxCzAJBgNV
// BAYTAlVTMQswCQYDVQQIDAJJTDEQMA4GA1UEBwwHV2hlYXRvbjEhMB8GA1UECgwY
// SW50ZXJuZXQgV2lkZ2l0cyBQdHkgTHRkMRcwFQYDVQQDDA5DaGlsa2F0V2lkZ2V0
// czAeFw0xNzA0MTgxMzQxNDVaFw0yMjA0MTcxMzQxNDVaMGgxCzAJBgNVBAYTAlVT
// MQswCQYDVQQIDAJJTDEQMA4GA1UEBwwHV2hlYXRvbjEhMB8GA1UECgwYSW50ZXJu
// ZXQgV2lkZ2l0cyBQdHkgTHRkMRcwFQYDVQQDDA5DaGlsa2F0V2lkZ2V0czCCASIw
// DQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEBAMXhMR7TNHSaHgrEGvAmHNqw/8xV
// 5TcngVO//yHBniDHas5b2zm0AkhY5EW9dn0wTWHivoRZC2soH7/bxRi4uYUaxgve
// YLXw6DO2MHSpuTvhSG3+AjsBDa9kXegn9XT1MdPHk9PrHR0sKXGuimkLf4r+Q1oM
// iGlhbUyRATwVlmo6AndgniDnj2RFBYV8E8SQ+7SnLPJdXZRDbLNVY/DY6D9stRAY
// rHuz/WBlVW7TQVuWwe7Cd9bfFqjqzLwLksKevWvHGteYDGeiCi+uvMMNfp/Br79Y
// zJYF/YpTJYE0POBiMwth1FUIYKpZf/O2eUd6RW9h6hocC5QWU9LAq+7kKFMCAwEA
// AaNQME4wHQYDVR0OBBYEFKBCsni1BfOyH3dSoY8yL4mDeNbpMB8GA1UdIwQYMBaA
// FKBCsni1BfOyH3dSoY8yL4mDeNbpMAwGA1UdEwQFMAMBAf8wDQYJKoZIhvcNAQEL
// BQADggEBAF2iV69ma5XegVWpxbc0gui63RE8NjW2dBW0fa4a4fwNH2f8oetZEjw4
// kscx7p4ESxyPtDUkLNplAth+D8NNh9IQDWIld+FZrJsis4tkpVcpMsbmB2CW8fL2
// IVnVznAN+/PMYEAkeSOnovUGlREHZZu4b9rMVm89+aoCQ9z+byjW9kLKHyvLnUai
// uEHp+0EVFP91CRSIcTCXsW1c5yZ8k5bqL0HlauuOO4TA3IegyYM9xBubmcxg8cRO
// 2F1k+Ge1lu3e+WY+lihaO0p762dF6g/SUMMrFneCPdIhvt4u7Esc9FDxE3xZEq3x
// cS5sHTxtTM0LVBi378/x5m1hln5hSJU=
// -----END CERTIFICATE-----

// Get it as a certificate chain.
CkoCertChain *certChain = [cert GetCertChain];
if (cert.LastMethodSuccess != YES) {
    NSLog(@"%@",cert.LastErrorText);
    return;
}

// Next, load the corresponding private key from a PEM.
CkoPrivateKey *privKey = [[CkoPrivateKey alloc] init];
success = [privKey LoadPemFile: @"qa_data/rsaes-oaep/privateKey.pem"];
if (success != YES) {
    NSLog(@"%@",privKey.LastErrorText);

    return;
}

// This is the private key PEM:

// -----BEGIN RSA PRIVATE KEY-----
// MIIEpAIBAAKCAQEAxeExHtM0dJoeCsQa8CYc2rD/zFXlNyeBU7//IcGeIMdqzlvb
// ObQCSFjkRb12fTBNYeK+hFkLaygfv9vFGLi5hRrGC95gtfDoM7YwdKm5O+FIbf4C
// OwENr2Rd6Cf1dPUx08eT0+sdHSwpca6KaQt/iv5DWgyIaWFtTJEBPBWWajoCd2Ce
// IOePZEUFhXwTxJD7tKcs8l1dlENss1Vj8NjoP2y1EBise7P9YGVVbtNBW5bB7sJ3
// 1t8WqOrMvAuSwp69a8ca15gMZ6IKL668ww1+n8Gvv1jMlgX9ilMlgTQ84GIzC2HU
// VQhgqll/87Z5R3pFb2HqGhwLlBZT0sCr7uQoUwIDAQABAoIBAGCP5LWDIWzpLFHa
// or6gCqKZjyo6nFFO4Ohqn+jsH+slBTTQVGmTMy302uhBbYnnwUtMJ+ZTwaO3/85T
// Q5otwrJ2f0CZcx42AkoB1SGJFVBoPj0WoCYE/JWjZ8P7g+dgI8GR+cyHRjzPKSZF
// o1thdgrwyxMtXH/4QCsF89FLQ4xwCJUkj+w0KBkX8isWcBJnKip81MK8rxhgMJ6v
// 5+DBVvlvm4BRz0hva7HB3TaZgo9ZWZdoSJQ/l33yfIL8H0EJjC6uJ/Bn77JtDzcv
// 1oUF02Ebu8/Re7RpUqdTIb1GamrOCjuZN66SrCOsh9rRzueU3UTLzjb9FDv8FQDA
// 5Dm59KECgYEA6zJ2LaiUywth80rAC34jEF85aC3vyKK0MxYELLB9Nw6MNFD1PZly
// YkOcI2kxVV+1KqtRYFlfEpCL4flqVnqjVj5jTCCOXqO6RjnPLoupf0yLpj60raO6
// Ouw5EDGjfUDBQtkCQNOx0nZLftVy30Ck/V2gVw9sEgWQV0YRavuymKMCgYEA12HB
// eHHSo/dK7keiIK7RRQu2ibALXWXsGq9lUbnQAunKRCa3qQtc8OwGRZsdj9u8HwCB
// zDu5QIbaQCa1SyDz1CsOysOfTYNhh1SZ4GLiu7/b0v5ktgdtosT9niowo08Y4ZU+
// lA8p2eriylznacNOkA8O1g8m1etHqV+cVKUMvJECgYEApoeVO6DosZd+pCfiMIEA
// TMBPwl78L6BcXOuSyx2vmwMW7JgB/LqgTck3Ta9Wue9JNEwXE1RUR63HDZpu24p8
// Cj2kSyumAoaFBuI5uugyfCrzmiM+BNAvtTa69Kdg7feinzVOLh52AuG1dLmnW0HH
// UIoxVFNcHqqH1/OJs6lBfGcCgYEAkQXhn5gEnSMF8SuKnzcW8cbRQiSnglv+fnlb
// X4wd49hHuVvYjpp4GkDSeEvZu+PY54cP3tTYB/rFOizWJaAqjdHwQ9c0jJzKLrVo
// Zw4uXPzypz9j0K1vxQmfO8Bsv4mi10IGwOr04yalTlz/9NbtL1L0Sm4pWCD0P7eB
// K/12dgECgYBXNV5NcLpZhpjo8q05xAiFuwC2e29qYyVwcFVhYdYguutRKImZtjSE
// dndNAxa7EDL9NRc5SjX4NHAZoImADRSbgc2rIq2ePY8WORaR+iKsVx7PJGHSiXTL
// 30X9E3com8ctyTsZTnlJ4Dm7SefkN0NKzqwjxXxZLaUteWBPUt+YAg==
// -----END RSA PRIVATE KEY-----

// Create a PFX object instance, and add the private key + cert chain.
CkoPfx *pfx = [[CkoPfx alloc] init];
success = [pfx AddPrivateKey: privKey certChain: certChain];
if (success != YES) {
    NSLog(@"%@",pfx.LastErrorText);

    return;
}

// Finally, write the PFX w/ a password.
success = [pfx ToFile: @"pfxPassword" path: @"qa_output/sample.pfx"];
if (success != YES) {
    NSLog(@"%@",pfx.LastErrorText);
    return;
}

NSLog(@"%@",@"Success.");
 

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