Sha256: 776219eef828272c51c1ecafd2b18c39d49ba4dbb824bfbe0d232d40ea015a98
Contents?: true
Size: 1.15 KB
Versions: 8
Compression:
Stored size: 1.15 KB
Contents
// adapted from https://github.com/apatil/pemstrip
var findProc = /Proc-Type: 4,ENCRYPTED\r?\nDEK-Info: AES-((?:128)|(?:192)|(?:256))-CBC,([0-9A-H]+)\r?\n\r?\n([0-9A-z\n\r\+\/\=]+)\r?\n/m
var startRegex = /^-----BEGIN (.*) KEY-----\r?\n/m
var fullRegex = /^-----BEGIN (.*) KEY-----\r?\n([0-9A-z\n\r\+\/\=]+)\r?\n-----END \1 KEY-----$/m
var evp = require('evp_bytestokey')
var ciphers = require('browserify-aes')
module.exports = function (okey, password) {
var key = okey.toString()
var match = key.match(findProc)
var decrypted
if (!match) {
var match2 = key.match(fullRegex)
decrypted = new Buffer(match2[2].replace(/\r?\n/g, ''), 'base64')
} else {
var suite = 'aes' + match[1]
var iv = new Buffer(match[2], 'hex')
var cipherText = new Buffer(match[3].replace(/\r?\n/g, ''), 'base64')
var cipherKey = evp(password, iv.slice(0, 8), parseInt(match[1], 10)).key
var out = []
var cipher = ciphers.createDecipheriv(suite, cipherKey, iv)
out.push(cipher.update(cipherText))
out.push(cipher.final())
decrypted = Buffer.concat(out)
}
var tag = key.match(startRegex)[1] + ' KEY'
return {
tag: tag,
data: decrypted
}
}
Version data entries
8 entries across 8 versions & 3 rubygems