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hmac#sha1 に ruby, python, perl 実装を追加しました #1

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105 autoload/hmac.vim 100644 → 100755
@@ -18,8 +18,109 @@ function hmac#md5(key, text)
return hmac#hmac(a:key, a:text, 'md5#md5bin', 64)
endfunction
function hmac#sha1(key, text)
return hmac#hmac(a:key, a:text, 'sha1#sha1bin', 64)
function hmac#sha1(key, txt)
if exists('s:sha1_method')
return call(s:sha1_method, [a:key, a:txt])
endif
let ret = s:sha1_ruby(a:key, a:txt)
if ret != ''
let s:sha1_method = 's:sha1_ruby'
return ret
endif
let ret = s:sha1_python(a:key, a:txt)
if ret != ''
let s:sha1_method = 's:sha1_python'
return ret
endif
let ret = s:sha1_perl(a:key, a:txt)
if ret != ''
let s:sha1_method = 's:sha1_perl'
return ret
endif
let s:sha1_method = 's:sha1_vim'
return s:sha1_vim(a:key, a:txt)
endfunction
function! s:sha1_ruby(key, txt)
if !has('ruby')
return ''
endif
try
ruby << EOF
require 'openssl'
key = VIM.evaluate("a:key")
txt = VIM.evaluate("a:txt")
digest = OpenSSL::Digest::Digest.new('sha1')
result = OpenSSL::HMAC.hexdigest(digest, key, txt)
VIM.command("let ret = '#{result}'")
EOF
return ret
catch
return ''
endtry
endfunction
function s:sha1_python(key, txt)
if !has('python')
return ''
endif
try
python << EOF
import vim
import hashlib
import hmac
key = vim.eval("a:key")
txt = vim.eval('a:txt')
hex = hmac.new(key, txt, hashlib.sha1).hexdigest()
vim.command('let ret = "{0}"'.format(hex))
EOF
return ret
catch
return ''
endtry
endfunction
function! s:sha1_perl(key, txt)
if !has('perl')
return ''
endif
try
perl << EOF
# http://adiary.blog.abk.nu/0274
# license : PDS
require Digest::SHA1;
my $key = VIM::Eval('a:key');
my $msg = VIM::Eval('a:txt');
my $sha1 = Digest::SHA1->new;
if (length($key) > 64) {
$key = $sha1->add($key)->digest;
$sha1->reset;
}
my $k_opad = $key ^ ("\x5c" x 64);
my $k_ipad = $key ^ ("\x36" x 64);
$sha1->add($k_ipad);
$sha1->add($msg);
my $hk_ipad = $sha1->digest;
$sha1->reset;
$sha1->add($k_opad, $hk_ipad);
my $b64d = $sha1->hexdigest;
VIM::DoCommand('let ret = "' . $b64d . '"');
EOF
return ret
catch
return ''
endtry
endfunction
function! s:sha1_vim(key, txt)
return hmac#hmac(a:key, a:txt, 'sha1#sha1bin', 64)
endfunction
" http://www.ietf.org/rfc/rfc2202.txt