nettle-bugs

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2191 discussions

(Micro) optimizations.
by nisse＠lysator.liu.se 06 Feb '04

06 Feb '04

After being prodded by Jonas Walldén, who showed me how to speed up the C implementation of arcfour by 50%, I've been spending a few hours on micro optimizing arcfour and sha1. Benchmark figures below are on my P4 laptop. First, arcfour: Original C version: 47 MB/s Improved C version: 43 MB/s [1] x86 assembler: 160 MB/s [1] So this is actually a slowdown on my machine. Jonas reports a 50% speedup on G4, and a smallish x86 speedup too. I think the new code should be faster on all cpu:s with a decent number of registers. For sha1, the difference is smaller, Original C version: 64 MB/s x86 assembler: 80 MB/s Now, I'm by no means an x86 guru. I've tried to get a small instruction count, and fit as many variables as possible into registers. I haven't attempted to do any clever instruction scheduling. So if anybody with more x86 experience could have a look at the code, that is much appreciated. Source code can be viewed at http://cvs.lysator.liu.se/viewcvs/viewcvs.cgi/lsh/src/nettle/x86/sha1-compr… http://cvs.lysator.liu.se/viewcvs/viewcvs.cgi/lsh/src/nettle/x86/arcfour-cr… If you find the m4 macrology hard to read, you can check out the code from cvs (following the instructions on the nettle or lsh homepages), build it, and then look at the sha1-compress.s file, which is the result of sending sha1-compress.asm through m4. Happy hacking, /Niels

1 0

Utilities 242085
by 242085＠hotmail.com 03 Feb '04

03 Feb '04

1 0

want to know what women think?
by Marla Funk 02 Feb '04

02 Feb '04

1 0

Microsoft Office XP Professional OEM! 241944
by 241944＠delphi.com 27 Jan '04

27 Jan '04

1 0

Z1: Un-Limited CABLE TV Pay-Per-View, Movies, Sports, Late-Nite Flix---0 COST TO YOU, Q217pN94
by Reinaldo Gorman 24 Jan '04

24 Jan '04

1 0

Welcome to www.dumpsmarket.com
by orders＠avahost.net 23 Jan '04

23 Jan '04

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CONFIDENTIAL
by JAMES BANANA 23 Jan '04

23 Jan '04

Dear sir, In search of a competent person who would handle issues with utmost good faith and matured confidentaility, i deceided to enlist into your service My name is James Banana son of former Zimbabwean President, Reverend Canaan Sodindo Banana who died on monday 10th november 2003.My late father was president of Zimbabwe from 1980 -1987.He was succeded by the then prime minister Robert Mugabe who because of political motives supported my late father former aides and accused him of sexual harrasement with same sex (homosexuality) which carries a ten years sentence in Zimbabwe. After an eleven days trial we fled to Botswana after receiving information that Robert Mugabe and his cohorts are after our lives and properties thinking my father was supporting the opposition party.My father's eleven account in Germany,Luxemburg,swizerland was frozen by Government of my country.It is only this fund that my father deposited with this security company declared as personal values that we depend on as our future survival My late father went back to zimbabwe were he was convicted for two years by the help of former south African president Nelson Mandela To summarise this story, my late father decided to deposit the sum of $17,200,000USD (seventeen million two hundred thousand united states dollars) with a private security firm in europe with my name as the beneficiary. Since my father is dead now and my mother is seriously ill, I consider it worthwhile to look for a partner who will assist us in securing the release of this deposit.For this transaction we will give out 16% for the assistance, 50% share for possible help on investing in any reliable venture, 2% to buy personal properties like a house and cars etc when we relocate to your country. If you would want to proceed under these terms, please reply for detailed information. If you do not accept my offer,please in good fate treat with utmost confidentiality . A quick reply with your name,telephone and fax numbers for more confidential communication will be highly appreciated. Regards , James Banana.

1 0

Support for systems without alloca or inttypes.h
by nisse＠lysator.liu.se 22 Jan '04

22 Jan '04

I've checked in some changes to make nettle compile on systems which lack alloca, and on systems which lack inttypes.h. For systems without alloca, some arbitrary limits have been placed on the input of a few functions, but I hope that won't be a problem in practice. As I don't have access to any systems that have these problems, I'll appreciate if Simon and any other people that have seen the problems could try it out and see if it works. As some shared but crucial files are not stored in the nettle corner of the cvs, the recommended way of cvs access is to check out the entire lsh tree, as per the instructions at http://www.lysator.liu.se/~nisse/lsh, run the top-level ./.bootstrap script (which sets up a few important symlinks and runs .bootstrap scripts in subdirectories), and then descend into the src/nettle directory for a standard ./configure && make there. Best regards, /Niels

2 5

Urgent Utilisation Assistance
by Chief. Otumba Adedeji 21 Jan '04

21 Jan '04

ADVISORY BOARD, NIGERIA DEPARTMENT OF PETROLEUM RESOURCES (D.P.R) Dear Urgent Utilisation Assistance. I am chief Otumba Adedeji the chairman of Contract advisory board of the Nigeria Department of Petroleum Resources (D.P.R) I am contacting you based on the esteem recommendation from a high ranking officer of the Chambers of Commerce and Industry, This business proposal I wish to intimate you with is of mutual benefit to you and me and its sucess is based on trust, co-operation and a high level of confidentiality. I am seeking your assistance in the utilisation of the sum US$18.5M ( Eighteen Million Five Hundred Thousand U.S.Dollars). This fund came about as a result of a contract awarded and executed here in this Department of Petroleum Resources(D.P.R). the Contract was supposed to be awarded to two Foreign Contractors to the tune of US$60,000,000,(Sixty Million United Dollars) But in the course of the negotiation that involved the then Senate President Late Chief Chuba Okadigbo while on seat, the Contract was awarded to a Malaysian Contractor at the cost of US$41,500,000(Fourty One Million Five Hundred Thousand U.S Dollars) to our benefit unknown to the Malaysian Contractor. I and the Senate President then resolved to transfer the excess of $18.5M into his Foreign Account in Switzerland for our Utilisation upon the completion of the Contract. This contract has been satisfactorily executed and inspected as the malaysian contractor is presently being paid, With the sudden death of the Senate President Chief Chuba Okadigbo I am forced to seek for a foreign Assistance as I am left alone to Utilise this Fund, but for the fact that I as a civil Servant is forbidden from operating a foreign Account here in my Country, I am seeking your assistance to provide me with foreign Account (Existing or Fresh) which this fund will be transfered for our Utilisation.This fund will shared thus: 35% for you the the Account owner (essential Assistance) 5% has been ear-marked for any incidental expenses, 60% is for me the Initiator of this transaction/deal All arrangements are in place to conclude this transaction within next few weeks of commencement. Please furnish me with your telephone/fax numbers and moblile telephone numbers on your reply to this mail on my confidential e-mail :otumbaadedeji@netscape.net. Regards, Chief Otumba Adedeji (jp)

1 0

New Software 241753
by 241753＠excite.com 17 Jan '04

17 Jan '04

1 0

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