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@scottgonzalez
Created July 21, 2010 23:21
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var crypto = require('crypto');
["sha1", "md5", "sha256", "sha512", "ripemd160"].forEach(function(algo) {
exports[algo] = function(data, salt) {
return (typeof salt != 'undefined' ?
crypto.createHmac(algo, salt) :
crypto.createHash(algo)
).update(data).digest("hex");
};
});
@Marak
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Marak commented Jul 22, 2010

im totally gonna sue you now

@isaacs
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isaacs commented Jul 22, 2010

@Marak
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Marak commented Jul 22, 2010

^^^ aahahah isaacs

 var crypto = require('crypto');

 ["sha1", "md5", "sha256", "sha512", "ripemd160"].forEach(function(algo) {
   exports[algo] = function(data, salt) {
     return crypto["createH"+(typeof salt != 'undefined' ? "mac":"ash"](algo,salt)
            .update(data).digest("hex");
   };
 });

@scottgonzalez
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Author

I almost wrote that but opted for readability :-P Now let's all stop playing around and land this in node :-)

@Marak
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Marak commented Jul 22, 2010

so i think we are going to sit on this for a few days.

isaacs has some really good ideas for doing streaming file checksums. lets see if anyone else responds on the mailing list

@Marak
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Marak commented Jul 22, 2010

something like

 var h = hasher("md5"); sys.pump(myFileReadStream, h); h.on("data", function (hash) { assert(hash === expectedHash) }

@isaacs
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isaacs commented Jul 22, 2010

Oh my god, you totally took my non-open-source proprietary IM and open sourced it on github.

You are so super sued.

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