author | Jens Alfke <jens@mooseyard.com> |
Wed Sep 02 08:41:25 2009 -0700 (2009-09-02) | |
changeset 35 | 5cab3034d3a1 |
permissions | -rw-r--r-- |
jens@33 | 1 |
// |
jens@33 | 2 |
// NSData+Mnemonic.m |
jens@33 | 3 |
// Cloudy |
jens@33 | 4 |
// |
jens@33 | 5 |
// Created by Jens Alfke on 6/24/09. |
jens@33 | 6 |
// Copyright 2009 Jens Alfke. All rights reserved. |
jens@33 | 7 |
// |
jens@33 | 8 |
|
jens@33 | 9 |
#import "NSData+Mnemonic.h" |
jens@33 | 10 |
#import "mnemonic.h" |
jens@33 | 11 |
|
jens@33 | 12 |
|
jens@33 | 13 |
@implementation NSData (Mnemonic) |
jens@33 | 14 |
|
jens@33 | 15 |
- (NSString*) my_mnemonic { |
jens@33 | 16 |
NSMutableData *chars = [NSMutableData dataWithLength: 10*mn_words_required(self.length)]; |
jens@33 | 17 |
if (!chars) |
jens@33 | 18 |
return nil; |
jens@33 | 19 |
int result = mn_encode((void*)self.bytes, self.length, |
jens@33 | 20 |
chars.mutableBytes, chars.length, |
jens@33 | 21 |
MN_FDEFAULT); |
jens@33 | 22 |
if (result != 0) { |
jens@33 | 23 |
Warn(@"Mnemonic encoder failed: err=%i",result); |
jens@33 | 24 |
return nil; |
jens@33 | 25 |
} |
jens@33 | 26 |
return [[[NSString alloc] initWithUTF8String: chars.mutableBytes] autorelease]; |
jens@33 | 27 |
} |
jens@33 | 28 |
|
jens@33 | 29 |
@end |