On 2 Apr 2008, at 00:46, Jean-Daniel Dupas wrote:
Le 2 avr. 08 à 01:36, stephen joseph butler a écrit :
On Tue, Apr 1, 2008 at 6:20 PM, Martin Redington
<[EMAIL PROTECTED]>
wrote:
I'm running /sbin/md5 via an NSTask on a number of files (3,000 or
so, with a new NSTask each time).
This would run a lot faster (and avoid fd issues) if you used
libcrypto. Try
"man EVP_DigestInit" to get an idea of where to start.
And this would not require libcrypto dependency if you use
CommonDigest that is part of the Mac OS X libSystem. (usr/include/
CommonCrypto/CommonDigest.h) and that is not more complexe than EVP:
extern unsigned char *CC_MD5(const void *data, CC_LONG len,
unsigned char *md);
Ah, that's interesting, although I think I have other libcrypto
dependencies anyway.
It looks like the incremental functions are the ones I want. The
duplicate files tend to be small in practice (surprisingly so,
actually), but can be of arbitrary sizes.
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