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12 Commits
ec367b9bbd ... main

Author SHA1 Message Date
Luk
450c6df357 add content_to_cid 2026-03-16 14:17:15 +08:00
Luk
c9a6afdb38 u 2026-02-07 11:34:38 +08:00
Luk
22f93d0a7b support TRX coin 2025-06-23 11:53:48 +08:00
Luk
8e3ae5639f rename 'cosh' to 'cahex', because cosh is a wrong naming which I didn't realize before. It is not hash, but simply hex. 2025-05-05 10:13:54 +08:00
Luk
c77f28fe30 rename git.faronear.org to git.tic.cc 2025-04-11 16:49:02 +08:00
luk
af48ee6f10 u 2024-11-03 14:04:26 +08:00
luk
62acb1c453 让各个编码转换的方法 (b58_to_hex, hex_to_b32, ...) 在错误情况下返回 '' 而不是 null。不知道会不会导致其它地方的问题。 2024-11-03 11:50:21 +08:00
Luk
decdcab1e5 crypto.randomUUID().replace(/-/g,'').substring(0,12) 2024-10-14 15:23:50 +08:00
Luk
ced82b18d7 用 secword.trim() 取代 secword.replace(/^\s+/, '').replace(/\s+$/, '') 2024-10-10 13:04:17 +08:00
Luk
acabbfa787 用原生 BigInt 实现了 modPow 从而重新实现了 decompress_pubkey; 调整 prikey_to_pubkey({compress}) 为 prikey_to_pubkey({uncompress}) 2024-10-05 18:04:24 +08:00
Luk
40197b2905 发现 BigInt=require('big-integer') 可能导致和原生 BigInt 的命名冲突，改为 bigint，同时把可以用原生 BigInt 的都用 BigInt。发现 /^[b|B]/ 这种写法会识别 |，改为 /^[bB]/ 2024-10-05 15:47:17 +08:00
Luk
43b9bd6898 ignore *nogit* and *nosf*; 似乎 hash_to_sig_distance 用的还是之前的 BigNumber，现在是失效的，重新改写。 2024-09-22 15:50:33 +08:00
9 changed files with 238 additions and 574 deletions
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6
.gitignore vendored
View File

@@ -13,9 +13,13 @@
?*.gitignore.* ?*.gitignore.*
?*.gitignore.*/ ?*.gitignore.*/
*.gitomit *.gitomit
*.gitomit/
*.gitomit.* *.gitomit.*
*.gitomit/
*.gitomit.*/ *.gitomit.*/
*.nogit
*.nogit.*
*.nogit/
*.nogit.*/
# 保留 # 保留
!.gitignore !.gitignore
!.gitignore.* !.gitignore.*

234
README.horizontal.drawio
View File

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2
README.md
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@@ -24,7 +24,7 @@
在前后端软件的 package.json 的依赖清单中引入本库： 在前后端软件的 package.json 的依赖清单中引入本库：
``` ```
npm install git+https://git.faronear.org/npm/tic-crypto#RELEASE_OR_BRANCH --save npm install git+https://git.tic.cc/open/tic-crypto#RELEASE_OR_BRANCH --save
``` ```
## 用法 ## 用法

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README.vertical.drawio
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"ethereum-rsa": "^1.0.5", "ethereum-rsa": "^1.0.5",
"hdkey": "^2.0.1", "hdkey": "^2.0.1",
"ipfs-only-hash": "^4.0.0",
"js-crypto-key-utils": "^1.0.4", "js-crypto-key-utils": "^1.0.4",
"keccak": "^3.0.2", "keccak": "^3.0.2",
"secp256k1": "^4.0.3", "secp256k1": "^4.0.3",
"tweetnacl": "^1.0.3", "tronweb": "^6.0.3",
"uuid": "^8.3.2" "tweetnacl": "^1.0.3"
}, },
"devDependencies": { "devDependencies": {
"docdash": "^1.2.0", "docdash": "^1.2.0",

16
seafile-ignore.txt
View File

@@ -17,6 +17,16 @@
*.sfomit.* *.sfomit.*
*.sfomit/ *.sfomit/
*.sfomit.*/ *.sfomit.*/
*.nosf
*.nosf.*
*.nosf/
*.nosf.*/
## everything 'git pull or fetch' will update `.git/FETCH_HEAD`, even if the content doesn't change. To avoid too many useless updates of this file in Seafile history:
FETCH_HEAD
*/FETCH_HEAD
.Trash/
.DS_Store .DS_Store
*/.DS_Store */.DS_Store
@@ -44,12 +54,18 @@ _desktop.ini
node_modules/ node_modules/
*/node_modules/ */node_modules/
package-lock.json package-lock.json
*/package-lock.json
pages4loader.json5 pages4loader.json5
*/pages4loader.json5
.deploy_git/ .deploy_git/
*/.deploy_git/ */.deploy_git/
# next.js 项目
.next/
*/.next/
# HBuilder 目录 # HBuilder 目录
unpackage/ unpackage/
*/unpackage/ */unpackage/

32
test.js
View File

@@ -16,11 +16,7 @@ function ECPointDecompress (comp) {
var x = new bigInt(comp.substring(2), 16) var x = new bigInt(comp.substring(2), 16)
// y mod p = +-(x^3 + 7)^((p+1)/4) mod p // y mod p = +-(x^3 + 7)^((p+1)/4) mod p
console.log('ECP x=', x.toString(), ' = ', x.toString(16)) console.log('ECP x=', x.toString(), ' = ', x.toString(16))
var y = x var y = x.modPow(3, prime).add(7).mod(prime).modPow(pIdent, prime)
.modPow(3, prime)
.add(7)
.mod(prime)
.modPow(pIdent, prime)
// If the parity doesn't match it's the *other* root // If the parity doesn't match it's the *other* root
console.log('ECP y=', y.toString(), ' = ', y.toString(16)) console.log('ECP y=', y.toString(), ' = ', y.toString(16))
if (y.mod(2).toJSNumber() !== signY) { if (y.mod(2).toJSNumber() !== signY) {
@@ -40,32 +36,17 @@ BigNumber = require('bignumber.js')
function uncompressPubkey (comp) { function uncompressPubkey (comp) {
// Consts for P256 curve. Adjust accordingly // Consts for P256 curve. Adjust accordingly
const prime = new BigNumber('fffffffffffffffffffffffffffffffffffffffffffffffffffffffefffffc2f', 16).integerValue(), const prime = new BigNumber('fffffffffffffffffffffffffffffffffffffffffffffffffffffffefffffc2f', 16).integerValue(),
pIdent = prime pIdent = prime.plus(1).idiv(4).integerValue()
.plus(1)
.idiv(4)
.integerValue()
console.log('pIdent=', pIdent.toString(), ' = ', pIdent.toString(16)) console.log('pIdent=', pIdent.toString(), ' = ', pIdent.toString(16))
var signY = new Number(comp[1]) - 2 var signY = new Number(comp[1]) - 2
var x = new BigNumber(comp.substring(2), 16).integerValue() var x = new BigNumber(comp.substring(2), 16).integerValue()
console.log('x=', x.toString(), ' = ', x.toString(16)) console.log('x=', x.toString(), ' = ', x.toString(16))
// y^2 = x^3 - 3x + b // y^2 = x^3 - 3x + b
var y = x var y = x.pow(3).mod(prime).plus(7).mod(prime).pow(pIdent).mod(prime).integerValue()
.pow(3)
.mod(prime)
.plus(7)
.mod(prime)
.pow(pIdent)
.mod(prime)
.integerValue()
console.log('y=', y.toString(), ' = ', y.toString(16)) console.log('y=', y.toString(), ' = ', y.toString(16))
// If the parity doesn't match it's the *other* root // If the parity doesn't match it's the *other* root
if ( if (y.mod(2).integerValue().toNumber() !== signY) {
y
.mod(2)
.integerValue()
.toNumber() !== signY
) {
// y = prime - y // y = prime - y
y = prime.minus(y).integerValue() y = prime.minus(y).integerValue()
} }
@@ -129,10 +110,7 @@ crypto.createCipheriv('aes-256-cfb', Buffer.from(acc.prikey, 'hex'), Buffer.allo
////////////////////// crypto + PEM ////////////////////// crypto + PEM
toPEM = function (kp) { toPEM = function (kp) {
let pubkey = crypto let pubkey = crypto.createECDH('secp256k1').setPrivateKey(kp.prikey, 'hex').getPublicKey('hex', 'compressed')
.createECDH('secp256k1')
.setPrivateKey(kp.prikey, 'hex')
.getPublicKey('hex', 'compressed')
console.log('ECDH created publickey = ', pubkey) console.log('ECDH created publickey = ', pubkey)
let mykey = '308187020100301306072a8648ce3d020106082a8648ce3d030107046d306b0201010420' + kp.prikey + 'a144034200' + pubkey let mykey = '308187020100301306072a8648ce3d020106082a8648ce3d030107046d306b0201010420' + kp.prikey + 'a144034200' + pubkey
console.log(mykey) console.log(mykey)

257
ticc.js
View File

@@ -1,10 +1,10 @@
// const BigNumber=require('bignumber.js') // 处理整数 https://github.com/MikeMcl/bignumber.js // const bignum=require('bignumber.js') // 处理整数 https://github.com/MikeMcl/bignumber.js // size: 360K
const BigInt = require('big-integer') // 处理整数 https://github.com/peterolson/BigInteger.js // const bigint = require('big-integer') // 处理整数 https://github.com/peterolson/BigInteger.js // size: 188K. ethers.js 24M. // 20241005 发现，在 node 控制台里，导入本库命名为 BigInt 后运行 BigInt(xxx) 会导致失败！因为现在已经有 JS 的新 primitive 也叫 BigInt, 不知道作为 server 运行时，怎么没有报错。改名为 bigint
const crypto = require('crypto') const crypto = require('crypto')
const nacl = require('tweetnacl') const nacl = require('tweetnacl')
const bs58check = require('bs58check') const bs58check = require('bs58check')
const bs58 = require('bs58') // bs58check depends on bs58 const bs58 = require('bs58') // bs58check depends on bs58
const uuid = require('uuid') //const uuid = require('uuid')
const keccak = require('keccak') const keccak = require('keccak')
const ecc = require('eccrypto-js') // 用于加解密。eccrypto 在 windows 上和 openssl 的版本兼容性有点麻烦，所以换用 eccrypto-js const ecc = require('eccrypto-js') // 用于加解密。eccrypto 在 windows 上和 openssl 的版本兼容性有点麻烦，所以换用 eccrypto-js
const keyman = require('js-crypto-key-utils') // 转换原始密钥和 PER/DER 格式。 const keyman = require('js-crypto-key-utils') // 转换原始密钥和 PER/DER 格式。
@@ -16,6 +16,8 @@ const hdkey = require('hdkey') // https://github.com/cryptocoinjs/hdkey // 或
const secp256k1 = require('secp256k1') const secp256k1 = require('secp256k1')
const base32encode = require('base32-encode') const base32encode = require('base32-encode')
const base32decode = require('base32-decode') const base32decode = require('base32-decode')
const ipfsOnlyHash = require('ipfs-only-hash')
const { TronWeb } = require('tronweb')
// 全部以hex为默认输入输出格式，方便人的阅读，以及方便函数之间统一接口 // 全部以hex为默认输入输出格式，方便人的阅读，以及方便函数之间统一接口
@@ -124,9 +126,7 @@ class TicCrypto {
// return false // return false
//// for bip39. 注意，bip39对当前defaultWordlist之外其他语言的合法 mnemonic 也返回 false，这一点不如 bitcore-mnemonic. 所以不能直接 bip39.validateMnemonic(secword) //// for bip39. 注意，bip39对当前defaultWordlist之外其他语言的合法 mnemonic 也返回 false，这一点不如 bitcore-mnemonic. 所以不能直接 bip39.validateMnemonic(secword)
secword = secword secword = secword.trim()
.replace(/^\s+/, '') // 删除开头的空格
.replace(/\s+$/, '') // 删除末尾的空格
if (typeof secword === 'string' && [12, 15, 18, 21, 24].includes(secword.split(/\s+/).length)) { if (typeof secword === 'string' && [12, 15, 18, 21, 24].includes(secword.split(/\s+/).length)) {
if (mode === 'easy') return true // easy模式不检查校验等等严格的合法性了，反正 secword_to_seed 是接受一切字符串的 if (mode === 'easy') return true // easy模式不检查校验等等严格的合法性了，反正 secword_to_seed 是接受一切字符串的
if (my.langMap[lang?.toLowerCase?.()]) { if (my.langMap[lang?.toLowerCase?.()]) {
@@ -193,6 +193,7 @@ class TicCrypto {
* @param {option} [{ hasher = my.HASHER, salt, input = my.INPUT, output = my.OUTPUT }={}] * @param {option} [{ hasher = my.HASHER, salt, input = my.INPUT, output = my.OUTPUT }={}]
* @return {String} * @return {String}
* @memberof TicCrypto * @memberof TicCrypto
* 返回结果不包含 0x
*/ */
static hash_easy (data, { hasher = my.HASHER, salt, input = my.INPUT, output = my.OUTPUT } = {}) { static hash_easy (data, { hasher = my.HASHER, salt, input = my.INPUT, output = my.OUTPUT } = {}) {
// data can be anything, but converts to string or remains be Buffer/TypedArray/DataView // data can be anything, but converts to string or remains be Buffer/TypedArray/DataView
@@ -264,9 +265,11 @@ class TicCrypto {
// data 应当是 encrypt 输出的数据类型 // data 应当是 encrypt 输出的数据类型
if (mode === 'ecrsa') { if (mode === 'ecrsa') {
if (key?.prikey && key?.pubkey) { if (key?.prikey && key?.pubkey) {
return ecrsa.decryptMessage(data, key?.prikey, key?.pubkey) return ecrsa.decryptMessage(data, key.prikey, key.pubkey)
} else if (key?.receiverPrikey && key?.senderPubkey) {
return ecrsa.decryptMessage(data, key.receiverPrikey, key.senderPubkey)
} else { } else {
return ecrsa.decryptMessage(data, key?.receiverPrikey, key?.senderPubkey) return null
} }
} else if (mode === 'ecc') { } else if (mode === 'ecc') {
try { try {
@@ -531,12 +534,15 @@ class TicCrypto {
return `m/44'/0'/${path}` return `m/44'/0'/${path}`
} else if (coin === 'ETH') { } else if (coin === 'ETH') {
return `m/44'/60'/${path}` return `m/44'/60'/${path}`
} else if (coin === 'TRX') {
return `m/44'/195'/${path}`
} else if (coin === 'TIC') { } else if (coin === 'TIC') {
return `m/44'/60000'/${path}` return `m/44'/60000'/${path}`
} else if (/[A-Z]{3}/.test(coin)) { } else if (coin === 'MATIC' || coin === 'POL') {
return `m/44'/60${this.alpha_to_digit(coin)}'/${path}` // Polygon 测试网 (Mumbai): 80001
return `m/44'/137'/${path}`
} else { } else {
return '' return `m/44'/60${this.alpha_to_digit(coin)}'/${path}`
} }
} }
@@ -576,6 +582,14 @@ class TicCrypto {
} else if (coin === 'BTC' || coinFamily === 'BTC') { } else if (coin === 'BTC' || coinFamily === 'BTC') {
world = world || 'mainnet' world = world || 'mainnet'
kp.address = this.pubkey_to_address({ pubkey: kp.pubkey, coin, coinFamily, world }) kp.address = this.pubkey_to_address({ pubkey: kp.pubkey, coin, coinFamily, world })
} else if (coin === 'TRX' || coinFamily === 'TRX') {
const prikey = kp.prikey.replace(/^0x/, '') // tronweb 需要去掉开头的 0x
const tronweb = new TronWeb({
fullHost: 'https://api.trongrid.io',
privateKey: prikey,
})
world = world || 'tron'
kp.address = tronweb.address.fromPrivateKey(prikey) // 返回的是带 41 开头的地址
} else { } else {
world = world || my.WORLD world = world || my.WORLD
kp.address = this.pubkey_to_address({ pubkey: kp.pubkey, coin, coinFamily, world }) kp.address = this.pubkey_to_address({ pubkey: kp.pubkey, coin, coinFamily, world })
@@ -607,19 +621,19 @@ class TicCrypto {
* @return {*} * @return {*}
* @memberof TicCrypto * @memberof TicCrypto
*/ */
static prikey_to_pubkey ({ prikey, curve, compress } = {}) { static prikey_to_pubkey ({ prikey, curve, uncompress } = {}) {
if (this.is_prikey({ prikey }) && prikey.length === 64) { if (this.is_prikey({ prikey }) && prikey.length === 64) {
// 只能用于32字节的私钥（BTC, ETH)。也就是不能用于 TIC 的私钥。 // 只能用于32字节的私钥（BTC, ETH)。也就是不能用于 TIC 的私钥。
curve = my.CURVE_LIST.includes(curve) ? curve : my.CURVE // 默认为 secp256k1 curve = my.CURVE_LIST.includes(curve) ? curve : my.CURVE // 默认为 secp256k1
// return new crypto.createECDH(curve).setPrivateKey(prikey,'hex').getPublicKey('hex', compress===false?'uncompressed':'compressed') // ecdh.getPublicKey(不加参数) 默认为 'compressed'。用 HBuilderX 2.6.4 打包成ios或安卓 app 后 setPrivateKey() 报错：TypeError: null is not an object (evaluating 'this.rand.getBytes') // return new crypto.createECDH(curve).setPrivateKey(prikey,'hex').getPublicKey('hex', uncompress?'uncompressed':'compressed') // ecdh.getPublicKey(不加参数) 默认为 'compressed'。用 HBuilderX 2.6.4 打包成ios或安卓 app 后 setPrivateKey() 报错：TypeError: null is not an object (evaluating 'this.rand.getBytes')
// 从 nodejs 10.0 开始，还有 crypto.ECDH.convertKey 方法，更直接。但可惜，浏览器里不存在 crypto.ECDH。 // 从 nodejs 10.0 开始，还有 crypto.ECDH.convertKey 方法，更直接。但可惜，浏览器里不存在 crypto.ECDH。
return this.buf_to_hex(secp256k1.publicKeyCreate(Buffer.from(prikey, 'hex'), compress !== false)) // 可用于浏览器。缺省输出压缩公钥，compress=false时输出非压缩公钥。 return this.buf_to_hex(secp256k1.publicKeyCreate(Buffer.from(prikey, 'hex'), !uncompress)) // 可用于浏览器。缺省输出压缩公钥，第二个参数必须正好为false时输出非压缩公钥，为undefined或true时输出压缩公钥，其他时报错。
// 或者 bitcorelib.PublicKey.fromPrivateKey(new bitcorelib.PrivateKey(prikey)).toString('hex') // 可用于浏览器 // 或者 bitcorelib.PublicKey.fromPrivateKey(new bitcorelib.PrivateKey(prikey)).toString('hex') // 可用于浏览器
// 或者 const ecc = require('eccrypto') // 或者 const ecc = require('eccrypto')
// if (compress===false){ // if (!uncompress){
// return ecc.getPublic(this.hex_to_buf(prikey)).toString('hex')
// }else{
// return ecc.getPublicCompressed(this.hex_to_buf(prikey)).toString('hex') // return ecc.getPublicCompressed(this.hex_to_buf(prikey)).toString('hex')
// } else{
// return ecc.getPublic(this.hex_to_buf(prikey)).toString('hex')
// } // }
// 注意，Buffer.from(nacl.box.keyPair.fromSecretKey(Buffer.from(prikey,'hex')).publicKey).toString('hex') 得到的公钥与上面的不同 // 注意，Buffer.from(nacl.box.keyPair.fromSecretKey(Buffer.from(prikey,'hex')).publicKey).toString('hex') 得到的公钥与上面的不同
} else if (this.is_prikey({ prikey }) && prikey.length === 128) { } else if (this.is_prikey({ prikey }) && prikey.length === 128) {
@@ -644,11 +658,12 @@ class TicCrypto {
if (this.is_prikey({ prikey })) { if (this.is_prikey({ prikey })) {
/** @type {*} */ /** @type {*} */
let pubkey let pubkey
if (coin === 'ETH') { if (coin === 'ETH' || coinFamily === 'ETH') {
pubkey = this.prikey_to_pubkey({ prikey, compress: false }) pubkey = this.prikey_to_pubkey({ prikey, uncompress: true })
return this.pubkey_to_address({ pubkey, coin, coinFamily, world }) return this.pubkey_to_address({ pubkey, coin, coinFamily, world })
// 实际上发现，不论是否 compressed，最后转成的地址都是一样的，因为在 pubkey_to_position 里已经自动处理了。
} else { } else {
pubkey = this.prikey_to_pubkey({ prikey, compress: true }) pubkey = this.prikey_to_pubkey({ prikey, uncompress: false })
return this.pubkey_to_address({ pubkey, coin, coinFamily, world }) return this.pubkey_to_address({ pubkey, coin, coinFamily, world })
} }
} }
@@ -920,7 +935,7 @@ class TicCrypto {
} }
} else { } else {
let prikey = this.randomize_seckey() let prikey = this.randomize_seckey()
let pubkey = this.prikey_to_pubkey({ prikey }) let pubkey = this.prikey_to_pubkey({ prikey, uncompress: false })
return { return {
prikey, prikey,
pubkey, pubkey,
@@ -973,6 +988,17 @@ class TicCrypto {
return text return text
} }
static randomize_hex ({ length = 64 } = {}) {
// 长度为 length 的随机 hex 字符串。注意 randomBytes 在一些环境里可能不存在，例如在 HBuilderX 的内置浏览器里。
if (crypto.randomBytes) {
return crypto
.randomBytes(Math.ceil(length / 2))
.toString('hex')
.slice(0, length)
}
return this.randomize_string({ length, alphabet: '0123456789abcdef' })
}
/** /**
* 生成随机的数字 * 生成随机的数字
* *
@@ -1023,7 +1049,7 @@ class TicCrypto {
* @memberof TicCrypto * @memberof TicCrypto
*/ */
static randomize_uuid () { static randomize_uuid () {
return uuid.v4() return crypto.randomUUID() // uuid.v4()
} }
/** /**
@@ -1097,7 +1123,8 @@ class TicCrypto {
// hash为64hex字符，sig为128hex字符。返回用hex表达的距离。 // hash为64hex字符，sig为128hex字符。返回用hex表达的距离。
if (this.is_signature({ sig: sig }) && this.is_hash({ hash })) { if (this.is_signature({ sig: sig }) && this.is_hash({ hash })) {
var hashSig = this.hash_easy(sig) // 把签名也转成32字节的哈希，同样长度方便比较 var hashSig = this.hash_easy(sig) // 把签名也转成32字节的哈希，同样长度方便比较
return (BigInt('0x' + hash) - BigInt('0x' + hashSig)).toString(16).replace(/^-/, '') // 20241005 注意到，原来通过 require('big-integer') 进行直接减法，可能是错误的！换用原生 BigInt 配合直接减法。
return (BigInt('0x' + hash) - BigInt('0x' + hashSig)).toString(16).replace(/^-/, '') // if using bignumber.js: (bignum('0x' + hash) - bignum('0x' + hashSig)).toString(16)
} }
return null return null
} }
@@ -1271,7 +1298,7 @@ class TicCrypto {
try { try {
return bs58check.encode(Buffer.from(hex, 'hex')) return bs58check.encode(Buffer.from(hex, 'hex'))
} catch (exception) { } catch (exception) {
return null return ''
} }
} }
@@ -1279,7 +1306,7 @@ class TicCrypto {
try { try {
return bs58.encode(Buffer.from(hex, 'hex')) return bs58.encode(Buffer.from(hex, 'hex'))
} catch (exception) { } catch (exception) {
return null return ''
} }
} }
@@ -1295,7 +1322,7 @@ class TicCrypto {
try { try {
return bs58check.decode(box).toString('hex') return bs58check.decode(box).toString('hex')
} catch (exception) { } catch (exception) {
return null return ''
} }
} }
@@ -1303,7 +1330,7 @@ class TicCrypto {
try { try {
return bs58.decode(box).toString('hex') return bs58.decode(box).toString('hex')
} catch (exception) { } catch (exception) {
return null return ''
} }
} }
@@ -1332,10 +1359,10 @@ class TicCrypto {
* @memberof TicCrypto * @memberof TicCrypto
*/ */
static hex_to_b64t (hex) { static hex_to_b64t (hex) {
if (/^[0-9a-fA-F]+$/.test(hex)) { if (my.REGEXP_ALPHABET.hex.test(hex)) {
return this.b64_to_b64t(Buffer.from(hex, 'hex').toString('base64')) return this.b64_to_b64t(Buffer.from(hex, 'hex').toString('base64'))
} }
return null return ''
} }
/** /**
@@ -1347,36 +1374,36 @@ class TicCrypto {
* @memberof TicCrypto * @memberof TicCrypto
*/ */
static b64t_to_hex (b64t) { static b64t_to_hex (b64t) {
if (/^[0-9a-zA-Z\._]+$/.test(b64t)) { if (my.REGEXP_ALPHABET.b64t.test(b64t)) {
return Buffer.from(this.b64t_to_b64(b64t), 'base64').toString('hex') return Buffer.from(this.b64t_to_b64(b64t), 'base64').toString('hex')
} }
return null return ''
} }
// https://en.wikipedia.org/wiki/Base32 // https://en.wikipedia.org/wiki/Base32
static hex_to_b32 (hex) { static hex_to_b32 (hex) {
if (/^[0-9a-fA-F]+$/.test(hex)) { if (my.REGEXP_ALPHABET.hex.test(hex)) {
return base32encode(Buffer.from(hex, 'hex'), 'RFC4648') return base32encode(Buffer.from(hex, 'hex'), 'RFC4648')
} }
return null return ''
} }
static b32_to_hex (b32) { static b32_to_hex (b32) {
if (/^[A-Za-z2-7=]+$/.test(b32)) { if (my.REGEXP_ALPHABET.b32.test(b32)) {
return Buffer.from(base32decode(b32.toUpperCase(), 'RFC4648')).toString('hex') return Buffer.from(base32decode(b32.toUpperCase(), 'RFC4648')).toString('hex')
} }
return null return ''
} }
static hex_to_b32h (hex) { static hex_to_b32h (hex) {
if (/^[0-9a-fA-F]+$/.test(hex)) { if (my.REGEXP_ALPHABET.hex.test(hex)) {
return base32encode(Buffer.from(hex, 'hex'), 'RFC4648-HEX') return base32encode(Buffer.from(hex, 'hex'), 'RFC4648-HEX')
} }
return null return ''
} }
static b32h_to_hex (b32h) { static b32h_to_hex (b32h) {
if (/^[0-9A-Va-v=]+$/.test(b32h)) { if (my.REGEXP_ALPHABET.b32h.test(b32h)) {
return Buffer.from(base32decode(b32.toUpperCase(), 'RFC4648-HEX')).toString('hex') return Buffer.from(base32decode(b32.toUpperCase(), 'RFC4648-HEX')).toString('hex')
} }
return null return ''
} }
/** /**
@@ -1401,14 +1428,14 @@ class TicCrypto {
} }
return result return result
} }
return null return ''
} }
/** /**
* 压缩公钥 * 压缩公钥
* *
* @static * @static
* @param {*} uncompressed * @param {*} uncompressed: strings like '0x1234567890abcedf...'
* @return {*} * @return {*}
* @memberof TicCrypto * @memberof TicCrypto
*/ */
@@ -1418,7 +1445,7 @@ class TicCrypto {
// 把 04xy 的非压缩公钥 转成 02x 或 03x 的压缩公钥 // 把 04xy 的非压缩公钥 转成 02x 或 03x 的压缩公钥
let [all, x, y] = uncompressed.toLowerCase().match(/^04(.{64})(.{64})$/) let [all, x, y] = uncompressed.toLowerCase().match(/^04(.{64})(.{64})$/)
let compressed let compressed
if (/[1,3,5,7,9,b,d,f]$/.test(y)) { if (/[13579bdf]$/.test(y)) {
compressed = '03' + x // y为奇数=>前缀03 compressed = '03' + x // y为奇数=>前缀03
} else { } else {
compressed = '02' + x // y为偶数=>前缀02 compressed = '02' + x // y为偶数=>前缀02
@@ -1426,7 +1453,57 @@ class TicCrypto {
if (this.decompress_pubkey(compressed) === uncompressed) { if (this.decompress_pubkey(compressed) === uncompressed) {
return compressed return compressed
} }
return null // 非压缩公钥有错误。 return '' // 非压缩公钥有错误。
}
/**
*
* decompress_pubkey 需要用到 big-integer 的 modPow 方法。如果想用原生的 BigInt，就需要自己实现 modPow
* @param {*} base
* @param {*} exponent
* @param {*} modulus
* @returns
*/
static modPow (base, exponent, modulus) {
let result = BigInt(1)
base = BigInt(base)
exponent = BigInt(exponent)
modulus = BigInt(modulus)
while (exponent > 0n) {
if (exponent & BigInt(1)) {
result = (result * base) % modulus
}
base = (base * base) % modulus
exponent = exponent >> BigInt(1)
}
return result
}
/**
* 解压缩公钥
*
* @static
* @param {*} compressed: strings like '020123456789abcdef...'
* @return {*}
* @memberof TicCrypto
*/
static decompress_pubkey (compressed = '') {
// uncompress: https://stackoverflow.com/questions/17171542/algorithm-for-elliptic-curve-point-compression/53478265#53478265
// https://en.bitcoin.it/wiki/Secp256k1
// 把 02x 或 03x 的压缩公钥 转成 04xy 的非压缩公钥
// Consts for secp256k1 curve. Adjust accordingly
const prime = BigInt('0xfffffffffffffffffffffffffffffffffffffffffffffffffffffffefffffc2f', 16) // 2^256 - 2^32 - 2^9 - 2^8 - 2^7 - 2^6 - 2^4 - 1
const pIdent = BigInt('0x3fffffffffffffffffffffffffffffffffffffffffffffffffffffffbfffff0c', 16) // prime.add(1).divide(4);
var signY = BigInt(Number(compressed[1]) - 2)
var x = BigInt('0x' + compressed.substr(2))
var y = this.modPow((this.modPow(x, 3, prime) + BigInt(7)) % prime, pIdent, prime) // y mod p = +-(x^3 + 7)^((p+1)/4) mod p
if (y % BigInt(2) !== signY) {
// If the parity doesn't match it's the *other* root
y = prime - y
}
return '04' + this.padStart(x.toString(16), 64, '0') + this.padStart(y.toString(16), 64, '0')
} }
/** /**
@@ -1437,16 +1514,12 @@ class TicCrypto {
* @return {*} * @return {*}
* @memberof TicCrypto * @memberof TicCrypto
*/ */
static decompress_pubkey (compressed) { static decompress_pubkey_bigint (compressed) {
// uncompress: https://stackoverflow.com/questions/17171542/algorithm-for-elliptic-curve-point-compression/53478265#53478265 const bigint = globalThis.bigint || require('big-integer')
// https://en.bitcoin.it/wiki/Secp256k1 const prime = bigint('fffffffffffffffffffffffffffffffffffffffffffffffffffffffefffffc2f', 16) // 2^256 - 2^32 - 2^9 - 2^8 - 2^7 - 2^6 - 2^4 - 1
// 把 02x 或 03x 的压缩公钥 转成 04xy 的非压缩公钥 const pIdent = bigint('3fffffffffffffffffffffffffffffffffffffffffffffffffffffffbfffff0c', 16) // prime.add(1).divide(4);
// Consts for secp256k1 curve. Adjust accordingly
const prime = new BigInt('fffffffffffffffffffffffffffffffffffffffffffffffffffffffefffffc2f', 16) // 2^256 - 2^32 - 2^9 - 2^8 - 2^7 - 2^6 - 2^4 - 1
const pIdent = new BigInt('3fffffffffffffffffffffffffffffffffffffffffffffffffffffffbfffff0c', 16) // prime.add(1).divide(4);
var signY = new Number(compressed[1]) - 2 var signY = new Number(compressed[1]) - 2
var x = new BigInt(compressed.substr(2), 16) var x = bigint(compressed.substr(2), 16)
// 需要用到 big-integer 的 modPow 方法。如果直接用原生的 BigInt 会 "Maximum BigInt size exceeded"
var y = x.modPow(3, prime).add(7).mod(prime).modPow(pIdent, prime) // y mod p = +-(x^3 + 7)^((p+1)/4) mod p var y = x.modPow(3, prime).add(7).mod(prime).modPow(pIdent, prime) // y mod p = +-(x^3 + 7)^((p+1)/4) mod p
if (y.mod(2).toJSNumber() !== signY) { if (y.mod(2).toJSNumber() !== signY) {
// If the parity doesn't match it's the *other* root // If the parity doesn't match it's the *other* root
@@ -1455,19 +1528,34 @@ class TicCrypto {
return '04' + this.padStart(x.toString(16), 64, '0') + this.padStart(y.toString(16), 64, '0') return '04' + this.padStart(x.toString(16), 64, '0') + this.padStart(y.toString(16), 64, '0')
} }
static cid_to_cosh ({ cid }) { static async content_to_cid ({ content, ...option }) {
if (/^[Q|1]/.test(cid)) { // {content: 'hello world', cidVersion: 0}
return this.b58_to_hex(cid).slice(4) // content can be a string, a file, a stream
} else if (/^[b|B]/.test(cid)) { return await ipfsOnlyHash.of(content, option)
return this.b32_to_hex(cid.substr(1)).slice(8) }
// cahex: content address hex. 最核心的纯hex的内容地址，没有任何额外标记。同一个内容的 cahex 是唯一的，而 cid 是在 cahex 基础上有各种不同的编码，转成字符串形式。cid建议叫做 caid.
static cid_to_cahex ({ cid }) {
try {
if (/^[Q1]/.test(cid)) {
return this.b58_to_hex(cid).slice(4) // 前2字节是 cid0 的字节序数标记
} else if (/^[bB]/.test(cid)) {
return this.b32_to_hex(cid.substr(1)).slice(8) // 前4字节是 cid1 的标记
} else if (/^z/.test(cid)) { } else if (/^z/.test(cid)) {
return this.b58_to_hex(cid.substr(1)).slice(8) return this.b58_to_hex(cid.substr(1)).slice(8)
} else if (/^[m|M|u|U]/.test(cid)) { } else if (/^[mMuU]/.test(cid)) {
return Buffer.from(cid.substr(1), 'base64').toString('hex') return Buffer.from(cid.substr(1), 'base64').toString('hex')
} else if (/^[fF]/) {
return cid.substr(9).toLowerCase()
} else if (/^9/.test(cid)) {
return BigInt(cid.slice(1)).toString(16).slice(7) // toString(16) 后，去掉了 01551220... 的打头的 0，所以只有7位需要跳过了
}
} catch {
return ''
} }
} }
static cosh_to_cid ({ cosh, cidBase = 'b32', cidVersion = 1, cidCodec = 'raw', cidAlgo = 'sha256' }) { static cahex_to_cid ({ cahex, cidBase = 'b32', cidVersion = 1, cidCodec = 'raw', cidAlgo = 'sha256' }) {
// https://github.com/multiformats/multibase // https://github.com/multiformats/multibase
const multibase = { const multibase = {
identity: 0x00, identity: 0x00,
@@ -1507,23 +1595,64 @@ class TicCrypto {
ripemd160: '1053', ripemd160: '1053',
md5: 'd5', md5: 'd5',
} }
try {
if (cidVersion === 0) { if (cidVersion === 0) {
return this.hex_to_b58(`${multialgo[cidAlgo]}${Number(cosh.length / 2).toString(16)}${cosh}`) return this.hex_to_b58(`${multialgo[cidAlgo]}${Number(cahex.length / 2).toString(16)}${cahex}`)
} else if (cidVersion === 1) { } else if (cidVersion === 1) {
const fullHex = `01${multicodec[cidCodec]}${multialgo[cidAlgo]}${Number(cosh.length / 2).toString(16)}${cosh}` const fullHex = `01${multicodec[cidCodec]}${multialgo[cidAlgo]}${Number(cahex.length / 2).toString(16)}${cahex}`
let converted = '' let converted = ''
if (cidBase === 'b32') { if (cidBase === 'b16') {
converted = this.hex_to_b32(fullHex).toLowerCase().replace(/=/g, '') converted = fullHex.toLowerCase()
} else if (cidBase === 'B16') {
converted = fullHex.toUpperCase()
} else if (cidBase === 'b32') {
converted = this.hex_to_b32(fullHex)?.toLowerCase?.()?.replace?.(/=/g, '')
} else if (cidBase === 'B32') { } else if (cidBase === 'B32') {
converted = this.hex_to_b32(fullHex).toUpperCase().replace(/=/g, '') converted = this.hex_to_b32(fullHex)?.toUpperCase?.()?.replace?.(/=/g, '')
} else if (cidBase === 'b58') { } else if (cidBase === 'b58') {
converted = this.hex_to_b58(fullHex) converted = this.hex_to_b58(fullHex)
} else if (cidBase === 'b64p') { } else if (cidBase === 'b64p') {
converted = Buffer.from(fullHex, 'hex').toString('base64') converted = Buffer.from(fullHex, 'hex').toString('base64')
} else if (cidBase === 'b64') { } else if (cidBase === 'b64') {
converted = Buffer.from(fullHex, 'hex').toString('base64').replace(/=/g, '') converted = Buffer.from(fullHex, 'hex').toString('base64').replace(/=/g, '')
} else if (cidBase === 'b10') {
converted = BigInt('0x' + fullHex).toString()
} }
if (converted) {
return multibase[cidBase] + converted return multibase[cidBase] + converted
} else {
return ''
}
}
} catch {
return ''
}
}
static convert_pexid (key) {
key = key.toLowerCase()
let pextokenCid, pextokenCahex, nftToid, tokenURI
try {
if (key.length < 64 && /^bafkrei/.test(key)) {
pextokenCid = key
pextokenCahex = this.cid_to_cahex({ cid: pextokenCid })
nftToid = BigInt('0x' + pextokenCahex).toString()
} else if (key.length > 64 && /^\d+$/.test(key)) {
nftToid = key
pextokenCahex = BigInt(nftToid).toString(16)
pextokenCid = this.cahex_to_cid({ cahex: pextokenCahex })
} else if (/^[0-9a-f]{64}$/.test(key)) {
pextokenCahex = key
pextokenCid = this.cahex_to_cid({ cahex: pextokenCahex })
nftToid = BigInt('0x' + pextokenCahex).toString()
}
tokenURI = pextokenCahex ? `https://ipfs.tic.cc/ipfs/f01551220${pextokenCahex}` : undefined
} catch {}
return {
pextokenCid,
pextokenCahex,
nftToid,
tokenURI,
} }
} }
} }