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email@hidden zee op 8/6/05 06:17:
Chris Espinosa wrote:
> On Jun 7, 2005, at 7:42 AM, Rick Jansen wrote:
>
>> I'm using crypt to encrypt a password, to check against a Perl-
>> generated
>> list of encrypted passwords. Under Xcode 1.5 crypt delivered the same
>> result as Perl, both in deployment and debug mode, but with XCode 2.1
>> the deployment version results in a different encrypted string!
> Since Xcode 1.5 only runs on Panther and Xcode 2.1 requires Tiger,
> are you sure this isn't an OS thing?
On Tiger, with XCode 2.1 the debug and deployment version returns a
different result. The debug version under 2.1 has the correct result,
with the same encrypted result as on Panther and XCode 1.5.
Below's the code. I must have done something wrong...
Rick
The seed is the first and the last char of the original password here.
- (BOOL) CheckRegisterCode:(NSString *)Password
{
NSString *Seed = [Password substringToIndex:1]; // 1st char of Password
Seed = [Seed stringByAppendingString:[Password
substringFromIndex:([Password length]-1) ]];
// Append last char of Password
NSLog(@"CheckRegisterCode: pw=%@ seed=%@", Password, Seed);
// Convert Unicode NSString to C-string. 8 chars max.
char pw[8];
if ( [Password length] > 8) Password = [Password substringToIndex:8];
// First 8 characters of Password (restrict length)
[Password getCString:(char *)&pw maxLength:8];
// Convert Unicode seed (2 chars) to c-string
char seed[2];
[Seed getCString:(char *)&seed maxLength:2];
// Crypt
char encrypted[256]; // Assume 256 is enough
char *encryptedPtr;
encryptedPtr = (char *)&encrypted;
encryptedPtr = crypt( (char *)&pw, (char *)&seed );
// Convert crypted C-string to NSString
NSString *Encoded = [[NSString alloc] initWithCString:encryptedPtr];
NSLog(@"CheckRegisterCode: encoded %@ is: %@", Password, Encoded);
// more code...
return NO;
}
Result (debug) OK:
CheckRegisterCode: pw=abracada seed=aa
CheckRegisterCode: encoded abracada is: aaB/egd9mRItM
Result (deployment) WRONG:
CheckRegisterCode: pw=abracada seed=aa
CheckRegisterCode: encoded abracada is: aaQSqAReePlq6
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