var exports = module.exports = function SHA (algorithm) {
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algorithm = algorithm.toLowerCase()
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var Algorithm = exports[algorithm]
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if (!Algorithm) throw new Error(algorithm + ' is not supported (we accept pull requests)')
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return new Algorithm()
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}
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exports.sha = require('./sha')
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exports.sha1 = require('./sha1')
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exports.sha224 = require('./sha224')
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exports.sha256 = require('./sha256')
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exports.sha384 = require('./sha384')
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exports.sha512 = require('./sha512')
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