50 lines
		
	
	
		
			1.6 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
			
		
		
	
	
			50 lines
		
	
	
		
			1.6 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
| var test = require('tape')
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| var crypto = require('diffie-hellman/browser')
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| 
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| test('diffie-hellman mod groups', function (t) {
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|   [
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|     'modp1', 'modp2', 'modp5', 'modp14', 'modp15', 'modp16'
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|   ].forEach(function (mod) {
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|     t.test(mod, function (t) {
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|       t.plan(3)
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|       var dh1 = crypto.getDiffieHellman(mod)
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|       var p1 = dh1.getPrime().toString('hex')
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|       dh1.generateKeys()
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|       var dh2 = crypto.getDiffieHellman(mod)
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|       var p2 = dh2.getPrime().toString('hex')
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|       dh2.generateKeys()
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|       t.equals(p1, p2, 'equal primes')
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|       var pubk1 = dh1.getPublicKey()
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|       var pubk2 = dh2.getPublicKey()
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|       t.notEquals(pubk1, pubk2, 'diff public keys')
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|       var pub1 = dh1.computeSecret(pubk2).toString('hex')
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|       var pub2 = dh2.computeSecret(dh1.getPublicKey()).toString('hex')
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|       t.equals(pub1, pub2, 'equal secrets')
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|     })
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|   })
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| })
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| 
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| test('diffie-hellman key lengths', function (t) {
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|   [
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|     64, 65, 192
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|   ].forEach(function (len) {
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|     t.test('' + len, function (t) {
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|       t.plan(3)
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|       var dh2 = crypto.createDiffieHellman(len)
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|       var prime2 = dh2.getPrime()
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|       var p2 = prime2.toString('hex')
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|       var dh1 = crypto.createDiffieHellman(prime2)
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|       var p1 = dh1.getPrime().toString('hex')
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|       dh1.generateKeys()
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|       dh2.generateKeys()
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|       t.equals(p1, p2, 'equal primes')
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|       var pubk1 = dh1.getPublicKey()
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|       var pubk2 = dh2.getPublicKey()
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|       t.notEquals(pubk1, pubk2, 'diff public keys')
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|       var pub1 = dh1.computeSecret(pubk2).toString('hex')
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|       var pub2 = dh2.computeSecret(dh1.getPublicKey()).toString('hex')
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|       t.equals(pub1, pub2, 'equal secrets')
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|     })
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|   })
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| })
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