rename this.hash to this.hash_easy
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cc01e71f48
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42
ticc.js
42
ticc.js
@ -188,7 +188,7 @@ class TicCrypto {
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// data can be anything, but converts to string or remains be Buffer/TypedArray/DataView
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if (this.is_hashable({ data })) {
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if (typeof data !== 'string' && !(data instanceof Buffer) && !(data instanceof DataView)) data = JSON.stringify(data)
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if (salt && typeof salt === 'string') data = data + this.hash(salt)
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if (salt && typeof salt === 'string') data = data + this.hash_easy(salt)
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let inputEncoding = input // my.INPUT_LIST.includes(input)?input:my.INPUT // 'utf8', 'ascii' or 'latin1' for string data, default to utf8 if not specified; ignored for Buffer, TypedArray, or DataView.
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let outputEncoding = output === 'buf' ? undefined : output // (my.OUTPUT_LIST.includes(output)?output:my.OUTPUT) // output: 留空=》默认输出hex格式；或者手动指定 'buf', hex', 'latin1' or 'base64'
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return crypto
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@ -222,7 +222,7 @@ class TicCrypto {
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let inputEncoding = my.INPUT_LIST.includes(input) ? input : my.INPUT // 'utf8' by default, 'ascii', 'latin1' for string or ignored for Buffer/TypedArray/DataView
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let outputEncoding = output === 'buf' ? undefined : my.OUTPUT_LIST.includes(output) ? output : my.OUTPUT // 'latin1', 'base64', 'hex' by default or 'buf' to Buffer explicitly
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const iv = crypto.randomBytes(16)
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let encryptor = crypto.createCipheriv(my.CIPHER_LIST.includes(cipher) ? cipher : my.CIPHER, this.hex_to_buf(this.hash(key)), iv) // cipher 和 key 的长度必须相同，例如 cipher 是 ***-192，那么 key 就必须是 192/8=24 字节 = 48 hex 的。
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let encryptor = crypto.createCipheriv(my.CIPHER_LIST.includes(cipher) ? cipher : my.CIPHER, this.hex_to_buf(this.hash_easy(key)), iv) // cipher 和 key 的长度必须相同，例如 cipher 是 ***-192，那么 key 就必须是 192/8=24 字节 = 48 hex 的。
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if (typeof data !== 'string' && !(data instanceof Buffer) && !(data instanceof DataView)) data = JSON.stringify(data)
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let ciphertext = encryptor.update(data, inputEncoding, outputEncoding)
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ciphertext += encryptor.final(outputEncoding) // 但是 Buffer + Buffer 还是会变成string
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@ -268,7 +268,7 @@ class TicCrypto {
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let outputEncoding = output === 'buf' ? undefined : my.INPUT_LIST.includes(output) ? output : my.INPUT // output (=input of encrypt) could be 'latin1', 'ascii', 'utf8' by default or 'buf' to Buffer explicitly
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let decryptor = crypto.createDecipheriv(
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my.CIPHER_LIST.includes(cipher) ? cipher : my.CIPHER,
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this.hex_to_buf(this.hash(key)),
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this.hex_to_buf(this.hash_easy(key)),
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Buffer.from(data.iv, 'hex')
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)
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let decrypted = decryptor.update(data.ciphertext, inputEncoding, outputEncoding)
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@ -302,21 +302,21 @@ class TicCrypto {
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if (this.is_hashable({ data }) && this.is_seckey(seckey)) {
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if (tool === 'nacl' && seckey.length === 128) {
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// 使用nacl的签名算法。注意，nacl.sign需要的seckey是64字节=128字符。
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let hashBuf = this.hash(data, { output: 'buf' }) // 哈希必须输出为 buffer
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let hashBuf = this.hash_easy(data, { output: 'buf' }) // 哈希必须输出为 buffer
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let signature = nacl.sign.detached(hashBuf, Buffer.from(seckey, 'hex'))
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return Buffer.from(signature).toString('hex') // 签名是64节，128个hex字符
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} else if (tool === 'eccrypto' && seckey.length === 64) {
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// eccrypto 对同一组data,seckey生成的签名是固定的，观察到hex长度为140或142，是der格式。
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let signature = await eccrypto.sign(Buffer.from(seckey, 'hex'), this.hash(data, { output: 'buf' }))
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let signature = await eccrypto.sign(Buffer.from(seckey, 'hex'), this.hash_easy(data, { output: 'buf' }))
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return signature.toString('hex')
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} else if (seckey.length === 64) {
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// 纯 crypto
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let seckeyPEM = await new keyman.Key('oct', this.hex_to_buf(seckey), { namedCurve: 'P-256K' }).export('pem') // 私钥导出的der格式为144字节。
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let signer = crypto.createSign(my.HASHER_LIST.includes(hasher) ? hasher : my.HASHER) // 注意，不知为何，hasher必须含有'sha'才能完成签名，例如 sha1, sha256, sha512, sha3, RSA-SHA1, id-rsassa-pkcs1-v1_5-with-sha3-224, 其他都会报错。
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signer.update(this.hash(data)).end()
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signer.update(this.hash_easy(data)).end()
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let signature = signer.sign(seckeyPEM, 'hex')
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// since nodejs 12, 有了 crypto.sign 方法，但在浏览器中无效：
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// let signature = crypto.sign(my.HASHER_LIST.includes(hasher) ? hasher : my.HASHER, Buffer.from(this.hash(data)), seckeyPEM).toString('hex')
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// let signature = crypto.sign(my.HASHER_LIST.includes(hasher) ? hasher : my.HASHER, Buffer.from(this.hash_easy(data)), seckeyPEM).toString('hex')
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return signature // 发现同样的输入，nodejs里每次调用会生成不同的 signature, 且长度不定(140,142,144 hex) 但都可以通过 verify。但在浏览器里调用，signature却是固定的。
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}
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}
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@ -338,7 +338,7 @@ class TicCrypto {
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// data could be anything, but converts to string or remains be Buffer/TypedArray/DataView
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if (this.is_hashable({ data }) && this.is_signature(signature) && this.is_pubkey({ pubkey })) {
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if ('nacl' === tool && signature.length === 128) {
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let bufHash = this.hash(data, { output: 'buf' })
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let bufHash = this.hash_easy(data, { output: 'buf' })
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let bufSignature = Buffer.from(signature, 'hex')
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let bufPubkey = Buffer.from(pubkey, 'hex')
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let verified = nacl.sign.detached.verify(bufHash, bufSignature, bufPubkey)
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@ -346,7 +346,7 @@ class TicCrypto {
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} else if ('eccrypto' === tool && signature.length >= 140) {
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// 默认使用 eccrypto // 发现大小写不影响 eccrypto 验签！都能通过
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try {
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let result = await eccrypto.verify(Buffer.from(pubkey, 'hex'), this.hash(data, { output: 'buf' }), Buffer.from(signature, 'hex')) // 如果给signature添加1位hex，eccrypto 的 verify结果也是true! 估计因为一位hex不被转成字节。
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let result = await eccrypto.verify(Buffer.from(pubkey, 'hex'), this.hash_easy(data, { output: 'buf' }), Buffer.from(signature, 'hex')) // 如果给signature添加1位hex，eccrypto 的 verify结果也是true! 估计因为一位hex不被转成字节。
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return true
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} catch (exception) {
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// 对能够验证的，eccrypto返回 null；对无法验证的，抛出异常
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@ -356,10 +356,10 @@ class TicCrypto {
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// 纯 crypto // 发现大小写不影响 crypto 验签！都能通过
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let pubkeyPEM = await new keyman.Key('oct', this.hex_to_buf(pubkey), { namedCurve: 'P-256K' }).export('pem') // 公钥导出的der格式为88字节。经测试，同一对压缩和非压缩公钥得出的结果一模一样。
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let verifier = crypto.createVerify(my.HASHER_LIST.includes(hasher) ? hasher : my.HASHER)
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verifier.update(this.hash(data)).end() // end() 在 nodejs 12 里返回verifier自身，但在浏览器里返回 undefined，因此不能串联运行。
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verifier.update(this.hash_easy(data)).end() // end() 在 nodejs 12 里返回verifier自身，但在浏览器里返回 undefined，因此不能串联运行。
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let verified = verifier.verify(pubkeyPEM, signature, 'hex') // 如果给signature添加1位hex，crypto 的 verify结果也是true! 估计因为一位hex不被转成字节。但减少1位会导致false
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// since nodejs 12, 有了 crypto.verify 方法，但在浏览器中无效：
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// let verified = crypto.verify(my.HASHER_LIST.includes(hasher) ? hasher : my.HASHER, Buffer.from(this.hash(data)), pubkeyPEM, Buffer.from(signature, 'hex'))
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// let verified = crypto.verify(my.HASHER_LIST.includes(hasher) ? hasher : my.HASHER, Buffer.from(this.hash_easy(data)), pubkeyPEM, Buffer.from(signature, 'hex'))
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return verified
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}
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}
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@ -501,7 +501,7 @@ class TicCrypto {
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// 后面还可继续延伸 /xxx/xxx/xxx/......
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let path
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if (pathRoot) {
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let pathHash = this.hash(pathRoot, { hasher: 'md5' })
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let pathHash = this.hash_easy(pathRoot, { hasher: 'md5' })
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let part0 = parseInt(pathHash.slice(0, 6), 16)
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let part1 = parseInt(pathHash.slice(6, 12), 16)
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let part2 = parseInt(pathHash.slice(12, 18), 16)
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@ -758,7 +758,7 @@ class TicCrypto {
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default:
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prefix = '4c'
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}
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let checksum = this.hash(this.hash(prefix + position)).slice(0, 6) // 添加 checksum 使得能够检测大小写错误。[todo] 校验码里要不要包含 prefix?
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let checksum = this.hash_easy(this.hash_easy(prefix + position)).slice(0, 6) // 添加 checksum 使得能够检测大小写错误。[todo] 校验码里要不要包含 prefix?
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// address = this.hex_to_eip55(prefix + position + checksum) // 前缀1节，位置20节，校验3节，共24节=48字符（能够完全转化为8个色彩），再转eip55。
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address = this.hex_to_b64t(prefix + position + checksum) // 实际采用 b64t, 共 32字符。
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return address
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@ -790,7 +790,7 @@ class TicCrypto {
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// 格式合法
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let hex = this.b64t_to_hex(address)
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let [all, prefix, position, checksum] = hex.match(/^([\da-fA-F]{2})([\da-fA-F]{40})([\da-fA-F]{6})$/)
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if (this.hash(this.hash(position)).slice(0, 6) === checksum) {
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if (this.hash_easy(this.hash_easy(position)).slice(0, 6) === checksum) {
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return position
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}
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}
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@ -818,7 +818,7 @@ class TicCrypto {
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// 格式合法
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let hex = Buffer.from(this.b64t_to_b64(address), 'base64').toString('hex')
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let [all, prefix, position, checksum] = hex.match(/^([\da-fA-F]{2})([\da-fA-F]{40})([\da-fA-F]{6})$/) // 内容合法
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if (this.hash(this.hash(prefix + position)).slice(0, 6) === checksum)
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if (this.hash_easy(this.hash_easy(prefix + position)).slice(0, 6) === checksum)
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// [todo] 校验码里要不要包含 prefix?
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return 'TIC'
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}
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@ -1046,13 +1046,13 @@ class TicCrypto {
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hashList = [...hashList]
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if (!Array.isArray(hashList)) return null
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var border = hashList.length
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if (border == 0) return this.hash('')
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if (border == 1) return this.hash(hashList[0])
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if (border == 0) return this.hash_easy('')
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if (border == 1) return this.hash_easy(hashList[0])
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while (1) {
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let i = 1,
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j = 0
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for (; i < border; i = i + 2) {
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hashList[j] = this.hash(hashList[i - 1] + hashList[i])
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hashList[j] = this.hash_easy(hashList[i - 1] + hashList[i])
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if (border == 2) {
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return hashList[0]
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}
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@ -1060,7 +1060,7 @@ class TicCrypto {
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j = j + 1
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if (i + 2 == border) {
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i = i + 1
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hashList[j] = this.hash(hashList[i])
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hashList[j] = this.hash_easy(hashList[i])
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break
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}
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}
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@ -1081,7 +1081,7 @@ class TicCrypto {
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static hash_to_sig_distance ({ hash, sig } = {}) {
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// hash为64hex字符，sig为128hex字符。返回用hex表达的距离。
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if (this.is_signature(sig) && this.is_hash({ hash })) {
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var hashSig = this.hash(sig) // 把签名也转成32字节的哈希，同样长度方便比较
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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
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return new BigInt(hash, 16)
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.subtract(new BigInt(hashSig, 16))
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.abs()
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@ -1508,7 +1508,7 @@ class TicCrypto {
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}
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static string_to_raw_cid (str) {
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return this.cosh_to_cid({ cosh: this.hash(str), cidVersion: 1, cidCodec: 'raw' })
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return this.cosh_to_cid({ cosh: this.hash_easy(str), cidVersion: 1, cidCodec: 'raw' })
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}
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}
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