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author | 2020-11-16 00:10:28 +0100 | |
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committer | 2020-11-16 00:10:28 +0100 | |
commit | e06ec920f7a5d784e674c4c4b4e6d1da3dc7391d (patch) | |
tree | 55713f725f77b44ebfec86e4eec3ce33e71458ca /node_modules/pbkdf2/lib/sync.js | |
download | website_creator-e06ec920f7a5d784e674c4c4b4e6d1da3dc7391d.tar.gz website_creator-e06ec920f7a5d784e674c4c4b4e6d1da3dc7391d.tar.bz2 website_creator-e06ec920f7a5d784e674c4c4b4e6d1da3dc7391d.zip |
api, login, auth
Diffstat (limited to 'node_modules/pbkdf2/lib/sync.js')
-rw-r--r-- | node_modules/pbkdf2/lib/sync.js | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/node_modules/pbkdf2/lib/sync.js b/node_modules/pbkdf2/lib/sync.js new file mode 100644 index 0000000..9eeca48 --- /dev/null +++ b/node_modules/pbkdf2/lib/sync.js @@ -0,0 +1,52 @@ +var sizes = { + md5: 16, + sha1: 20, + sha224: 28, + sha256: 32, + sha384: 48, + sha512: 64, + rmd160: 20, + ripemd160: 20 +} + +var createHmac = require('create-hmac') +var Buffer = require('safe-buffer').Buffer + +var checkParameters = require('./precondition') +var defaultEncoding = require('./default-encoding') +var toBuffer = require('./to-buffer') + +function pbkdf2 (password, salt, iterations, keylen, digest) { + checkParameters(iterations, keylen) + password = toBuffer(password, defaultEncoding, 'Password') + salt = toBuffer(salt, defaultEncoding, 'Salt') + + digest = digest || 'sha1' + + var DK = Buffer.allocUnsafe(keylen) + var block1 = Buffer.allocUnsafe(salt.length + 4) + salt.copy(block1, 0, 0, salt.length) + + var destPos = 0 + var hLen = sizes[digest] + var l = Math.ceil(keylen / hLen) + + for (var i = 1; i <= l; i++) { + block1.writeUInt32BE(i, salt.length) + + var T = createHmac(digest, password).update(block1).digest() + var U = T + + for (var j = 1; j < iterations; j++) { + U = createHmac(digest, password).update(U).digest() + for (var k = 0; k < hLen; k++) T[k] ^= U[k] + } + + T.copy(DK, destPos) + destPos += hLen + } + + return DK +} + +module.exports = pbkdf2 |