Get every password in the keychain

gistfile1.m

+ (NSArray *)allKeychainItems
{
    NSDictionary *queryDict = @{(__bridge id)kSecClass: (__bridge id)kSecClassGenericPassword,
                                (__bridge id)kSecMatchLimit: (__bridge id)kSecMatchLimitAll,
                                (__bridge id)kSecReturnPersistentRef: (id)kCFBooleanTrue,
                                (__bridge id)kSecReturnAttributes: (id)kCFBooleanTrue,
                                (__bridge id)kSecReturnData: (id)kCFBooleanTrue
                                };

    CFTypeRef result = NULL;
    OSStatus resultCode = SecItemCopyMatching((__bridge CFDictionaryRef)(queryDict),
                                              &result);

    if (resultCode != errSecSuccess) {
        NSLog(@"Keychain result code: %d", (int)resultCode);
    }

    return (resultCode == errSecSuccess) ? (__bridge NSArray *)(result) : nil;
}