(Objective-C) List CSP's (Cryptographic Service Providers) on a Windows System

List the CSP's registered on a Windows system.

Note: This example requires Chilkat v9.5.0.77 or greater.

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#import <CkoCsp.h>
#import <CkoStringTable.h>

CkoCsp *csp = [[CkoCsp alloc] init];
CkoStringTable *st = [[CkoStringTable alloc] init];

BOOL success = [csp GetProviders: st];
if (success == NO) {
    NSLog(@"%@",csp.LastErrorText);
    return;
}

// Iterate over the CSP names..
int i = 0;
int numProviders = [st.Count intValue];
while (i < numProviders) {
    NSLog(@"%d%@%@",i,@": ",[st StringAt: [NSNumber numberWithInt: i]]);
    i = i + 1;
}

// Sample output:
// 
// 0: Microsoft Base Cryptographic Provider v1.0
// 1: Microsoft Base DSS and Diffie-Hellman Cryptographic Provider
// 2: Microsoft Base DSS Cryptographic Provider
// 3: Microsoft Base Smart Card Crypto Provider
// 4: Microsoft DH SChannel Cryptographic Provider
// 5: Microsoft Enhanced Cryptographic Provider v1.0
// 6: Microsoft Enhanced DSS and Diffie-Hellman Cryptographic Provider
// 7: Microsoft Enhanced RSA and AES Cryptographic Provider
// 8: Microsoft RSA SChannel Cryptographic Provider
// 9: Microsoft Strong Cryptographic Provider
//