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Date: Thu, 12 Feb 2015 18:05:01 +0300
From: Aleksey Cherepanov <aleksey.4erepanov@...il.com>
To: john-dev@...ts.openwall.com
Subject: wrong comment in sha512crypt_fmt_plug.c
It looks like there is a wrong comment in cryptsha512_fmt_plug.c :
/* For every character in the password add the entire password. */
for (cnt = 0; cnt < 16 + ((unsigned char*)crypt_out[index])[0]; ++cnt)
SHA512_Update(&alt_ctx, cur_salt->salt, cur_salt->len);
It is #18 according to
http://www.akkadia.org/drepper/SHA-crypt.txt
"
18. repeast the following 16+A[0] times, where A[0] represents the first
byte in digest A interpreted as an 8-bit unsigned value
add the salt to digest DS
"
The comment is from the original code:
/* For every character in the password add the entire password. */
for (cnt = 0; cnt < 16 + alt_result[0]; ++cnt)
sha512_process_bytes (salt, salt_len, &alt_ctx);
Thanks!
--
Regards,
Aleksey Cherepanov
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