blocktrail /
blocktrail-sdk-nodejs
| Total Complexity | 2 |
| Complexity/F | 2 |
| Lines of Code | 25 |
| Function Count | 1 |
| Duplicated Lines | 0 |
| Ratio | 0 % |
| Changes | 0 | ||
| 1 | var assert = require('assert'), |
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| 2 | pbkdf2Sha512 = require('./pbkdf2_sha512'); |
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| 3 | |||
| 4 | var KeyDerivation = { |
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| 5 | defaultIterations: 35000, |
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| 6 | subkeyIterations: 1, |
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| 7 | keySizeBits: 256 |
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| 8 | }; |
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| 9 | |||
| 10 | KeyDerivation.compute = function(pw, salt, iterations) { |
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| 11 | iterations = iterations || this.defaultIterations; |
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| 12 | assert(pw instanceof Buffer, 'Password must be provided as a Buffer'); |
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| 13 | assert(salt instanceof Buffer, 'Salt must be provided as a Buffer'); |
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| 14 | assert(salt.length > 0, 'Salt must not be empty'); |
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| 15 | assert(typeof iterations === 'number', 'Iterations must be a number'); |
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| 16 | assert(iterations > 0, 'Iteration count should be at least 1'); |
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| 17 | |||
| 18 | if (salt.length > 0x80) { |
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| 19 | throw new Error('Sanity check: Invalid salt, length can never be greater than 128'); |
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| 20 | } |
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| 21 | |||
| 22 | return pbkdf2Sha512.digest(pw, salt, iterations, this.keySizeBits / 8); |
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| 23 | }; |
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| 24 | |||
| 25 | module.exports = KeyDerivation; |
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| 26 |
This checks looks for references to variables that have not been declared. This is most likey a typographical error or a variable has been renamed.
To learn more about declaring variables in Javascript, see the MDN.