1 files changed, 161 insertions, 0 deletions
diff --git a/deps/npm/node_modules/sshpk/lib/fingerprint.js b/deps/npm/node_modules/sshpk/lib/fingerprint.js
new file mode 100644
index 0000000000..7ed7e51304
--- /dev/null
+++ b/deps/npm/node_modules/sshpk/lib/fingerprint.js
@@ -0,0 +1,161 @@
+// Copyright 2015 Joyent, Inc.
+
+module.exports = Fingerprint;
+
+var assert = require('assert-plus');
+var algs = require('./algs');
+var crypto = require('crypto');
+var errs = require('./errors');
+var Key = require('./key');
+var Certificate = require('./certificate');
+var utils = require('./utils');
+
+var FingerprintFormatError = errs.FingerprintFormatError;
+var InvalidAlgorithmError = errs.InvalidAlgorithmError;
+
+function Fingerprint(opts) {
+	assert.object(opts, 'options');
+	assert.string(opts.type, 'options.type');
+	assert.buffer(opts.hash, 'options.hash');
+	assert.string(opts.algorithm, 'options.algorithm');
+
+	this.algorithm = opts.algorithm.toLowerCase();
+	if (algs.hashAlgs[this.algorithm] !== true)
+		throw (new InvalidAlgorithmError(this.algorithm));
+
+	this.hash = opts.hash;
+	this.type = opts.type;
+}
+
+Fingerprint.prototype.toString = function (format) {
+	if (format === undefined) {
+		if (this.algorithm === 'md5')
+			format = 'hex';
+		else
+			format = 'base64';
+	}
+	assert.string(format);
+
+	switch (format) {
+	case 'hex':
+		return (addColons(this.hash.toString('hex')));
+	case 'base64':
+		return (sshBase64Format(this.algorithm,
+		    this.hash.toString('base64')));
+	default:
+		throw (new FingerprintFormatError(undefined, format));
+	}
+};
+
+Fingerprint.prototype.matches = function (other) {
+	assert.object(other, 'key or certificate');
+	if (this.type === 'key') {
+		utils.assertCompatible(other, Key, [1, 0], 'key');
+	} else {
+		utils.assertCompatible(other, Certificate, [1, 0],
+		    'certificate');
+	}
+
+	var theirHash = other.hash(this.algorithm);
+	var theirHash2 = crypto.createHash(this.algorithm).
+	    update(theirHash).digest('base64');
+
+	if (this.hash2 === undefined)
+		this.hash2 = crypto.createHash(this.algorithm).
+		    update(this.hash).digest('base64');
+
+	return (this.hash2 === theirHash2);
+};
+
+Fingerprint.parse = function (fp, options) {
+	assert.string(fp, 'fingerprint');
+
+	var alg, hash, enAlgs;
+	if (Array.isArray(options)) {
+		enAlgs = options;
+		options = {};
+	}
+	assert.optionalObject(options, 'options');
+	if (options === undefined)
+		options = {};
+	if (options.enAlgs !== undefined)
+		enAlgs = options.enAlgs;
+	assert.optionalArrayOfString(enAlgs, 'algorithms');
+
+	var parts = fp.split(':');
+	if (parts.length == 2) {
+		alg = parts[0].toLowerCase();
+		/*JSSTYLED*/
+		var base64RE = /^[A-Za-z0-9+\/=]+$/;
+		if (!base64RE.test(parts[1]))
+			throw (new FingerprintFormatError(fp));
+		try {
+			hash = new Buffer(parts[1], 'base64');
+		} catch (e) {
+			throw (new FingerprintFormatError(fp));
+		}
+	} else if (parts.length > 2) {
+		alg = 'md5';
+		if (parts[0].toLowerCase() === 'md5')
+			parts = parts.slice(1);
+		parts = parts.join('');
+		/*JSSTYLED*/
+		var md5RE = /^[a-fA-F0-9]+$/;
+		if (!md5RE.test(parts))
+			throw (new FingerprintFormatError(fp));
+		try {
+			hash = new Buffer(parts, 'hex');
+		} catch (e) {
+			throw (new FingerprintFormatError(fp));
+		}
+	}
+
+	if (alg === undefined)
+		throw (new FingerprintFormatError(fp));
+
+	if (algs.hashAlgs[alg] === undefined)
+		throw (new InvalidAlgorithmError(alg));
+
+	if (enAlgs !== undefined) {
+		enAlgs = enAlgs.map(function (a) { return a.toLowerCase(); });
+		if (enAlgs.indexOf(alg) === -1)
+			throw (new InvalidAlgorithmError(alg));
+	}
+
+	return (new Fingerprint({
+		algorithm: alg,
+		hash: hash,
+		type: options.type || 'key'
+	}));
+};
+
+function addColons(s) {
+	/*JSSTYLED*/
+	return (s.replace(/(.{2})(?=.)/g, '$1:'));
+}
+
+function base64Strip(s) {
+	/*JSSTYLED*/
+	return (s.replace(/=*$/, ''));
+}
+
+function sshBase64Format(alg, h) {
+	return (alg.toUpperCase() + ':' + base64Strip(h));
+}
+
+Fingerprint.isFingerprint = function (obj, ver) {
+	return (utils.isCompatible(obj, Fingerprint, ver));
+};
+
+/*
+ * API versions for Fingerprint:
+ * [1,0] -- initial ver
+ * [1,1] -- first tagged ver
+ */
+Fingerprint.prototype._sshpkApiVersion = [1, 1];
+
+Fingerprint._oldVersionDetect = function (obj) {
+	assert.func(obj.toString);
+	assert.func(obj.matches);
+	return ([1, 0]);
+};