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author | Fedor Indutny <fedor.indutny@gmail.com> | 2012-06-18 00:14:20 +0400 |
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committer | Fedor Indutny <fedor.indutny@gmail.com> | 2012-06-18 00:59:31 +0400 |
commit | ae5b0e1fc190118957e2eaa4f4c71424adbf9c6e (patch) | |
tree | 83cabbfb279ed52cf9cbb941586245cc66b58b38 /test/pummel/test-dh-regr.js | |
parent | 6d70a4ae162e0f364c45ac2ad6d008bf99aae47f (diff) | |
download | android-node-v8-ae5b0e1fc190118957e2eaa4f4c71424adbf9c6e.tar.gz android-node-v8-ae5b0e1fc190118957e2eaa4f4c71424adbf9c6e.tar.bz2 android-node-v8-ae5b0e1fc190118957e2eaa4f4c71424adbf9c6e.zip |
crypto: add padding to diffie-hellman key
DH_size returns number of bytes in a prime number, DH_compute_key returns number
of bytes in a remainder of exponent, which may have less bytes than a prime
number. Therefore add 0-padding to the allocated buffer.
Fixes #3372
Diffstat (limited to 'test/pummel/test-dh-regr.js')
-rw-r--r-- | test/pummel/test-dh-regr.js | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/test/pummel/test-dh-regr.js b/test/pummel/test-dh-regr.js new file mode 100644 index 0000000000..2e626bd0b7 --- /dev/null +++ b/test/pummel/test-dh-regr.js @@ -0,0 +1,41 @@ +// Copyright Joyent, Inc. and other Node contributors. +// +// Permission is hereby granted, free of charge, to any person obtaining a +// copy of this software and associated documentation files (the +// "Software"), to deal in the Software without restriction, including +// without limitation the rights to use, copy, modify, merge, publish, +// distribute, sublicense, and/or sell copies of the Software, and to permit +// persons to whom the Software is furnished to do so, subject to the +// following conditions: +// +// The above copyright notice and this permission notice shall be included +// in all copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS +// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF +// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN +// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, +// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR +// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE +// USE OR OTHER DEALINGS IN THE SOFTWARE. + +var common = require('../common'); +var assert = require('assert'); + +var crypto = require('crypto'); + +var p = crypto.createDiffieHellman(256).getPrime(); + +for (var i = 0; i < 2000; i++) { + var a = crypto.createDiffieHellman(p), + b = crypto.createDiffieHellman(p); + + a.generateKeys(); + b.generateKeys(); + + assert.equal( + a.computeSecret(b.getPublicKey()), + b.computeSecret(a.getPublicKey()), + 'secrets should be equal!' + ); +} |