Date: Sat, 26 Jan 2013 18:25:56 +0100 From: magnum <john.magnum@...hmail.com> To: john-dev@...ts.openwall.com Subject: Re: Office format bug On 01/26/2013 04:08 PM, Dhiru Kholia wrote: > On Sat, Jan 26, 2013 at 7:51 PM, Dhiru Kholia <dhiru.kholia@...il.com> wrote: >> This is a genuine problem and here is a patch to fix this. >> >> diff --git a/src/office_fmt_plug.c b/src/office_fmt_plug.c >> index f4f9b19..7131893 100644 >> --- a/src/office_fmt_plug.c >> +++ b/src/office_fmt_plug.c >> @@ -190,7 +190,6 @@ static int PasswordVerifier(unsigned char * key) >> return 0; >> } >> AES_ecb_encrypt(cur_salt->encryptedVerifierHash, >> decryptedVerifierHash, &akey, AES_DECRYPT); >> - AES_ecb_encrypt(cur_salt->encryptedVerifierHash+16, >> decryptedVerifierHash+16, &akey, AES_DECRYPT); >> >> /* find SHA1 hash of decryptedVerifier */ >> SHA1_Init(&ctx); > > Same fix applies for opencl_office2007_fmt.c as well. > We'll need to patch the OpenCL formats as well. Did this bug not affect cracking? magnum
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