# Cryptography Tutorials - Tutorial Addendum - Bulletin Abstract - SHA1 Algorithm

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31 December 18:00

(Continued from antecedent part...)

If you run this sample program with PHP 5, you should get:

`     SHA1("") =       da39a3ee5e6b4b0d3255bfef95601890afd80709    SHA1("abc") =       a9993e364706816aba3e25717850c26c9cd0d89d    SHA1("abcdefghijklmnopqrstuvwxyz") =       32d10c7b8cf96570ca04ce37f2a19d84240d3a89    `

SHA1 Accomplishing in Perl

If you are absorbed in using SHA1 in Perl, you can attending a actual absorbing

implementation by John Allen in 8 curve of perl5, see

http://www.cypherspace.org/adam/rsa/sha.html. Actuality is a archetype of John s code,

stored in PerlSha1In8Lines.pl:

`    #!/usr/bin/perl -iD9T4C`>_-JXF8NMS^\$#)4=L/2X?!:@GF9;MGKH8;O-S*8L 6    @A=unpack"N*",unpack u,\$^I;@K=splice@A,5,4;sub M{(\$x=pop)-(\$m=1+~0)*int\$x/\$m};    sub L{\$n=pop;(\$x=pop)<<\$n|2**\$n-1&\$x>>32-\$n}@F=(sub{\$b&(\$c^\$d)^\$d},\$S=sub{\$b^\$c    ^\$d},sub{(\$b|\$c)&\$d|\$b&\$c},\$S);do{\$l+=\$r=read STDIN,\$_,64;\$r++,\$_.="x80"if\$r<    64&&!\$p++;@W=unpack N16,\$_."					  `
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