\u5b89\u88c5\uff1a<\/p>\n
npm install gm-crypt -S<\/pre>\n<\/p>\n
\u914d\u7f6e\uff1a<\/p>\n
onst SM4 = require('gm-crypt').sm4\r\n\r\nlet sm4Config = {\r\n \/\/ encrypt\/decypt main key; cannot be omitted\r\n key: 'JeF8U9wHFOMfs2Y8', \/\/\u9700\u8981\u548c\u540e\u7aef\u4e00\u81f4\r\n\r\n \/\/ optional; can be 'cbc' or 'ecb'\r\n mode: 'cbc', \/\/ default\r\n\r\n \/\/ optional; when use cbc mode, it's \ufffdnecessary\r\n iv: 'UISwD9fW6cFh9SNS', \/\/ default is null cbc\u9700\u8981\u8bbe\u7f6e\uff0cecb\u4e0d\u9700\u8981\r\n\r\n \/\/ optional: this is the cipher data's type; Can be 'base64' or 'text'\r\n cipherType: 'base64' \/\/ default is base64\r\n}\r\n\r\nlet sm4 = new SM4(sm4Config)<\/pre>\n<\/p>\n
\u52a0\u5bc6\uff1a<\/p>\n
let plaintext = '\u4e2d\u56fd\u56fd\u5bc6\u52a0\u89e3\u5bc6\u7b97\u6cd5'\r\nlet ciphertext = sm4.encrypt(plaintext)\r\n\/\/ ciphertext's result is 'j\/+HgSpv8RZQI2YtSq0L1RnemiSokMm1VvLHSTt245U='<\/pre>\n<\/p>\n
\u89e3\u5bc6\uff1a<\/p>\n
let ciphertext = 'j\/+HgSpv8RZQI2YtSq0L1RnemiSokMm1VvLHSTt245U='\r\nlet plaintext = sm4.decrypt(ciphertext)\r\n\/\/ plaintext's result is '\u4e2d\u56fd\u56fd\u5bc6\u52a0\u89e3\u5bc6\u7b97\u6cd5'<\/pre>\n<\/p>\n
<\/p>\n
<\/p>\n
ECB\u7b80\u5355\u63d2\u4ef6<\/p>\n
(function (r) { if (typeof exports === \"object\" && typeof module !== \"undefined\") { module.exports = r() } else { if (typeof define === \"function\" && define.amd) { define([], r) } else { var e; if (typeof window !== \"undefined\") { e = window } else { if (typeof global !== \"undefined\") { e = global } else { if (typeof self !== \"undefined\") { e = self } else { e = this } } } e.base64js = r() } } })(function () { var r, e, t; return function r(e, t, n) { function o(i, a) { if (!t[i]) { if (!e[i]) { var u = typeof require == \"function\" && require; if (!a && u) { return u(i, !0) } if (f) { return f(i, !0) } var d = new Error(\"Cannot find module '\" + i + \"'\"); throw d.code = \"MODULE_NOT_FOUND\", d } var c = t[i] = { exports: {} }; e[i][0].call(c.exports, function (r) { var t = e[i][1][r]; return o(t ? t : r) }, c, c.exports, r, e, t, n) } return t[i].exports } var f = typeof require == \"function\" && require; for (var i = 0; i < n.length; i++) { o(n[i]) } return o }({ \"\/\": [function (r, e, t) { t.byteLength = c; t.toByteArray = v; t.fromByteArray = s; var n = []; var o = []; var f = typeof Uint8Array !== \"undefined\" ? Uint8Array : Array; var i = \"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+\/\"; for (var a = 0, u = i.length; a < u; ++a) { n[a] = i[a]; o[i.charCodeAt(a)] = a } o[\"-\".charCodeAt(0)] = 62; o[\"_\".charCodeAt(0)] = 63; function d(r) { var e = r.length; if (e % 4 > 0) { throw new Error(\"Invalid string. Length must be a multiple of 4\") } return r[e - 2] === \"=\" ? 2 : r[e - 1] === \"=\" ? 1 : 0 } function c(r) { return r.length * 3 \/ 4 - d(r) } function v(r) { var e, t, n, i, a; var u = r.length; i = d(r); a = new f(u * 3 \/ 4 - i); t = i > 0 ? u - 4 : u; var c = 0; for (e = 0; e < t; e += 4) { n = o[r.charCodeAt(e)] << 18 | o[r.charCodeAt(e + 1)] << 12 | o[r.charCodeAt(e + 2)] << 6 | o[r.charCodeAt(e + 3)]; a[c++] = n >> 16 & 255; a[c++] = n >> 8 & 255; a[c++] = n & 255 } if (i === 2) { n = o[r.charCodeAt(e)] << 2 | o[r.charCodeAt(e + 1)] >> 4; a[c++] = n & 255 } else { if (i === 1) { n = o[r.charCodeAt(e)] << 10 | o[r.charCodeAt(e + 1)] << 4 | o[r.charCodeAt(e + 2)] >> 2; a[c++] = n >> 8 & 255; a[c++] = n & 255 } } return a } function l(r) { return n[r >> 18 & 63] + n[r >> 12 & 63] + n[r >> 6 & 63] + n[r & 63] } function h(r, e, t) { var n; var o = []; for (var f = e; f < t; f += 3) { n = (r[f] << 16) + (r[f + 1] << 8) + r[f + 2]; o.push(l(n)) } return o.join(\"\") } function s(r) { var e; var t = r.length; var o = t % 3; var f = \"\"; var i = []; var a = 16383; for (var u = 0, d = t - o; u < d; u += a) { i.push(h(r, u, u + a > d ? d : u + a)) } if (o === 1) { e = r[t - 1]; f += n[e >> 2]; f += n[e << 4 & 63]; f += \"==\" } else { if (o === 2) { e = (r[t - 2] << 8) + r[t - 1]; f += n[e >> 10]; f += n[e >> 4 & 63]; f += n[e << 2 & 63]; f += \"=\" } } i.push(f); return i.join(\"\") } }, {}] }, {}, [])(\"\/\") });\r\n\r\n function SM4_Context() {\r\n this.mode = 1;\r\n this.isPadding = true;\r\n this.sk = new Array(32);\r\n }\r\n\r\n function SM4() {\r\n this.SM4_ENCRYPT = 1;\r\n this.SM4_DECRYPT = 0;\r\n\r\n var SboxTable = [0xd6, 0x90, 0xe9, 0xfe, 0xcc, 0xe1, 0x3d, 0xb7, 0x16, 0xb6, 0x14, 0xc2, 0x28, 0xfb, 0x2c, 0x05,\r\n 0x2b, 0x67, 0x9a, 0x76, 0x2a, 0xbe, 0x04, 0xc3, 0xaa, 0x44, 0x13, 0x26, 0x49, 0x86, 0x06, 0x99,\r\n 0x9c, 0x42, 0x50, 0xf4, 0x91, 0xef, 0x98, 0x7a, 0x33, 0x54, 0x0b, 0x43, 0xed, 0xcf, 0xac, 0x62,\r\n 0xe4, 0xb3, 0x1c, 0xa9, 0xc9, 0x08, 0xe8, 0x95, 0x80, 0xdf, 0x94, 0xfa, 0x75, 0x8f, 0x3f, 0xa6,\r\n 0x47, 0x07, 0xa7, 0xfc, 0xf3, 0x73, 0x17, 0xba, 0x83, 0x59, 0x3c, 0x19, 0xe6, 0x85, 0x4f, 0xa8,\r\n 0x68, 0x6b, 0x81, 0xb2, 0x71, 0x64, 0xda, 0x8b, 0xf8, 0xeb, 0x0f, 0x4b, 0x70, 0x56, 0x9d, 0x35,\r\n 0x1e, 0x24, 0x0e, 0x5e, 0x63, 0x58, 0xd1, 0xa2, 0x25, 0x22, 0x7c, 0x3b, 0x01, 0x21, 0x78, 0x87,\r\n 0xd4, 0x00, 0x46, 0x57, 0x9f, 0xd3, 0x27, 0x52, 0x4c, 0x36, 0x02, 0xe7, 0xa0, 0xc4, 0xc8, 0x9e,\r\n 0xea, 0xbf, 0x8a, 0xd2, 0x40, 0xc7, 0x38, 0xb5, 0xa3, 0xf7, 0xf2, 0xce, 0xf9, 0x61, 0x15, 0xa1,\r\n 0xe0, 0xae, 0x5d, 0xa4, 0x9b, 0x34, 0x1a, 0x55, 0xad, 0x93, 0x32, 0x30, 0xf5, 0x8c, 0xb1, 0xe3,\r\n 0x1d, 0xf6, 0xe2, 0x2e, 0x82, 0x66, 0xca, 0x60, 0xc0, 0x29, 0x23, 0xab, 0x0d, 0x53, 0x4e, 0x6f,\r\n 0xd5, 0xdb, 0x37, 0x45, 0xde, 0xfd, 0x8e, 0x2f, 0x03, 0xff, 0x6a, 0x72, 0x6d, 0x6c, 0x5b, 0x51,\r\n 0x8d, 0x1b, 0xaf, 0x92, 0xbb, 0xdd, 0xbc, 0x7f, 0x11, 0xd9, 0x5c, 0x41, 0x1f, 0x10, 0x5a, 0xd8,\r\n 0x0a, 0xc1, 0x31, 0x88, 0xa5, 0xcd, 0x7b, 0xbd, 0x2d, 0x74, 0xd0, 0x12, 0xb8, 0xe5, 0xb4, 0xb0,\r\n 0x89, 0x69, 0x97, 0x4a, 0x0c, 0x96, 0x77, 0x7e, 0x65, 0xb9, 0xf1, 0x09, 0xc5, 0x6e, 0xc6, 0x84,\r\n 0x18, 0xf0, 0x7d, 0xec, 0x3a, 0xdc, 0x4d, 0x20, 0x79, 0xee, 0x5f, 0x3e, 0xd7, 0xcb, 0x39, 0x48];\r\n\r\n var FK = [0xa3b1bac6, 0x56aa3350, 0x677d9197, 0xb27022dc];\r\n\r\n var CK = [0x00070e15, 0x1c232a31, 0x383f464d, 0x545b6269,\r\n 0x70777e85, 0x8c939aa1, 0xa8afb6bd, 0xc4cbd2d9,\r\n 0xe0e7eef5, 0xfc030a11, 0x181f262d, 0x343b4249,\r\n 0x50575e65, 0x6c737a81, 0x888f969d, 0xa4abb2b9,\r\n 0xc0c7ced5, 0xdce3eaf1, 0xf8ff060d, 0x141b2229,\r\n 0x30373e45, 0x4c535a61, 0x686f767d, 0x848b9299,\r\n 0xa0a7aeb5, 0xbcc3cad1, 0xd8dfe6ed, 0xf4fb0209,\r\n 0x10171e25, 0x2c333a41, 0x484f565d, 0x646b7279];\r\n\r\n this.GET_ULONG_BE = function (b, i) {\r\n return (b[i] & 0xff) << 24 | ((b[i + 1] & 0xff) << 16) | ((b[i + 2] & 0xff) << 8) | (b[i + 3] & 0xff) & 0xffffffff;\r\n }\r\n\r\n this.PUT_ULONG_BE = function (n, b, i) {\r\n var t1 = (0xFF & (n >> 24));\r\n var t2 = (0xFF & (n >> 16));\r\n var t3 = (0xFF & (n >> 8));\r\n var t4 = (0xFF & (n));\r\n b[i] = t1 > 128 ? t1 - 256 : t1;\r\n b[i + 1] = t2 > 128 ? t2 - 256 : t2;\r\n b[i + 2] = t3 > 128 ? t3 - 256 : t3;\r\n b[i + 3] = t4 > 128 ? t4 - 256 : t4;\r\n }\r\n\r\n this.SHL = function (x, n) {\r\n return (x & 0xFFFFFFFF) << n;\r\n }\r\n\r\n this.ROTL = function (x, n) {\r\n var s = this.SHL(x, n);\r\n var ss = x >> (32 - n);\r\n return this.SHL(x, n) | x >> (32 - n);\r\n }\r\n\r\n\r\n this.sm4Lt = function (ka) {\r\n var bb = 0;\r\n var c = 0;\r\n var a = new Array(4);\r\n var b = new Array(4);\r\n this.PUT_ULONG_BE(ka, a, 0);\r\n b[0] = this.sm4Sbox(a[0]);\r\n b[1] = this.sm4Sbox(a[1]);\r\n b[2] = this.sm4Sbox(a[2]);\r\n b[3] = this.sm4Sbox(a[3]);\r\n bb = this.GET_ULONG_BE(b, 0);\r\n c = bb ^ this.ROTL(bb, 2) ^ this.ROTL(bb, 10) ^ this.ROTL(bb, 18) ^ this.ROTL(bb, 24);\r\n return c;\r\n }\r\n\r\n this.sm4F = function (x0, x1, x2, x3, rk) {\r\n return x0 ^ this.sm4Lt(x1 ^ x2 ^ x3 ^ rk);\r\n }\r\n\r\n this.sm4CalciRK = function (ka) {\r\n var bb = 0;\r\n var rk = 0;\r\n var a = new Array(4);\r\n var b = new Array(4);\r\n this.PUT_ULONG_BE(ka, a, 0);\r\n b[0] = this.sm4Sbox(a[0]);\r\n b[1] = this.sm4Sbox(a[1]);\r\n b[2] = this.sm4Sbox(a[2]);\r\n b[3] = this.sm4Sbox(a[3]);\r\n bb = this.GET_ULONG_BE(b, 0);\r\n rk = bb ^ this.ROTL(bb, 13) ^ this.ROTL(bb, 23);\r\n return rk;\r\n }\r\n\r\n\r\n\r\n this.sm4Sbox = function (inch) {\r\n var i = inch & 0xFF;\r\n var retVal = SboxTable[i];\r\n return retVal > 128 ? retVal - 256 : retVal;\r\n }\r\n\r\n this.sm4_setkey_enc = function (ctx, key) {\r\n if (ctx == null) {\r\n alert(\"ctx is null!\");\r\n return false;\r\n }\r\n if (key == null || key.length != 16) {\r\n alert(\"key error!\");\r\n return false;\r\n }\r\n ctx.mode = this.SM4_ENCRYPT;\r\n this.sm4_setkey(ctx.sk, key);\r\n\r\n };\r\n \/\/\u751f\u6210\u89e3\u5bc6\u5bc6\u94a5\r\n this.sm4_setkey_dec = function (ctx, key) {\r\n if (ctx == null) {\r\n Error(\"ctx is null!\");\r\n }\r\n\r\n if (key == null || key.length != 16) {\r\n Error(\"key error!\");\r\n }\r\n\r\n var i = 0;\r\n ctx.mode = 0;\r\n this.sm4_setkey(ctx.sk, key);\r\n ctx.sk = ctx.sk.reverse();\r\n }\r\n\r\n\r\n this.sm4_setkey = function (SK, key) {\r\n var MK = new Array(4);\r\n var k = new Array(36);\r\n var i = 0;\r\n MK[0] = this.GET_ULONG_BE(key, 0);\r\n MK[1] = this.GET_ULONG_BE(key, 4);\r\n MK[2] = this.GET_ULONG_BE(key, 8);\r\n MK[3] = this.GET_ULONG_BE(key, 12);\r\n k[0] = MK[0] ^ FK[0];\r\n k[1] = MK[1] ^ FK[1];\r\n k[2] = MK[2] ^ FK[2];\r\n k[3] = MK[3] ^ FK[3];\r\n for (var i = 0; i < 32; i++) {\r\n k[(i + 4)] = (k[i] ^ this.sm4CalciRK(k[(i + 1)] ^ k[(i + 2)] ^ k[(i + 3)] ^ CK[i]));\r\n SK[i] = k[(i + 4)];\r\n }\r\n\r\n }\r\n this.padding = function (input, mode) {\r\n if (input == null) {\r\n return null;\r\n }\r\n var ret = null;\r\n if (mode == this.SM4_ENCRYPT) {\r\n var p = parseInt(16 - input.length % 16);\r\n ret = input.slice(0);\r\n for (var i = 0; i < p; i++) {\r\n ret[input.length + i] = p;\r\n }\r\n } else {\r\n var p = input[input.length - 1];\r\n ret = input.slice(0, input.length - p);\r\n }\r\n return ret;\r\n }\r\n this.sm4_one_round = function (sk, input, output) {\r\n var i = 0;\r\n var ulbuf = new Array(36);\r\n ulbuf[0] = this.GET_ULONG_BE(input, 0);\r\n ulbuf[1] = this.GET_ULONG_BE(input, 4);\r\n ulbuf[2] = this.GET_ULONG_BE(input, 8);\r\n ulbuf[3] = this.GET_ULONG_BE(input, 12);\r\n while (i < 32) {\r\n ulbuf[(i + 4)] = this.sm4F(ulbuf[i], ulbuf[(i + 1)], ulbuf[(i + 2)], ulbuf[(i + 3)], sk[i]);\r\n i++;\r\n }\r\n this.PUT_ULONG_BE(ulbuf[35], output, 0);\r\n this.PUT_ULONG_BE(ulbuf[34], output, 4);\r\n this.PUT_ULONG_BE(ulbuf[33], output, 8);\r\n this.PUT_ULONG_BE(ulbuf[32], output, 12);\r\n\r\n }\r\n\r\n this.sm4_crypt_ecb = function (ctx, input) {\r\n if (input == null) {\r\n alert(\"input is null!\");\r\n }\r\n if ((ctx.isPadding) && (ctx.mode == this.SM4_ENCRYPT)) {\r\n input = this.padding(input, this.SM4_ENCRYPT);\r\n }\r\n\r\n var i = 0;\r\n var length = input.length;\r\n var bous = new Array();\r\n for (; length > 0; length -= 16) {\r\n var out = new Array(16);\r\n var ins = input.slice(i * 16, (16 * (i + 1)));\r\n this.sm4_one_round(ctx.sk, ins, out)\r\n bous = bous.concat(out);\r\n i++;\r\n }\r\n\r\n var output = bous;\r\n if (ctx.isPadding && ctx.mode == this.SM4_DECRYPT) {\r\n output = this.padding(output, this.SM4_DECRYPT);\r\n }\r\n for (var i = 0; i < output.length; i++) {\r\n if (output[i] < 0) {\r\n output[i] = output[i] + 256;\r\n }\r\n }\r\n return output;\r\n }\r\n\r\n this.sm4_crypt_cbc = function (ctx, iv, input) {\r\n if (iv == null || iv.length != 16) {\r\n alert(\"iv error!\");\r\n }\r\n\r\n if (input == null) {\r\n alert(\"input is null!\");\r\n }\r\n\r\n if (ctx.isPadding && ctx.mode == this.SM4_ENCRYPT) {\r\n input = this.padding(input, this.SM4_ENCRYPT);\r\n }\r\n\r\n var i = 0;\r\n var length = input.length;\r\n var bous = new Array();\r\n if (ctx.mode == this.SM4_ENCRYPT) {\r\n var k = 0;\r\n for (; length > 0; length -= 16) {\r\n var out = new Array(16);\r\n var out1 = new Array(16);\r\n var ins = input.slice(k * 16, (16 * (k + 1)));\r\n\r\n for (i = 0; i < 16; i++) {\r\n out[i] = (ins[i] ^ iv[i]);\r\n }\r\n this.sm4_one_round(ctx.sk, out, out1);\r\n iv = out1.slice(0, 16);\r\n bous = bous.concat(out1);\r\n k++;\r\n }\r\n }\r\n else {\r\n var temp = [];\r\n var k = 0;\r\n for (; length > 0; length -= 16) {\r\n var out = new Array(16);\r\n var out1 = new Array(16);\r\n var ins = input.slice(k * 16, (16 * (k + 1)));\r\n temp = ins.slice(0, 16);\r\n sm4_one_round(ctx.sk, ins, out);\r\n for (i = 0; i < 16; i++) {\r\n out1[i] = (out[i] ^ iv[i]);\r\n }\r\n iv = temp.slice(0, 16);\r\n bous = bous.concat(out1);\r\n k++;\r\n }\r\n }\r\n\r\n var output = bous;\r\n if (ctx.isPadding && ctx.mode == this.SM4_DECRYPT) {\r\n output = this.padding(output, this.SM4_DECRYPT);\r\n }\r\n\r\n for (var i = 0; i < output.length; i++) {\r\n if (output[i] < 0) {\r\n output[i] = output[i] + 256;\r\n }\r\n }\r\n return output;\r\n }\r\n }\r\n\r\n\r\n function SM4Util() {\r\n this.secretKey = \"11HDESaAhiHHugDz\"; \/\/\u300a----------------------\u8fd9\u4e2a\u8981\u8ddf\u540e\u53f0\u4e00\u81f4\r\n this.iv = \"\";\r\n this.hexString = false;\r\n \/\/\u52a0\u5bc6_ECB\r\n this.encryptData_ECB = function (plainText) {\r\n try {\r\n var sm4 = new SM4();\r\n var ctx = new SM4_Context();\r\n ctx.isPadding = true;\r\n ctx.mode = sm4.SM4_ENCRYPT;\r\n var keyBytes = stringToByte(this.secretKey);\r\n sm4.sm4_setkey_enc(ctx, keyBytes);\r\n var encrypted = sm4.sm4_crypt_ecb(ctx, stringToByte(plainText));\r\n var cipherText = base64js.fromByteArray(encrypted);\r\n if (cipherText != null && cipherText.trim().length > 0) {\r\n cipherText.replace(\/(\\s*|\\t|\\r|\\n)\/g, \"\");\r\n }\r\n return cipherText;\r\n } catch (e) {\r\n console.error(e);\r\n return null;\r\n }\r\n\r\n }\r\n \/\/\u89e3\u5bc6_ECB\r\n this.decryptData_ECB = function (cipherText) {\r\n try {\r\n var sm4 = new SM4();\r\n var ctx = new SM4_Context();\r\n ctx.isPadding = true;\r\n ctx.mode = sm4.SM4_ENCRYPT;\r\n var keyBytes = stringToByte(this.secretKey);\r\n sm4.sm4_setkey_dec(ctx, keyBytes);\r\n var decrypted = sm4.sm4_crypt_ecb(ctx, base64js.toByteArray(cipherText));\r\n return byteToString(decrypted);\r\n } catch (e) {\r\n console.error(e);\r\n return null;\r\n }\r\n }\r\n\r\n this.encryptData_CBC = function (plainText) {\r\n try {\r\n var sm4 = new SM4();\r\n var ctx = new SM4_Context();\r\n ctx.isPadding = true;\r\n ctx.mode = sm4.SM4_ENCRYPT;\r\n\r\n var keyBytes = stringToByte(this.secretKey);\r\n var ivBytes = stringToByte(this.iv);\r\n\r\n sm4.sm4_setkey_enc(ctx, keyBytes);\r\n var encrypted = sm4.sm4_crypt_cbc(ctx, ivBytes, stringToByte(plainText));\r\n var cipherText = base64js.fromByteArray(encrypted);\r\n if (cipherText != null && cipherText.trim().length > 0) {\r\n cipherText.replace(\/(\\s*|\\t|\\r|\\n)\/g, \"\");\r\n }\r\n return cipherText;\r\n }\r\n catch (e) {\r\n console.error(e);\r\n return null;\r\n }\r\n }\r\n\r\n stringToByte = function (str) {\r\n var bytes = new Array();\r\n var len, c;\r\n len = str.length;\r\n for (var i = 0; i < len; i++) {\r\n c = str.charCodeAt(i);\r\n if (c >= 0x010000 && c <= 0x10FFFF) {\r\n bytes.push(((c >> 18) & 0x07) | 0xF0);\r\n bytes.push(((c >> 12) & 0x3F) | 0x80);\r\n bytes.push(((c >> 6) & 0x3F) | 0x80);\r\n bytes.push((c & 0x3F) | 0x80);\r\n } else if (c >= 0x000800 && c <= 0x00FFFF) {\r\n bytes.push(((c >> 12) & 0x0F) | 0xE0);\r\n bytes.push(((c >> 6) & 0x3F) | 0x80);\r\n bytes.push((c & 0x3F) | 0x80);\r\n } else if (c >= 0x000080 && c <= 0x0007FF) {\r\n bytes.push(((c >> 6) & 0x1F) | 0xC0);\r\n bytes.push((c & 0x3F) | 0x80);\r\n } else {\r\n bytes.push(c & 0xFF);\r\n }\r\n }\r\n return bytes;\r\n }\r\n\r\n\r\n byteToString = function (arr) {\r\n if (typeof arr === 'string') {\r\n return arr;\r\n }\r\n var str = '',\r\n _arr = arr;\r\n for (var i = 0; i < _arr.length; i++) {\r\n var one = _arr[i].toString(2),\r\n v = one.match(\/^1+?(?=0)\/);\r\n if (v && one.length == 8) {\r\n var bytesLength = v[0].length;\r\n var store = _arr[i].toString(2).slice(7 - bytesLength);\r\n for (var st = 1; st < bytesLength; st++) {\r\n store += _arr[st + i].toString(2).slice(2);\r\n }\r\n str += String.fromCharCode(parseInt(store, 2));\r\n i += bytesLength - 1;\r\n } else {\r\n str += String.fromCharCode(_arr[i]);\r\n }\r\n }\r\n return str;\r\n }\r\n };\r\n\r\n var s4 = new SM4Util();\r\n \/\/ \u52a0\u5bc6\r\n console.log(s4.encryptData_ECB(\"1675992981580\"));\r\n\r\n\r\n \/\/ \u89e3\u5bc6\r\n var dedata = s4.decryptData_ECB(\"buLktM5Pwoh66tDOv6bhMA==\");\r\n\r\n console.log(dedata);<\/pre>\n<\/p>\n
<\/p>\n