iPhone development: How to implement HTTPS connection?

I am working on an iPhone project which need to connect to the IIS server over 开发者_如何学运维HTTPS or SSL protocol. Can anyone tell me how to implement HTTPS connection in iPhone? Any advice would be appreciate.

Thank you in advance.

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Ben Copsey's ASIHTTPRequest framework makes it trivially easy to issue web requests over SSL.

Modifying the site's example slightly:

NSURL *url = [NSURL URLWithString:@"https://allseeing-i.com"];
ASIHTTPRequest *request = [ASIHTTPRequest requestWithURL:url];
[request startSynchronous];
NSError *error = [request error];
if (!error) {
    NSString *response = [request responseString];
    NSLog (@"%@", response);
}

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Just use NSURLConnection with an NSURLRequest pointing to an NUSUL with https protocol, just like that:

NSURLRequest *request = [NSURLRequest requestWithURL:[NSURL URLWithString:@"https://mySecureServer.net"]];
NSURLResponse *response = nil;
NSError *error = nil;
NSData *result = [NSURLConnection sendSynchronousRequest:request returningResponse:&response error:&error];
if (!error) {
    //do something with response & data
}

But I suggest you have a look at the documentation of the URL loading system in Cocoa.

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Jason don't forget to implement the connection:canAuthenticateAgainsProtectionSpace and connection:didReceiveAuthenticationChallenge to make sure you're handling the challenges for the Server authentication and Client Authentication:

check out this post that will help you with this https://devforums.apple.com/message/143091#143091

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You probably don't have a public certificate. Can you access the https resource with firefox/safari/chrome without an error? if not - that's the problem, not your code.