From 6e01cc3cce635b34d360999b81d0ec4c78813394 Mon Sep 17 00:00:00 2001 From: cgeek <cem.moreau@gmail.com> Date: Thu, 9 Oct 2014 13:18:50 +0200 Subject: [PATCH] Externalized naclb library --- app/lib/crypto.js | 2 +- naclb/binding.gyp | 8 - naclb/index.js | 2 - naclb/nacl.cc | 95 ----- naclb/package.json | 15 - naclb/randombytes.cpp | 41 -- naclb/randombytes.h | 1 - naclb/test.js | 29 -- naclb/tweetnacl.cpp | 945 ------------------------------------------ naclb/tweetnacl.h | 30 -- package.json | 2 +- 11 files changed, 2 insertions(+), 1168 deletions(-) delete mode 100644 naclb/binding.gyp delete mode 100644 naclb/index.js delete mode 100644 naclb/nacl.cc delete mode 100644 naclb/package.json delete mode 100644 naclb/randombytes.cpp delete mode 100644 naclb/randombytes.h delete mode 100644 naclb/test.js delete mode 100644 naclb/tweetnacl.cpp delete mode 100644 naclb/tweetnacl.h diff --git a/app/lib/crypto.js b/app/lib/crypto.js index c4261665e..4c7c51cb5 100644 --- a/app/lib/crypto.js +++ b/app/lib/crypto.js @@ -1,7 +1,7 @@ var nacl = require('tweetnacl'); var scrypt = require('scrypt'); var base58 = require('./base58'); -var naclBinding = require('../../naclb'); +var naclBinding = require('naclb'); const crypto_sign_BYTES = 64; var SEED_LENGTH = 32; // Length of the key diff --git a/naclb/binding.gyp b/naclb/binding.gyp deleted file mode 100644 index d03fd829a..000000000 --- a/naclb/binding.gyp +++ /dev/null @@ -1,8 +0,0 @@ -{ - "targets": [ - { - "target_name": "nacl", - "sources": [ "nacl.cc", "tweetnacl.cpp", "randombytes.cpp" ] - } - ] -} diff --git a/naclb/index.js b/naclb/index.js deleted file mode 100644 index 66e894af7..000000000 --- a/naclb/index.js +++ /dev/null @@ -1,2 +0,0 @@ -// Exposes 2 methods: verify(msg, sig, pub), sign(msg, sec) -module.exports = require('bindings')('nacl'); diff --git a/naclb/nacl.cc b/naclb/nacl.cc deleted file mode 100644 index 0ce87332b..000000000 --- a/naclb/nacl.cc +++ /dev/null @@ -1,95 +0,0 @@ -#include <node.h> -#include <v8.h> -#include <stdio.h> -#include <stdlib.h> -#include "tweetnacl.h" - -typedef unsigned char u8; -typedef unsigned int u32; -typedef unsigned long long u64; -typedef long long i64; -typedef i64 gf[16]; - -const int crypto_sign_BYTES = 64; - -using namespace v8; - -/** -* Verifies a signature using Ed25519 scheme. -* -* arg0 (Uint8Array): clear message to be verified -* arg1 (Uint8Array): signature to check message against -* arg2 (Uint8Array): public key to use for verification -*/ -Handle<Value> Verify(const Arguments& args) { - HandleScope scope; - - // Reading clear message - Local<Object> msg = args[0]->ToObject(); - u64 mlen = msg->GetIndexedPropertiesExternalArrayDataLength(); - u8* m = static_cast<u8*>(msg->GetIndexedPropertiesExternalArrayData()); - - // Reading detached signature - Local<Object> sig = args[1]->ToObject(); - u64 smlen = sig->GetIndexedPropertiesExternalArrayDataLength(); - const u8* sm = static_cast<u8*>(sig->GetIndexedPropertiesExternalArrayData()); - - // Reading public key - Local<Object> pub = args[2]->ToObject(); - const u8* pubk = static_cast<u8*>(pub->GetIndexedPropertiesExternalArrayData()); - - // Verifying authenticity - int res = crypto_sign_open(m,&mlen,sm,smlen,pubk); - if (res == 0) - // Good signature - return scope.Close(Boolean::New(true)); - else - // Wrong signature or error - return scope.Close(Boolean::New(false)); -} - -/** -* Signs a message using Ed25519 scheme. -* -* arg0 (Uint8Array): clear message to be signed -* arg1 (Uint8Array): sec key to use for verification -*/ -Handle<Value> Sign(const Arguments& args) { - HandleScope scope; - - // Reading clear message - Local<Object> msg = args[0]->ToObject(); - u64 mlen = msg->GetIndexedPropertiesExternalArrayDataLength(); - const u8* m = static_cast<u8*>(msg->GetIndexedPropertiesExternalArrayData()); - - // Reading public key - Local<Object> sec = args[1]->ToObject(); - const u8* seck = static_cast<u8*>(sec->GetIndexedPropertiesExternalArrayData()); - - u8* sm; - u64 smlen = 0; - - sm = (u8*) malloc(mlen + crypto_sign_BYTES); - - // Signing - crypto_sign(sm,&smlen,m,mlen,seck); - - // Result - Local<Value> size = Integer::NewFromUnsigned(smlen); - Local<Object> array = Array::New(size->IntegerValue()); - - for (int i = 0; i < size->IntegerValue(); i++) { - array->Set(i, Integer::NewFromUnsigned(sm[i])); - } - - return scope.Close(array); -} - -void Init(Handle<Object> exports) { - exports->Set(String::NewSymbol("verify"), - FunctionTemplate::New(Verify)->GetFunction()); - exports->Set(String::NewSymbol("sign"), - FunctionTemplate::New(Sign)->GetFunction()); -} - -NODE_MODULE(nacl, Init) diff --git a/naclb/package.json b/naclb/package.json deleted file mode 100644 index 4016b1438..000000000 --- a/naclb/package.json +++ /dev/null @@ -1,15 +0,0 @@ -{ - "name": "naclb", - "version": "0.0.1", - "description": "Node.js Addon for NaCl Binding", - "main": "index.js", - "private": true, - "scripts": { - "test": "node test.js" - }, - "gypfile": true, - "dependencies": { - "bindings": "~1.2.1", - "nan": "^1.3.0" - } -} diff --git a/naclb/randombytes.cpp b/naclb/randombytes.cpp deleted file mode 100644 index 66f3d720a..000000000 --- a/naclb/randombytes.cpp +++ /dev/null @@ -1,41 +0,0 @@ -#ifdef WIN32 -#include "Windows.h" -#endif -#include <stdio.h> -#include <stdlib.h> - -void randombytes(unsigned char * ptr,unsigned int length) -{ - char failed = 0; -#ifdef WIN32 - static HCRYPTPROV prov = 0; - if (prov == 0) { - if (!CryptAcquireContext(&prov, NULL, NULL, PROV_RSA_FULL, 0)) { - failed = 1; - } - } - if (!failed && !CryptGenRandom(prov, length, ptr)) { - failed = 1; - } -#else - FILE* fh = fopen("/dev/urandom", "rb"); - if (fh != NULL) { - if (fread(ptr, length, 1, fh) == 0) { - failed = 1; - } - fclose(fh); - } else { - failed = 1; - } -#endif - /* - * yes, this is horrible error handling but we don't have better - * options from here and I don't want to start changing the design - * of the library - */ - if (failed) { - fprintf(stderr, "Generating random data failed. Please report " - "this to https://github.com/ultramancool\n"); - exit(1); - } -} diff --git a/naclb/randombytes.h b/naclb/randombytes.h deleted file mode 100644 index 7601c676c..000000000 --- a/naclb/randombytes.h +++ /dev/null @@ -1 +0,0 @@ -void randombytes(unsigned char * ptr,unsigned int length); diff --git a/naclb/test.js b/naclb/test.js deleted file mode 100644 index 0bc5cfca3..000000000 --- a/naclb/test.js +++ /dev/null @@ -1,29 +0,0 @@ -var addon = require('bindings')('nacl'); -var nacl = require('tweetnacl'); -var base58 = require('../app/lib/base58'); - -var rawPub = "HgTTJLAQ5sqfknMq7yLPZbehtuLSsKj9CxWN7k8QvYJd"; -var rawMsg = "UID:CAT\nMETA:TS:1411321474\n"; -var rawSig = "YvMQqaOAgLtnJzg5ZGhI17sZvXjGgzpSMxNz8ikttMspU5/45MQAqnOfuJnfbrzkkspGlUUjDnUPsOmHPcVyBQ=="; -var rawSec = "51w4fEShBk1jCMauWu4mLpmDVfHksKmWcygpxriqCEZizbtERA6de4STKRkQBpxmMUwsKXRjSzuQ8ECwmqN1u2DP"; - -var msg = nacl.util.decodeUTF8(rawMsg); -var sig = nacl.util.decodeBase64(rawSig); -var pub = base58.decode(rawPub); -var sec = base58.decode(rawSec); - -const crypto_sign_BYTES = 64; -// checkArrayTypes(msg, sig, publicKey); -// if (sig.length !== crypto_sign_BYTES) -// throw new Error('bad signature size'); -// if (publicKey.length !== crypto_sign_PUBLICKEYBYTES) -// throw new Error('bad public key size'); -var start = new Date(); -var sm = new Uint8Array(crypto_sign_BYTES + msg.length); -var m = new Uint8Array(crypto_sign_BYTES + msg.length); -var i; -for (i = 0; i < crypto_sign_BYTES; i++) sm[i] = sig[i]; -for (i = 0; i < msg.length; i++) sm[i+crypto_sign_BYTES] = msg[i]; - -// console.log(addon.verify(m, sm, pub)); -// console.log(addon.sign(m, sec)); diff --git a/naclb/tweetnacl.cpp b/naclb/tweetnacl.cpp deleted file mode 100644 index b05992834..000000000 --- a/naclb/tweetnacl.cpp +++ /dev/null @@ -1,945 +0,0 @@ -#include "tweetnacl.h" -#include "randombytes.h" - -#define FOR(i,n) for (i = 0;i < n;++i) -#define sv static void - -static const u8 _0[16] = {}, _9[32] = {9}; - -static const gf gf0 = {}, gf1 = {1}, _121665 = {0xDB41, 1}, D = {0x78a3, 0x1359, 0x4dca, 0x75eb, 0xd8ab, - 0x4141, 0x0a4d, 0x0070, 0xe898, 0x7779, 0x4079, 0x8cc7, 0xfe73, 0x2b6f, 0x6cee, 0x5203}, D2 = {0xf159, 0x26b2, 0x9b94, 0xebd6, 0xb156, 0x8283, 0x149a, 0x00e0, - 0xd130, 0xeef3, 0x80f2, 0x198e, 0xfce7, 0x56df, 0xd9dc, 0x2406}, X = {0xd51a, 0x8f25, 0x2d60, 0xc956, 0xa7b2, 0x9525, 0xc760, 0x692c, 0xdc5c, 0xfdd6, 0xe231, - 0xc0a4, 0x53fe, 0xcd6e, 0x36d3, 0x2169}, Y = {0x6658, 0x6666, 0x6666, 0x6666, 0x6666, 0x6666, 0x6666, 0x6666, 0x6666, 0x6666, 0x6666, 0x6666, 0x6666, 0x6666, - 0x6666, 0x6666}, I = {0xa0b0, 0x4a0e, 0x1b27, 0xc4ee, 0xe478, 0xad2f, 0x1806, 0x2f43, 0xd7a7, 0x3dfb, 0x0099, 0x2b4d, 0xdf0b, 0x4fc1, 0x2480, 0x2b83}; - -static -u32 L32(u32 x, int c){ - return (x << c) | (x >> (32 - c)); -} - -static u32 -ld32(const u8 * x) -{ - u32 u = x[3]; - u = (u << 8) | x[2]; - u = (u << 8) | x[1]; - return (u << 8) | x[0]; -} - -static u64 -dl64(const u8 * x) -{ - u64 i, u = 0; - FOR(i, 8) u = (u << 8) | x[i]; - return u; -} - -sv -st32(u8 * x, u32 u) -{ - int i; - FOR(i, 4) { - x[i] = u; - u >>= 8; - } -} - -sv -ts64(u8 * x, u64 u) -{ - int i; - for (i = 7; i >= 0; --i) { - x[i] = u; - u >>= 8; - } -} - -static int -vn(const u8 * x, const u8 * y, int n) -{ - u32 i, d = 0; - FOR(i, n) d |= x[i] ^ y[i]; - return (1 & ((d - 1) >> 8)) - 1; -} - -int -crypto_verify_16(const u8 * x, const u8 * y){ - return vn(x, y, 16); -} - -int -crypto_verify_32(const u8 * x, const u8 * y){ - return vn(x, y, 32); -} - -sv -core(u8 * out, - const u8 * in, const u8 * k, const u8 * c, int h) -{ - u32 w[16], x[16], y[16], t[4]; - int i, j, m; - FOR(i, 4) { - x[5 * i] = ld32(c + 4 * i); - x[1 + i] = ld32(k + 4 * i); - x[6 + i] = ld32(in + 4 * i); - x[11 + i] = ld32(k + 16 + 4 * i); - } - FOR(i, 16) y[i] = x[i]; - FOR(i, 20) { - FOR(j, 4) { - FOR(m, 4) t[m] = x[(5 * j + 4 * m) % 16]; - t[1] ^= L32(t[0] + t[3], 7); - t[2] ^= L32(t[1] + t[0], 9); - t[3] ^= L32(t[2] + t[1], 13); - t[0] ^= L32(t[3] + t[2], 18); - FOR(m, 4) w[4 * j + (j + m) % 4] = t[m]; - } - FOR(m, 16) x[m] = w[m]; - } - if (h) { - FOR(i, 16) x[i] += y[i]; - FOR(i, 4) { - x[5 * i] -= ld32(c + 4 * i); - x[6 + i] -= ld32(in + 4 * i); - } - FOR(i, 4) { - st32(out + 4 * i, x[5 * i]); - st32(out + 16 + 4 * i, x[6 + i]); - } - } else { - FOR(i, 16) st32(out + 4 * i, x[i] + y[i]); - } -} - -int -crypto_core_salsa20(u8 * out, const u8 * in, const u8 * k, const u8 * c){ - core(out, in, k, c, 0); - return 0; -} - -int -crypto_core_hsalsa20(u8 * out, const u8 * in, const - u8 * k, const u8 * c) -{ - core(out, in, k, c, 1); - return 0; -} - -static const u8 sigma[16] = "expand 32-bytek"; - -int -crypto_stream_salsa20_xor(u8 * c, const u8 * m, u64 - b, const u8 * n, const u8 * k) -{ - u8 z[16], x[64]; - u32 u, i; - if (!b) { - return 0; - } - FOR(i, 16) { - z[i] = 0; - } - FOR(i, 8) { - z[i] = n[i]; - } - while (b >= 64) { - crypto_core_salsa20(x, z, k, sigma); - FOR(i, 64) { - c[i] = (m ? m[i] : 0) ^ x[i]; - } - u = 1; - for (i = 8; i < 16; ++i) { - u += (u32) z[i]; - z[i] = u; - u >>= 8; - } - b -= 64; - c += 64; - if (m) { - m += 64; - } - } - if (b) { - crypto_core_salsa20(x, z, k, sigma); - FOR(i, b) { - c[i] = (m ? m[i] : 0) ^ x[i]; - } - } - return 0; -} - -int -crypto_stream_salsa20(u8 * c, u64 d, const u8 * n, const u8 * k) -{ - return crypto_stream_salsa20_xor(c, 0, d, n, k); -} - -int crypto_stream(u8 * c, u64 d, const u8 * n, const u8 * k){ - u8 s[32]; - crypto_core_hsalsa20(s, n, k, sigma); - return crypto_stream_salsa20(c, d, n + 16, s); -} - -int -crypto_stream_xor(u8 * c, const u8 * m, u64 d, const u8 * n, const u8 * k) -{ - u8 s[32]; - crypto_core_hsalsa20(s, n, k, sigma); - return crypto_stream_salsa20_xor(c, m, d, n + 16, s); -} - -sv -add1305(u32 * h, const u32 * c) -{ - u32 j, u = 0; - FOR(j, 17) { - u += h[j] + c[j]; - h[j] = u & 255; - u >>= 8; - } -} - -static const u32 minusp[17] = {5, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 252}; - -int -crypto_onetimeauth(u8 * out, const u8 * m, u64 n, const u8 * k) -{ - u32 s, i, j, u, x[17], r[17], h[17], c[17], g[17]; - FOR(j, 17) { - r[j] = h[j] = 0; - } - FOR(j, 16) { - r[j] = k[j]; - } - r[3] &= 15; - r[4] &= 252; - r[7] &= 15; - r[8] &= 252; - r[11] &= 15; - r[12] &= 252; - r[15] &= 15; - while (n > 0) { - FOR(j, 17) { - c[j] = 0; - } - for (j = 0; (j < 16) && (j < n); ++j) { - c[j] = m[j]; - } - c[j] = 1; - m += j; - n -= j; - add1305(h, c); - FOR(i, 17) { - x[i] = 0; - FOR(j, 17) { - x[i] += h[j] * ((j <= i) ? r[i - j] : 320 * r[i + 17 - j]); - } - } - FOR(i, 17) { - h[i] = x[i]; - } - u = 0; - FOR(j, 16) { - u += h[j]; - h[j] = u & 255; - u >>= 8; - } - u += h[16]; - h[16] = u & 3; - u = 5 * (u >> 2); - FOR(j, 16) { - u += h[j]; - h[j] = u & 255; - u >>= 8; - } - u += h[16]; - h[16] = u; - } - FOR(j, 17) { - g[j] = h[j]; - } - add1305(h, minusp); - s = -(h[16] >> 7); - FOR(j, 17) { - h[j] ^= s & (g[j] ^ h[j]); - } - FOR(j, 16) { - c[j] = k[j + 16]; - } - c[16] = 0; - add1305(h, c); - FOR(j, 16) { - out[j] = h[j]; - } - return 0; -} - -int -crypto_onetimeauth_verify(const u8 * h, const u8 * m, u64 n, const u8 * k) -{ - u8 x[16]; - crypto_onetimeauth(x, m, n, k); - return crypto_verify_16(h, x); -} - -int -crypto_secretbox(u8 * c, const u8 * m, u64 d, const u8 * n, const u8 * k) -{ - int i; - if (d < 32) { - return -1; - } - crypto_stream_xor(c, m, d, n, k); - crypto_onetimeauth(c + 16, c + 32, d - 32, c); - FOR(i, 16) { - c[i] = 0; - } - return 0; -} - -int -crypto_secretbox_open(u8 * m, const u8 * c, u64 d, const u8 * n, const u8 * k) -{ - int i; - u8 x[32]; - if (d < 32) { - return -1; - } - crypto_stream(x, 32, n, k); - if (crypto_onetimeauth_verify(c + 16, c + 32, d - 32, x) != 0) { - return -1; - } - crypto_stream_xor(m, c, d, n, k); - FOR(i, 32) { - m[i] = 0; - } - return 0; -} - -sv -set25519(gf r, const gf a) -{ - int i; - FOR(i, 16) { - r[i] = a[i]; - } -} - -sv -car25519(gf o) -{ - int - i; - i64 c; - FOR(i, 16) { - o[i] += (1 << 16); - c = o[i] >> 16; - o[(i + 1) * (i < 15)] += c - 1 + 37 * (c - 1) * (i == 15); - o[i] -= c << 16; - } -} - -sv -sel25519(gf p, gf q, int b) -{ - i64 t, i, c = ~(b - 1); - FOR(i, 16) { - t = c & (p[i] ^ q[i]); - p[i] ^= t; - q[i] ^= t; - } -} - -sv pack25519(u8 * o, const gf n){ - int i, j, b; - gf m, t; - FOR(i, 16) t[i] = n[i]; - car25519(t); - car25519(t); - car25519(t); - FOR(j, 2) { - m[0] = t[0] - 0xffed; - for (i = 1; i < 15; i++) { - m[i] = t[i] - 0xffff - ((m[i - 1] >> 16) & 1); - m[i - 1] &= 0xffff; - } - m[15] = t[15] - 0x7fff - ((m[14] >> 16) & 1); - b = (m[15] >> 16) & 1; - m[15] &= 0xffff; - sel25519(t, m, 1 - b); - } - FOR(i, 16) { - o[2 * i] = t[i] & 0xff; - o[2 * i + 1] = t[i] >> 8; - } -} - -static int -neq25519(const gf a, const gf b) -{ - u8 c[32], d[32]; - pack25519(c, a); - pack25519(d, b); - return crypto_verify_32(c, d); -} - -static u8 par25519(const gf a){ - u8 d[32]; - pack25519(d, a); - return d[0] & 1; -} - -sv unpack25519(gf o, const u8 * n){ - int i; - FOR(i, 16) { - o[i] = n[2 * i] + ((i64) n[2 * i + 1] << 8); - } - o[15] &= 0x7fff; -} - -sv -A(gf o, const gf a, const gf b) -{ - int i; - FOR(i, 16) { - o[i] = a[i] + b[i]; - } -} - -sv -Z(gf o, const gf a, const gf b) -{ - int i; - FOR(i, 16) { - o[i] = a[i] - b[i]; - } -} - -sv -M(gf o, const gf a, const gf b) -{ - i64 i, j, t[31]; - FOR(i, 31) { - t[i] = 0; - } - FOR(i, 16) { - FOR(j, 16) { - t[i + j] += a[i] * b[j]; - } - } - FOR(i, 15) { - t[i] += 38 * t[i + 16]; - } - FOR(i, 16) { - o[i] = t[i]; - } - car25519(o); - car25519(o); -} - -sv -S(gf o, const gf a) -{ - M(o, a, a); -} - -sv inv25519(gf o, const gf i){ - gf c; - int a; - FOR(a, 16) { - c[a] = i[a]; - } - for (a = 253; a >= 0; a--) { - S(c, c); - if (a != 2 && a != 4) { - M(c, c, i); - } - } - FOR(a, 16) { - o[a] = c[a]; - } -} - -sv -pow2523(gf o, const gf i){ - gf c; - int a; - FOR(a, 16) { - c[a] = i[a]; - } - for (a = 250; a >= 0; a--) { - S(c, c); - if (a != 1) { - M(c, c, i); - } - } - FOR(a, 16) { - o[a] = c[a]; - } -} - -int -crypto_scalarmult(u8 * q, const u8 * n, const u8 * p) -{ - u8 z[32]; - i64 x[96], r, i; - gf a, b, c, d, e, f; - FOR(i, 31) { - z[i] = n[i]; - } - z[31] = (n[31] & 127) | 64; - z[0] &= 248; - unpack25519(x, p); - FOR(i, 16) { - b[i] = x[i]; - d[i] = a[i] = c[i] = 0; - } - a[0] = d[0] = 1; - for (i = 254; i >= 0; --i) { - r = (z[i >> 3] >> (i & 7)) & 1; - sel25519(a, b, r); - sel25519(c, d, r); - A(e, a, c); - Z(a, a, c); - A(c, b, d); - Z(b, b, d); - S(d, e); - S(f, a); - M(a, c, a); - M(c, b, e); - A(e, a, c); - Z(a, a, c); - S(b, a); - Z(c, d, f); - M(a, c, _121665); - A(a, a, d); - M(c, c, a); - M(a, d, f); - M(d, b, x); - S(b, e); - sel25519(a, b, r); - sel25519(c, d, r); - } - FOR(i, 16) { - x[i + 32] = a[i]; - x[i + 48] = c[i]; - x[i + 64] = b[i]; - x[i + 80] = d[i]; - } - inv25519(x + 48, x + 48); - M(x + 32, x + 32, x + 48); - pack25519(q, x + 32); - return 0; -} - -int -crypto_scalarmult_base(u8 * q, const u8 * n){ - return crypto_scalarmult(q, n, _9); -} - -int -crypto_box_keypair(u8 * y, u8 * x) { - randombytes(x, 32); - return crypto_scalarmult_base(y, x); -} - -int -crypto_box_beforenm(u8 * k, const u8 * y, const u8 * x) -{ - u8 s[32]; - crypto_scalarmult(s, x, y); - return crypto_core_hsalsa20(k, _0, s, sigma); -} - -int -crypto_box_afternm(u8 * c, const u8 * m, u64 d, const u8 * n, const u8 * k) -{ - return crypto_secretbox(c, m, d, n, k); -} - -int -crypto_box_open_afternm(u8 * m, const u8 * c, u64 d, const u8 * n, const u8 * k) -{ - return crypto_secretbox_open(m, c, d, n, k); -} - -int -crypto_box(u8 * c, const u8 * m, u64 d, const u8 * n, const u8 * y, const u8 * x){ - u8 k[32]; - crypto_box_beforenm(k, y, x); - return crypto_box_afternm(c, m, d, n, k); -} - -int -crypto_box_open(u8 * m, const u8 * c, u64 d, const u8 * n, const u8 * y, const u8 * x) -{ - u8 k[32]; - crypto_box_beforenm(k, y, x); - return crypto_box_open_afternm(m, c, d, n, k); -} - -static u64 R(u64 x, int c){ - return (x >> c) | (x << (64 - c)); -} - -static u64 -Ch(u64 x, u64 y, u64 z) -{ - return (x & y) ^ (~x & z); -} - -static u64 Maj(u64 x, u64 y, u64 z) { - return (x & y) ^ (x & z) ^ (y & z); -} - -static u64 Sigma0(u64 x) { - return R(x, 28) ^ R(x, 34) ^ R(x, 39); -} - -static u64 - Sigma1(u64 x) { - return R(x, 14) ^ R(x, 18) ^ R(x, 41); -} - -static u64 sigma0(u64 x) { - return R(x, 1) ^ R(x, 8) ^ (x >> 7); -} - -static u64 -sigma1(u64 x) -{ - return R(x, 19) ^ R(x, 61) ^ (x >> 6); -} - -static const u64 K[80] = {0x428a2f98d728ae22ULL, 0x7137449123ef65cdULL, 0xb5c0fbcfec4d3b2fULL, 0xe9b5dba58189dbbcULL, - 0x3956c25bf348b538ULL, 0x59f111f1b605d019ULL, 0x923f82a4af194f9bULL, 0xab1c5ed5da6d8118ULL, 0xd807aa98a3030242ULL, 0x12835b0145706fbeULL, - 0x243185be4ee4b28cULL, 0x550c7dc3d5ffb4e2ULL, 0x72be5d74f27b896fULL, 0x80deb1fe3b1696b1ULL, 0x9bdc06a725c71235ULL, 0xc19bf174cf692694ULL, - 0xe49b69c19ef14ad2ULL, 0xefbe4786384f25e3ULL, 0x0fc19dc68b8cd5b5ULL, 0x240ca1cc77ac9c65ULL, 0x2de92c6f592b0275ULL, 0x4a7484aa6ea6e483ULL, - 0x5cb0a9dcbd41fbd4ULL, 0x76f988da831153b5ULL, 0x983e5152ee66dfabULL, 0xa831c66d2db43210ULL, 0xb00327c898fb213fULL, 0xbf597fc7beef0ee4ULL, - 0xc6e00bf33da88fc2ULL, 0xd5a79147930aa725ULL, 0x06ca6351e003826fULL, 0x142929670a0e6e70ULL, 0x27b70a8546d22ffcULL, 0x2e1b21385c26c926ULL, - 0x4d2c6dfc5ac42aedULL, 0x53380d139d95b3dfULL, 0x650a73548baf63deULL, 0x766a0abb3c77b2a8ULL, 0x81c2c92e47edaee6ULL, 0x92722c851482353bULL, - 0xa2bfe8a14cf10364ULL, 0xa81a664bbc423001ULL, 0xc24b8b70d0f89791ULL, 0xc76c51a30654be30ULL, 0xd192e819d6ef5218ULL, 0xd69906245565a910ULL, - 0xf40e35855771202aULL, 0x106aa07032bbd1b8ULL, 0x19a4c116b8d2d0c8ULL, 0x1e376c085141ab53ULL, 0x2748774cdf8eeb99ULL, 0x34b0bcb5e19b48a8ULL, - 0x391c0cb3c5c95a63ULL, 0x4ed8aa4ae3418acbULL, 0x5b9cca4f7763e373ULL, 0x682e6ff3d6b2b8a3ULL, 0x748f82ee5defb2fcULL, 0x78a5636f43172f60ULL, - 0x84c87814a1f0ab72ULL, 0x8cc702081a6439ecULL, 0x90befffa23631e28ULL, 0xa4506cebde82bde9ULL, 0xbef9a3f7b2c67915ULL, 0xc67178f2e372532bULL, - 0xca273eceea26619cULL, 0xd186b8c721c0c207ULL, 0xeada7dd6cde0eb1eULL, 0xf57d4f7fee6ed178ULL, 0x06f067aa72176fbaULL, 0x0a637dc5a2c898a6ULL, - 0x113f9804bef90daeULL, 0x1b710b35131c471bULL, 0x28db77f523047d84ULL, 0x32caab7b40c72493ULL, 0x3c9ebe0a15c9bebcULL, 0x431d67c49c100d4cULL, - 0x4cc5d4becb3e42b6ULL, 0x597f299cfc657e2aULL, 0x5fcb6fab3ad6faecULL, 0x6c44198c4a475817ULL}; - -int -crypto_hashblocks(u8 * x, const u8 * m, u64 n) -{ - u64 z[8], b[8], a[8], w[16], t; - int i, j; - FOR(i, 8) { - z[i] = a[i] = dl64(x + 8 * i); - } - while (n >= 128) { - FOR(i, 16) { - w[i] = dl64(m + 8 * i); - } - FOR(i, 80) { - FOR(j, 8) { - b[j] = a[j]; - } - t = a[7] + Sigma1(a[4]) + Ch(a[4], a[5], a[6]) + K[i] + w[i % 16]; - b[7] = t + Sigma0(a[0]) + Maj(a[0], a[1], a[2]); - b[3] += t; - FOR(j, 8) a[(j + 1) % 8] = b[j]; - if (i % 16 == 15) { - FOR(j, 16) w[j] += w[(j + 9) % 16] + sigma0(w[(j + 1) % 16]) + sigma1(w[(j + 14) % 16]); - } - } - FOR(i, 8) { - a[i] += z[i]; - z[i] = a[i]; - } - m += 128; - n -= 128; - } - FOR(i, 8) { - ts64(x + 8 * i, z[i]); - } - return n; -} - -static -const u8 iv[64] = {0x6a, 0x09, 0xe6, 0x67, 0xf3, 0xbc, 0xc9, 0x08, 0xbb, 0x67, 0xae, 0x85, 0x84, 0xca, 0xa7, 0x3b, 0x3c, 0x6e, 0xf3, 0x72, 0xfe, 0x94, 0xf8, 0x2b, - 0xa5, 0x4f, 0xf5, 0x3a, 0x5f, 0x1d, 0x36, 0xf1, 0x51, 0x0e, 0x52, 0x7f, 0xad, 0xe6, 0x82, 0xd1, 0x9b, 0x05, 0x68, 0x8c, 0x2b, 0x3e, 0x6c, 0x1f, 0x1f, 0x83, 0xd9, 0xab, - 0xfb, 0x41, 0xbd, 0x6b, 0x5b, 0xe0, 0xcd, 0x19, 0x13, 0x7e, 0x21, 0x79}; - -int -crypto_hash(u8 * out, const u8 * m, u64 n) -{ - u8 h[64], x[256]; - u64 i, b = n; - FOR(i, 64) { - h[i] = iv[i]; - } - crypto_hashblocks(h, m, n); - m += n; - n &= 127; - m -= n; - FOR(i, 256) { - x[i] = 0; - } - FOR(i, n) { - x[i] = m[i]; - } - x[n] = 128; - n = 256 - 128 * (n < 112); - x[n - 9] = b >> 61; - ts64(x + n - 8, b << 3); - crypto_hashblocks(h, x, n); - FOR(i, 64) { - out[i] = h[i]; - } - return 0; -} - -sv add(gf p[4], gf q[4]) { - gf a, b, c, d, t, e, f, g, h; - Z(a, p[1], p[0]); - Z(t, q[1], q[0]); - M(a, a, t); - A(b, p[0], p[1]); - A(t, q[0], q[1]); - M(b, b, t); - M(c, p[3], q[3]); - M(c, c, D2); - M(d, p[2], q[2]); - A(d, d, d); - Z(e, b, a); - Z(f, d, c); - A(g, d, c); - A(h, b, a); - M(p[0], e, f); - M(p[1], h, g); - M(p[2], g, f); - M(p[3], e, h); -} - -sv cswap(gf p[4], gf q[4], u8 b) { - int i; - FOR(i, 4) { - sel25519(p[i], q[i], b); - } -} - -sv -pack(u8 * r, gf p[4]) -{ - gf tx, ty, zi; - inv25519(zi, p[2]); - M(tx, p[0], zi); - M(ty, p[1], zi); - pack25519(r, ty); - r[31] ^= par25519(tx) << 7; -} - -sv -scalarmult(gf p[4], gf q[4], const u8 * s) -{ - int i; - set25519(p[0], gf0); - set25519(p[1], gf1); - set25519(p[2], gf1); - set25519(p[3], gf0); - for (i = 255; i >= 0; --i) { - u8 b = (s[i / 8] >> (i & 7)) & 1; - cswap(p, q, b); - add(q, p); - add(p, p); - cswap(p, q, b); - } -} - -sv -scalarbase(gf p[4], const u8 * s){ - gf q[4]; - set25519(q[0], X); - set25519(q[1], Y); - set25519(q[2], gf1); - M(q[3], X, Y); - scalarmult(p, q, s); -} - -int -crypto_sign_keypair(u8 * pk, u8 * sk) { - u8 d[64]; - gf p[4]; - int i; - randombytes(sk, 32); - crypto_hash(d, sk, 32); - d[0] &= 248; - d[31] &= 127; - d[31] |= 64; - scalarbase(p, d); - pack(pk, p); - FOR(i, 32) { - sk[32 + i] = pk[i]; - } - return 0; -} - -static const u64 L[32] = {0xed, 0xd3, 0xf5, 0x5c, 0x1a, 0x63, 0x12, 0x58, 0xd6, - 0x9c, 0xf7, 0xa2, 0xde, 0xf9, 0xde, 0x14, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0x10}; - -sv -modL(u8 * r, i64 x[64]) -{ - i64 carry, i, j; - for (i = 63; i >= 32; --i) { - carry = 0; - for(j = i - 32; j < i - 12; ++j) { - x[j] += carry - 16 * x[i] * L[j - (i - 32)]; - carry = (x[j] + 128) >> 8; - x[j] -= carry << 8; - } - x[j] += carry; - x[i] = 0; - } carry = 0; - FOR(j, 32) { - x[j] += carry - (x[31] >> 4) * L[j]; - carry = x[j] >> 8; - x[j] &= 255; - } - FOR(j, 32) { - x[j] -= carry * L[j]; - } - FOR(i, 32) { - x[i + 1] += x[i] >> 8; - r[i] = x[i] & 255; - } -} - -sv -reduce(u8 * r) -{ - i64 x[64], i; - FOR(i, 64) { - x[i] = (u64) r[i]; - } - FOR(i, 64) { - r[i] = 0; - } - modL(r, x); -} - -int -crypto_sign(u8 * sm, u64 * smlen, const u8 * m, u64 n, const u8 * sk) -{ - u8 d[64], h[64], r[64]; - i64 i, j, x[64]; - gf p[4]; - crypto_hash(d, sk, 32); - d[0] &= 248; - d[31] &= 127; - d[31] |= 64; - *smlen = n + 64; - FOR(i, n) { - sm[64 + i] = m[i]; - } - FOR(i, 32) { - sm[32 + i] = d[32 + i]; - } - crypto_hash(r, sm + 32, n + 32); - reduce(r); - scalarbase(p, r); - pack(sm, p); - FOR(i, 32) { - sm[i + 32] = sk[i + 32]; - } - crypto_hash(h, sm, n + 64); - reduce(h); - FOR(i, 64) { - x[i] = 0; - } - FOR(i, 32) { - x[i] = (u64) r[i]; - } - FOR(i, 32) { - FOR(j, 32) { - x[i + j] += h[i] * (u64) d[j]; - } - } - modL(sm + 32, x); - return 0; -} - -static int -unpackneg(gf r[4], const u8 p[32]) -{ - gf t, chk, num, den, den2, den4, den6; - set25519(r[2], gf1); - unpack25519(r[1], p); - S(num, r[1]); - M(den, num, D); - Z(num, num, r[2]); - A(den, r[2], den); - S(den2, den); - S(den4, den2); - M(den6, - den4, den2); - M(t, den6, num); - M(t, t, den); - pow2523(t, t); - M(t, t, num); - M(t, t, den); - M(t, t, den); - M(r[0], t, den); - S(chk, r[0]); - M(chk, chk, den); - if (neq25519(chk, num)) { - M(r[0], r[0], I); - } - S(chk, r[0]); - M(chk, chk, den); - if (neq25519(chk, num)) { - return -1; - } - if (par25519(r[0]) == (p[31] >> 7)) { - Z(r[0], gf0, r[0]); - } - M(r[3], r[0], r[1]); - return 0; -} - -int -crypto_sign_open(u8 * m, u64 * mlen, const u8 * sm, u64 n, const u8 * pk) -{ - int i; - u8 t[32], h[64]; - gf p[4], q[4]; - *mlen = -1; - if (n < 64) { - return -1; - } - if (unpackneg(q, pk)) { - return -1; - } - FOR(i, n) { - m[i] = sm[i]; - } - FOR(i, 32) { - m[i + 32] = pk[i]; - } - crypto_hash(h, m, n); - reduce(h); - scalarmult(p, q, h); - scalarbase(q, sm + 32); - add(p, q); - pack(t, p); - n -= 64; - if (crypto_verify_32(sm, t)) { - FOR(i, n) { - m[i] = 0; - } - return -1; - } - FOR(i, n) { - m[i] = sm[i + 64]; - } - *mlen = n; - return 0; -} diff --git a/naclb/tweetnacl.h b/naclb/tweetnacl.h deleted file mode 100644 index 7b1c2633b..000000000 --- a/naclb/tweetnacl.h +++ /dev/null @@ -1,30 +0,0 @@ -typedef unsigned char u8; -typedef unsigned int u32; -typedef unsigned long long u64; -typedef long long i64; -typedef i64 gf[16]; - -int crypto_verify_16(const u8 * x, const u8 * y); -int crypto_verify_32(const u8 * x, const u8 * y); -int crypto_core_salsa20(u8 * out, const u8 * in, const u8 * k, const u8 * c); -int crypto_core_hsalsa20(u8 * out, const u8 * in, const u8 * k, const u8 * c); -int crypto_stream_salsa20_xor(u8 * c, const u8 * m, u64 b, const u8 * n, const u8 * k); -int crypto_stream_salsa20(u8 * c, u64 d, const u8 * n, const u8 * k); -int crypto_stream(u8 * c, u64 d, const u8 * n, const u8 * k); -int crypto_stream_xor(u8 * c, const u8 * m, u64 d, const u8 * n, const u8 * k); -int crypto_onetimeauth(u8 * out, const u8 * m, u64 n, const u8 * k); -int crypto_onetimeauth_verify(const u8 * h, const u8 * m, u64 n, const u8 * k); -int crypto_secretbox(u8 * c, const u8 * m, u64 d, const u8 * n, const u8 * k); -int crypto_secretbox_open(u8 * m, const u8 * c, u64 d, const u8 * n, const u8 * k); -int crypto_scalarmult(u8 * q, const u8 * n, const u8 * p); -int crypto_scalarmult_base(u8 * q, const u8 * n); -int crypto_box_keypair(u8 * y, u8 * x); -int crypto_box_beforenm(u8 * k, const u8 * y, const u8 * x); -int crypto_box_afternm(u8 * c, const u8 * m, u64 d, const u8 * n, const u8 * k); -int crypto_box(u8 * c, const u8 * m, u64 d, const u8 * n, const u8 * y, const u8 * x); -int crypto_box_open(u8 * m, const u8 * c, u64 d, const u8 * n, const u8 * y, const u8 * x); -int crypto_hashblocks(u8 * x, const u8 * m, u64 n); -int crypto_hash(u8 * out, const u8 * m, u64 n); -int crypto_sign_keypair(u8 * pk, u8 * sk); -int crypto_sign(u8 * sm, u64 * smlen, const u8 * m, u64 n, const u8 * sk); -int crypto_sign_open(u8 * m, u64 * mlen, const u8 * sm, u64 n, const u8 * pk); \ No newline at end of file diff --git a/package.json b/package.json index ce3e84ece..954f394e8 100644 --- a/package.json +++ b/package.json @@ -44,7 +44,7 @@ "scrypt": "3.0.1", "bindings": "~1.2.1", "nan": "^1.3.0", - "naclb": "./naclb/" + "naclb": "0.0.1" }, "devDependencies": { "mocha": "", -- GitLab