6/8/2023 0 Comments 010 editor uint32 hashThus S^n(X) is equivalent to aĬircular shift of X by n positions to the left. When aĭiscarding the right-most n bits of X and then padding the result This document specifies a Secure Hash Algorithm, SHA-1, for computingĪ condensed representation of a message or a data file. Therein of the security of SHA-1 are made by the US Government, theĪuthor of, and not by the authors of this document. NOTE: The text below is mostly taken from and assertions Useful comments from the following, which have been incorporatedĮastlake & Jones Informational RFC 3174 US Secure Hash Algorithm 1 (SHA1) September 2001 Table of Contentsġ. Rivest of MIT when designing the MD4 message digestĪlgorithm and is modeled after that algorithm. The SHA-1 is based on principles similar to those used by Professor Implementation is "original" but its style is similar to the Only the C code implementation is "original". Most of the text herein was taken by the authors from FIPSġ80-1. The United States of America has adopted the SHA-1 hashĪlgorithm described herein as a Federal Information Processing The purpose of this document is to make the SHA-1 (Secure HashĪlgorithm 1) hash algorithm conveniently available to the InternetĬommunity. Distribution of thisĬopyright (C) The Internet Society (2001). Not specify an Internet standard of any kind. This memo provides information for the Internet community. Jones Cisco Systems September 2001 US Secure Hash Algorithm 1 (SHA1) Status of this Memo Eastlake, 3rd Request for Comments: 3174 Motorola Category: Informational P.
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