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(Objective-C) IMAP Login SecureDemonstrates how to use the LoginSecure method introduced in Chilkat v9.5.0.71.
#import <CkoImap.h> #import <CkoJsonObject.h> #import <CkoCrypt2.h> #import <CkoSecureString.h> // This example requires the Chilkat API to have been previously unlocked. // See Global Unlock Sample for sample code. CkoImap *imap = [[CkoImap alloc] init]; // Connect to an IMAP server.. imap.Ssl = YES; imap.Port = [NSNumber numberWithInt:993]; BOOL success = [imap Connect: @"imap.mail.me.com"]; if (success != YES) { NSLog(@"%@",imap.LastErrorText); return; } // Imagine we've previously saved our encrypted login and password within a JSON config file // that contains this: // { // "imap_login": "fLkxsfnVaIWLiL/R32jo6g==", // "imap_password": "/NbaFBoCftBLFf8WBU9Xtw==" // } CkoJsonObject *json = [[CkoJsonObject alloc] init]; [json LoadFile: @"qa_data/passwords/imap.json"]; CkoCrypt2 *crypt = [[CkoCrypt2 alloc] init]; // These are the encryption settings we previously used to encrypt the credentials within the JSON config file. crypt.CryptAlgorithm = @"aes"; crypt.CipherMode = @"cbc"; crypt.KeyLength = [NSNumber numberWithInt:128]; [crypt SetEncodedKey: @"000102030405060708090A0B0C0D0E0F" encoding: @"hex"]; [crypt SetEncodedIV: @"000102030405060708090A0B0C0D0E0F" encoding: @"hex"]; crypt.EncodingMode = @"base64"; CkoSecureString *ssLogin = [[CkoSecureString alloc] init]; CkoSecureString *ssPassword = [[CkoSecureString alloc] init]; // Decrypt to the secure string. (the strings will still held in memory encrypted, but are now encrypted using // a randomly generated session key.) [crypt DecryptSecureENC: [json StringOf: @"imap_login"] secureStr: ssLogin]; [crypt DecryptSecureENC: [json StringOf: @"imap_password"] secureStr: ssPassword]; // Pass the credentials to the LoginSecure method: success = [imap LoginSecure: ssLogin password: ssPassword]; if (success != YES) { NSLog(@"%@",imap.LastErrorText); return; } // ... [imap Disconnect]; |
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