Initial commit

.gitignore

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+.DS_Store
+build
+*.mode1v3
+*.pbxuser

LICENSE

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+Copyright (c) 2010 Tasteful Works, Inc.
+
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of this software and associated documentation files (the
+"Software"), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

Readme.markdown

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+# SSKeychain
+
+This was inspired by [EMKeychain](http://github.com/maccheck/EMKeychain) and [SDKeychain](http://github.com/sdegutis/The-Gist/blob/master/External/SDKeychain). Thanks to the authors.

SSKeychain.h

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+//
+//  SSKeychain.h
+//  SSKeychain
+//
+//  Created by Sam Soffes on 4/6/10.
+//  Copyright Sam Soffes 2010 . All rights reserved.
+//
+
+#import <Cocoa/Cocoa.h>
+#import <Security/Security.h>
+
+@interface SSKeychain : NSObject {
+}
+
++ (NSString *)securePasswordForIdentifier:(NSString *)username;
++ (BOOL)setSecurePassword:(NSString *)somePassword forIdentifier:(NSString *)username;
+
+@end

SSKeychain.m

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+//
+//  SSKeychain.m
+//  SSKeychain
+//
+//  Created by Sam Soffes on 4/6/10.
+//  Copyright Sam Soffes 2010 . All rights reserved.
+//
+
+
+#import "SSKeychain.h"
+
+@interface SSKeychain (PrivateMethods)
++ (SecKeychainItemRef) itemForKeychainUsername:(NSString*)username;
++ (NSString*) _uniqueServiceNameForApp;
+@end
+
+
+@implementation SSKeychain
+
++ (NSString *)_uniqueServiceNameForApp {
+	return [[NSBundle mainBundle] bundleIdentifier];
+}
+
+
++ (SecKeychainItemRef)itemForKeychainUsername:(NSString *)username {
+	SecKeychainItemRef item = NULL;
+	NSString *serviceName = [self _uniqueServiceNameForApp];
+
+	OSErr err = SecKeychainFindGenericPassword(NULL, [serviceName length], [serviceName UTF8String],
+											   [username length], [username UTF8String], NULL,
+											   NULL, &item);
+
+	if (err == noErr || item != NULL) {
+		return item;
+	}
+
+	return NULL;
+}
+
+
++ (NSString *)securePasswordForIdentifier:(NSString *)username {
+	SecKeychainItemRef item = [self itemForKeychainUsername:username];
+
+	if (item == NULL) {
+    	return nil;
+  	}
+
+	UInt32 passwordLength;
+	char* password;
+	OSErr err = SecKeychainItemCopyAttributesAndData(item, NULL, NULL, NULL, &passwordLength, (void**)&password);
+
+	if (err != noErr) {
+		CFStringRef errMsg = SecCopyErrorMessageString(err, NULL);
+		CFShow(errMsg);
+		CFRelease(errMsg);
+		return nil;
+	}
+
+	NSString *passwordString = [[NSString alloc] initWithBytes:password length:passwordLength encoding:NSUTF8StringEncoding];
+	SecKeychainItemFreeContent(NULL, password);
+	return [passwordString autorelease];
+}
+
+
++ (BOOL)setSecurePassword:(NSString *)newPasswordString forIdentifier:(NSString *)username {
+	if (!newPasswordString) {
+		newPasswordString = @"";
+	}
+
+	SecKeychainItemRef item = [self itemForKeychainUsername:username];
+
+	if (item == NULL) {
+		NSString *serviceName = [self _uniqueServiceNameForApp];
+
+		OSErr err = SecKeychainAddGenericPassword(NULL, [serviceName length], [serviceName UTF8String],
+												  [username length], [username UTF8String], [newPasswordString length],
+												  [newPasswordString UTF8String], &item);
+		return (err == noErr && item != NULL);
+	} else {
+		const char *newPassword = [newPasswordString UTF8String];
+		OSStatus err = SecKeychainItemModifyAttributesAndData(item, NULL, strlen(newPassword), (void *)newPassword);
+		return (err == noErr && item != NULL);
+	}
+}
+
+@end