From 81ddf9b700bc48a1f8e472209f080f9c1d9a9b09 Mon Sep 17 00:00:00 2001
From: Piotr Russ <mail@pruss.it>
Date: Wed, 18 Nov 2020 23:26:45 +0100
Subject: rm node_modules

---
 node_modules/browserify-sign/browser/sign.js | 143 ---------------------------
 1 file changed, 143 deletions(-)
 delete mode 100644 node_modules/browserify-sign/browser/sign.js

(limited to 'node_modules/browserify-sign/browser/sign.js')

diff --git a/node_modules/browserify-sign/browser/sign.js b/node_modules/browserify-sign/browser/sign.js
deleted file mode 100644
index 52bc0fa..0000000
--- a/node_modules/browserify-sign/browser/sign.js
+++ /dev/null
@@ -1,143 +0,0 @@
-// much of this based on https://github.com/indutny/self-signed/blob/gh-pages/lib/rsa.js
-var Buffer = require('safe-buffer').Buffer
-var createHmac = require('create-hmac')
-var crt = require('browserify-rsa')
-var EC = require('elliptic').ec
-var BN = require('bn.js')
-var parseKeys = require('parse-asn1')
-var curves = require('./curves.json')
-
-function sign (hash, key, hashType, signType, tag) {
-  var priv = parseKeys(key)
-  if (priv.curve) {
-    // rsa keys can be interpreted as ecdsa ones in openssl
-    if (signType !== 'ecdsa' && signType !== 'ecdsa/rsa') throw new Error('wrong private key type')
-    return ecSign(hash, priv)
-  } else if (priv.type === 'dsa') {
-    if (signType !== 'dsa') throw new Error('wrong private key type')
-    return dsaSign(hash, priv, hashType)
-  } else {
-    if (signType !== 'rsa' && signType !== 'ecdsa/rsa') throw new Error('wrong private key type')
-  }
-  hash = Buffer.concat([tag, hash])
-  var len = priv.modulus.byteLength()
-  var pad = [0, 1]
-  while (hash.length + pad.length + 1 < len) pad.push(0xff)
-  pad.push(0x00)
-  var i = -1
-  while (++i < hash.length) pad.push(hash[i])
-
-  var out = crt(pad, priv)
-  return out
-}
-
-function ecSign (hash, priv) {
-  var curveId = curves[priv.curve.join('.')]
-  if (!curveId) throw new Error('unknown curve ' + priv.curve.join('.'))
-
-  var curve = new EC(curveId)
-  var key = curve.keyFromPrivate(priv.privateKey)
-  var out = key.sign(hash)
-
-  return Buffer.from(out.toDER())
-}
-
-function dsaSign (hash, priv, algo) {
-  var x = priv.params.priv_key
-  var p = priv.params.p
-  var q = priv.params.q
-  var g = priv.params.g
-  var r = new BN(0)
-  var k
-  var H = bits2int(hash, q).mod(q)
-  var s = false
-  var kv = getKey(x, q, hash, algo)
-  while (s === false) {
-    k = makeKey(q, kv, algo)
-    r = makeR(g, k, p, q)
-    s = k.invm(q).imul(H.add(x.mul(r))).mod(q)
-    if (s.cmpn(0) === 0) {
-      s = false
-      r = new BN(0)
-    }
-  }
-  return toDER(r, s)
-}
-
-function toDER (r, s) {
-  r = r.toArray()
-  s = s.toArray()
-
-  // Pad values
-  if (r[0] & 0x80) r = [0].concat(r)
-  if (s[0] & 0x80) s = [0].concat(s)
-
-  var total = r.length + s.length + 4
-  var res = [0x30, total, 0x02, r.length]
-  res = res.concat(r, [0x02, s.length], s)
-  return Buffer.from(res)
-}
-
-function getKey (x, q, hash, algo) {
-  x = Buffer.from(x.toArray())
-  if (x.length < q.byteLength()) {
-    var zeros = Buffer.alloc(q.byteLength() - x.length)
-    x = Buffer.concat([zeros, x])
-  }
-  var hlen = hash.length
-  var hbits = bits2octets(hash, q)
-  var v = Buffer.alloc(hlen)
-  v.fill(1)
-  var k = Buffer.alloc(hlen)
-  k = createHmac(algo, k).update(v).update(Buffer.from([0])).update(x).update(hbits).digest()
-  v = createHmac(algo, k).update(v).digest()
-  k = createHmac(algo, k).update(v).update(Buffer.from([1])).update(x).update(hbits).digest()
-  v = createHmac(algo, k).update(v).digest()
-  return { k: k, v: v }
-}
-
-function bits2int (obits, q) {
-  var bits = new BN(obits)
-  var shift = (obits.length << 3) - q.bitLength()
-  if (shift > 0) bits.ishrn(shift)
-  return bits
-}
-
-function bits2octets (bits, q) {
-  bits = bits2int(bits, q)
-  bits = bits.mod(q)
-  var out = Buffer.from(bits.toArray())
-  if (out.length < q.byteLength()) {
-    var zeros = Buffer.alloc(q.byteLength() - out.length)
-    out = Buffer.concat([zeros, out])
-  }
-  return out
-}
-
-function makeKey (q, kv, algo) {
-  var t
-  var k
-
-  do {
-    t = Buffer.alloc(0)
-
-    while (t.length * 8 < q.bitLength()) {
-      kv.v = createHmac(algo, kv.k).update(kv.v).digest()
-      t = Buffer.concat([t, kv.v])
-    }
-
-    k = bits2int(t, q)
-    kv.k = createHmac(algo, kv.k).update(kv.v).update(Buffer.from([0])).digest()
-    kv.v = createHmac(algo, kv.k).update(kv.v).digest()
-  } while (k.cmp(q) !== -1)
-
-  return k
-}
-
-function makeR (g, k, p, q) {
-  return g.toRed(BN.mont(p)).redPow(k).fromRed().mod(q)
-}
-
-module.exports = sign
-module.exports.getKey = getKey
-module.exports.makeKey = makeKey
-- 
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