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@@ -0,0 +1,598 @@
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+let lookup: Array<any> = [];
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+let revLookup: Array<any> = [];
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+let Arr = typeof Uint8Array !== "undefined" ? Uint8Array : Array;
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+
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+let code = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
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+for (let i = 0, len = code.length; i < len; ++i) {
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+ lookup[i] = code[i];
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+ revLookup[code.charCodeAt(i)] = i;
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+}
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+
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+// Support decoding URL-safe base64 strings, as Node.js does.
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+// See: https://en.wikipedia.org/wiki/Base64#URL_applications
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+revLookup["-".charCodeAt(0)] = 62;
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+revLookup["_".charCodeAt(0)] = 63;
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+
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+function getLens(b64: any) {
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+ let len = b64.length;
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+
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+ if (len % 4 > 0) {
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+ throw new Error("Invalid string. Length must be a multiple of 4");
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+ }
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+
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+ // Trim off extra bytes after placeholder bytes are found
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+ // See: https://github.com/beatgammit/base64-js/issues/42
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+ let validLen = b64.indexOf("=");
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+ if (validLen === -1) validLen = len;
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+
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+ let placeHoldersLen = validLen === len ? 0 : 4 - (validLen % 4);
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+
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+ return [validLen, placeHoldersLen];
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+}
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+
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+// base64 is 4/3 + up to two characters of the original data
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+function byteLength(b64: any) {
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+ let lens = getLens(b64);
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+ let validLen = lens[0];
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+ let placeHoldersLen = lens[1];
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+ return ((validLen + placeHoldersLen) * 3) / 4 - placeHoldersLen;
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+}
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+
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+function _byteLength(b64: any, validLen: any, placeHoldersLen: any) {
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+ return ((validLen + placeHoldersLen) * 3) / 4 - placeHoldersLen;
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+}
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+
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+function toByteArray(b64: any) {
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+ let tmp : number;
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+ let lens = getLens(b64);
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+ let validLen = lens[0];
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+ let placeHoldersLen = lens[1];
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+
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+ let arr = new Arr(_byteLength(b64, validLen, placeHoldersLen));
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+
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+ let curByte = 0;
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+
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+ // if there are placeholders, only get up to the last complete 4 chars
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+ let len = placeHoldersLen > 0 ? validLen - 4 : validLen;
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+
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+ let i: number;
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+ for (i = 0; i < len; i += 4) {
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+ tmp =
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+ (revLookup[b64.charCodeAt(i)] << 18) |
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+ (revLookup[b64.charCodeAt(i + 1)] << 12) |
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+ (revLookup[b64.charCodeAt(i + 2)] << 6) |
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+ revLookup[b64.charCodeAt(i + 3)];
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+ arr[curByte++] = (tmp >> 16) & 0xff;
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+ arr[curByte++] = (tmp >> 8) & 0xff;
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+ arr[curByte++] = tmp & 0xff;
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+ }
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+
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+ if (placeHoldersLen === 2) {
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+ tmp =
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+ (revLookup[b64.charCodeAt(i)] << 2) |
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+ (revLookup[b64.charCodeAt(i + 1)] >> 4);
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+ arr[curByte++] = tmp & 0xff;
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+ }
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+
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+ if (placeHoldersLen === 1) {
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+ tmp =
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+ (revLookup[b64.charCodeAt(i)] << 10) |
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+ (revLookup[b64.charCodeAt(i + 1)] << 4) |
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+ (revLookup[b64.charCodeAt(i + 2)] >> 2);
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+ arr[curByte++] = (tmp >> 8) & 0xff;
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+ arr[curByte++] = tmp & 0xff;
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+ }
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+
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+ return arr;
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+}
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+
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+function tripletToBase64(num: any) {
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+ return (
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+ lookup[(num >> 18) & 0x3f] +
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+ lookup[(num >> 12) & 0x3f] +
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+ lookup[(num >> 6) & 0x3f] +
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+ lookup[num & 0x3f]
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+ );
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+}
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+
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+function encodeChunk(uint8: any, start: any, end: any) {
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+ let tmp: number;
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+ let output: Array<any> = [];
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+ for (let i = start; i < end; i += 3) {
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+ tmp =
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+ ((uint8[i] << 16) & 0xff0000) +
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+ ((uint8[i + 1] << 8) & 0xff00) +
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+ (uint8[i + 2] & 0xff);
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+ output.push(tripletToBase64(tmp));
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+ }
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+ return output.join("");
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+}
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+
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+function fromByteArray(uint8: any) {
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+ let tmp : number;
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+ let len = uint8.length;
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+ let extraBytes = len % 3; // if we have 1 byte left, pad 2 bytes
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+ let parts: Array<string> = [];
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+ let maxChunkLength = 16383; // must be multiple of 3
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+
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+ // go through the array every three bytes, we'll deal with trailing stuff later
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+ for (let i = 0, len2 = len - extraBytes; i < len2; i += maxChunkLength) {
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+ parts.push(
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+ encodeChunk(
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+ uint8,
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+ i,
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+ i + maxChunkLength > len2 ? len2 : i + maxChunkLength
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+ )
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+ );
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+ }
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+
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+ // pad the end with zeros, but make sure to not forget the extra bytes
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+ if (extraBytes === 1) {
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+ tmp = uint8[len - 1];
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+ parts.push(lookup[tmp >> 2] + lookup[(tmp << 4) & 0x3f] + "==");
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+ } else if (extraBytes === 2) {
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+ tmp = (uint8[len - 2] << 8) + uint8[len - 1];
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+ parts.push(
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+ lookup[tmp >> 10] +
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+ lookup[(tmp >> 4) & 0x3f] +
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+ lookup[(tmp << 2) & 0x3f] +
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+ "="
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+ );
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+ }
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+
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+ return parts.join("");
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+}
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+
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+/**
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+ * 国密SM4加密算法
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+ * @author c.z.s
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+ * @email 1048829253@qq.com
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+ * @company GDT-ZWZX-DEV-PT
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+ * @date 2018-07
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+ */
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+class SM4_Context {
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+ mode: number = 1;
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+ isPadding: boolean = true;
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+ sk: Array<any> = new Array(32);
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+}
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+
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+class SM4 {
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+ SM4_ENCRYPT: number = 1;
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+ SM4_DECRYPT: number = 0;
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+
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+ SboxTable: Array<any> = [
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+ 0xd6, 0x90, 0xe9, 0xfe, 0xcc, 0xe1, 0x3d, 0xb7, 0x16, 0xb6, 0x14, 0xc2,
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+ 0x28, 0xfb, 0x2c, 0x05, 0x2b, 0x67, 0x9a, 0x76, 0x2a, 0xbe, 0x04, 0xc3,
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+ 0xaa, 0x44, 0x13, 0x26, 0x49, 0x86, 0x06, 0x99, 0x9c, 0x42, 0x50, 0xf4,
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+ 0x91, 0xef, 0x98, 0x7a, 0x33, 0x54, 0x0b, 0x43, 0xed, 0xcf, 0xac, 0x62,
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+ 0xe4, 0xb3, 0x1c, 0xa9, 0xc9, 0x08, 0xe8, 0x95, 0x80, 0xdf, 0x94, 0xfa,
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+ 0x75, 0x8f, 0x3f, 0xa6, 0x47, 0x07, 0xa7, 0xfc, 0xf3, 0x73, 0x17, 0xba,
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+ 0x83, 0x59, 0x3c, 0x19, 0xe6, 0x85, 0x4f, 0xa8, 0x68, 0x6b, 0x81, 0xb2,
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+ 0x71, 0x64, 0xda, 0x8b, 0xf8, 0xeb, 0x0f, 0x4b, 0x70, 0x56, 0x9d, 0x35,
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+ 0x1e, 0x24, 0x0e, 0x5e, 0x63, 0x58, 0xd1, 0xa2, 0x25, 0x22, 0x7c, 0x3b,
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+ 0x01, 0x21, 0x78, 0x87, 0xd4, 0x00, 0x46, 0x57, 0x9f, 0xd3, 0x27, 0x52,
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+ 0x4c, 0x36, 0x02, 0xe7, 0xa0, 0xc4, 0xc8, 0x9e, 0xea, 0xbf, 0x8a, 0xd2,
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+ 0x40, 0xc7, 0x38, 0xb5, 0xa3, 0xf7, 0xf2, 0xce, 0xf9, 0x61, 0x15, 0xa1,
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+ 0xe0, 0xae, 0x5d, 0xa4, 0x9b, 0x34, 0x1a, 0x55, 0xad, 0x93, 0x32, 0x30,
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+ 0xf5, 0x8c, 0xb1, 0xe3, 0x1d, 0xf6, 0xe2, 0x2e, 0x82, 0x66, 0xca, 0x60,
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+ 0xc0, 0x29, 0x23, 0xab, 0x0d, 0x53, 0x4e, 0x6f, 0xd5, 0xdb, 0x37, 0x45,
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+ 0xde, 0xfd, 0x8e, 0x2f, 0x03, 0xff, 0x6a, 0x72, 0x6d, 0x6c, 0x5b, 0x51,
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+ 0x8d, 0x1b, 0xaf, 0x92, 0xbb, 0xdd, 0xbc, 0x7f, 0x11, 0xd9, 0x5c, 0x41,
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+ 0x1f, 0x10, 0x5a, 0xd8, 0x0a, 0xc1, 0x31, 0x88, 0xa5, 0xcd, 0x7b, 0xbd,
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+ 0x2d, 0x74, 0xd0, 0x12, 0xb8, 0xe5, 0xb4, 0xb0, 0x89, 0x69, 0x97, 0x4a,
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+ 0x0c, 0x96, 0x77, 0x7e, 0x65, 0xb9, 0xf1, 0x09, 0xc5, 0x6e, 0xc6, 0x84,
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+ 0x18, 0xf0, 0x7d, 0xec, 0x3a, 0xdc, 0x4d, 0x20, 0x79, 0xee, 0x5f, 0x3e,
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+ 0xd7, 0xcb, 0x39, 0x48,
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+ ];
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+
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+ FK = [0xa3b1bac6, 0x56aa3350, 0x677d9197, 0xb27022dc];
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+
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+ CK = [
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+ 0x00070e15, 0x1c232a31, 0x383f464d, 0x545b6269, 0x70777e85, 0x8c939aa1,
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+ 0xa8afb6bd, 0xc4cbd2d9, 0xe0e7eef5, 0xfc030a11, 0x181f262d, 0x343b4249,
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+ 0x50575e65, 0x6c737a81, 0x888f969d, 0xa4abb2b9, 0xc0c7ced5, 0xdce3eaf1,
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+ 0xf8ff060d, 0x141b2229, 0x30373e45, 0x4c535a61, 0x686f767d, 0x848b9299,
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+ 0xa0a7aeb5, 0xbcc3cad1, 0xd8dfe6ed, 0xf4fb0209, 0x10171e25, 0x2c333a41,
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+ 0x484f565d, 0x646b7279,
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+ ];
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+
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+ GET_ULONG_BE(b: any, i: any) {
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+ return (
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+ ((b[i] & 0xff) << 24) |
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+ ((b[i + 1] & 0xff) << 16) |
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+ ((b[i + 2] & 0xff) << 8) |
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+ (b[i + 3] & 0xff & 0xffffffff)
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+ );
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+ }
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+
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+ PUT_ULONG_BE(n: any, b: any, i: any) {
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+ let t1 = 0xff & (n >> 24);
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+ let t2 = 0xff & (n >> 16);
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+ let t3 = 0xff & (n >> 8);
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+ let t4 = 0xff & n;
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+ b[i] = t1 > 128 ? t1 - 256 : t1;
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+ b[i + 1] = t2 > 128 ? t2 - 256 : t2;
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+ b[i + 2] = t3 > 128 ? t3 - 256 : t3;
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+ b[i + 3] = t4 > 128 ? t4 - 256 : t4;
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+ }
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+
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+ SHL(x: any, n: any) {
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+ return (x & 0xffffffff) << n;
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+ }
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+
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+ ROTL(x: any, n: any) {
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+ let s = this.SHL(x, n);
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+ let ss = x >> (32 - n);
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+ return this.SHL(x, n) | (x >> (32 - n));
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+ }
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+
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+ sm4Lt(ka: any) {
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+ let bb = 0;
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+ let c = 0;
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+ let a = new Array(4);
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+ let b = new Array(4);
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+ this.PUT_ULONG_BE(ka, a, 0);
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+ b[0] = this.sm4Sbox(a[0]);
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+ b[1] = this.sm4Sbox(a[1]);
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+ b[2] = this.sm4Sbox(a[2]);
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+ b[3] = this.sm4Sbox(a[3]);
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+ bb = this.GET_ULONG_BE(b, 0);
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+ c =
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+ bb ^
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+ this.ROTL(bb, 2) ^
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+ this.ROTL(bb, 10) ^
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+ this.ROTL(bb, 18) ^
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+ this.ROTL(bb, 24);
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+ return c;
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+ }
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+
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+ sm4F(x0: any, x1: any, x2: any, x3: any, rk: any) {
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+ return x0 ^ this.sm4Lt(x1 ^ x2 ^ x3 ^ rk);
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+ }
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+
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+ sm4CalciRK(ka: any) {
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+ let bb = 0;
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+ let rk = 0;
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+ let a = new Array(4);
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+ let b = new Array(4);
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+ this.PUT_ULONG_BE(ka, a, 0);
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+ b[0] = this.sm4Sbox(a[0]);
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+ b[1] = this.sm4Sbox(a[1]);
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+ b[2] = this.sm4Sbox(a[2]);
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+ b[3] = this.sm4Sbox(a[3]);
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+ bb = this.GET_ULONG_BE(b, 0);
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+ rk = bb ^ this.ROTL(bb, 13) ^ this.ROTL(bb, 23);
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+ return rk;
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+ }
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+
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+ sm4Sbox(inch: any) {
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+ let i = inch & 0xff;
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+ let retVal = this.SboxTable[i];
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+ return retVal > 128 ? retVal - 256 : retVal;
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+ }
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+
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+ sm4_setkey_enc(ctx: any, key: any) {
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+ if (ctx == null) {
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+ alert("ctx is null!");
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+ return false;
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+ }
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+ if (key == null || key.length < 16) {
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+ alert("key error!");
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+ return false;
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+ }
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+ ctx.mode = this.SM4_ENCRYPT;
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+ this.tsm4_setkey(ctx.sk, key);
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+ }
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+ //生成解密密钥
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+ sm4_setkey_dec(ctx: any, key: any) {
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+ if (ctx == null) {
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+ new Error("ctx is null!");
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+ }
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+
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+ if (key == null || key.length !== 16) {
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+ new Error("2key error!");
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+ }
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+
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+ // let i = 0;
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+ ctx.mode = 0;
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+ this.tsm4_setkey(ctx.sk, key);
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+ ctx.sk = ctx.sk.reverse();
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+ }
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+
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+ tsm4_setkey(SK: Array<any>, key: any) {
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+ let MK = new Array(4);
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+ let k = new Array(36);
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+ // let i = 0;
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+ MK[0] = this.GET_ULONG_BE(key, 0);
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+ MK[1] = this.GET_ULONG_BE(key, 4);
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+ MK[2] = this.GET_ULONG_BE(key, 8);
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+ MK[3] = this.GET_ULONG_BE(key, 12);
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+ k[0] = MK[0] ^ this.FK[0];
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+ k[1] = MK[1] ^ this.FK[1];
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+ k[2] = MK[2] ^ this.FK[2];
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+ k[3] = MK[3] ^ this.FK[3];
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+ for (let i = 0; i < 32; i++) {
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+ k[i + 4] =
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+ k[i] ^
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+ this.sm4CalciRK(k[i + 1] ^ k[i + 2] ^ k[i + 3] ^ this.CK[i]);
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+ SK[i] = k[i + 4];
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+ }
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+ }
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+ padding(input: any, mode: any) {
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+ if (input == null) {
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+ return null;
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+ }
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+ let ret: Array<number> = [];
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+ if (mode == this.SM4_ENCRYPT) {
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+ let p = parseInt((16 - (input.length % 16)).toString(), 10);
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+ ret = input.slice(0);
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+ for (let i = 0; i < p; i++) {
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+ ret[input.length + i] = p;
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+ }
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+ } else {
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+ let p = input[input.length - 1];
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+ ret = input.slice(0, input.length - p);
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+ }
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+ return ret;
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+ }
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+ sm4_one_round(sk: any, input: any, output: any) {
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+ let i = 0;
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+ let ulbuf = new Array(36);
|
|
|
+ ulbuf[0] = this.GET_ULONG_BE(input, 0);
|
|
|
+ ulbuf[1] = this.GET_ULONG_BE(input, 4);
|
|
|
+ ulbuf[2] = this.GET_ULONG_BE(input, 8);
|
|
|
+ ulbuf[3] = this.GET_ULONG_BE(input, 12);
|
|
|
+ while (i < 32) {
|
|
|
+ ulbuf[i + 4] = this.sm4F(
|
|
|
+ ulbuf[i],
|
|
|
+ ulbuf[i + 1],
|
|
|
+ ulbuf[i + 2],
|
|
|
+ ulbuf[i + 3],
|
|
|
+ sk[i]
|
|
|
+ );
|
|
|
+ i++;
|
|
|
+ }
|
|
|
+ this.PUT_ULONG_BE(ulbuf[35], output, 0);
|
|
|
+ this.PUT_ULONG_BE(ulbuf[34], output, 4);
|
|
|
+ this.PUT_ULONG_BE(ulbuf[33], output, 8);
|
|
|
+ this.PUT_ULONG_BE(ulbuf[32], output, 12);
|
|
|
+ }
|
|
|
+
|
|
|
+ sm4_crypt_ecb(ctx: any, input: any) {
|
|
|
+ if (input == null) {
|
|
|
+ alert("input is null!");
|
|
|
+ }
|
|
|
+ if (ctx.isPadding && ctx.mode == this.SM4_ENCRYPT) {
|
|
|
+ input = this.padding(input, this.SM4_ENCRYPT);
|
|
|
+ }
|
|
|
+
|
|
|
+ let i = 0;
|
|
|
+ let length = input.length;
|
|
|
+ let bous = new Array<any>();
|
|
|
+ for (; length > 0; length -= 16) {
|
|
|
+ let out = new Array(16);
|
|
|
+ let ins = input.slice(i * 16, 16 * (i + 1));
|
|
|
+ this.sm4_one_round(ctx.sk, ins, out);
|
|
|
+ bous = bous.concat(out);
|
|
|
+ i++;
|
|
|
+ }
|
|
|
+
|
|
|
+ let output = bous;
|
|
|
+ if (ctx.isPadding && ctx.mode == this.SM4_DECRYPT) {
|
|
|
+ output = this.padding(output, this.SM4_DECRYPT)!;
|
|
|
+ }
|
|
|
+ for (let ki = 0; ki < output.length; ki++) {
|
|
|
+ if (output[ki] < 0) {
|
|
|
+ output[ki] = output[ki] + 256;
|
|
|
+ }
|
|
|
+ }
|
|
|
+ return output;
|
|
|
+ }
|
|
|
+
|
|
|
+ sm4_crypt_cbc(ctx: any, iv: any, input: any) {
|
|
|
+ if (iv == null || iv.length != 16) {
|
|
|
+ alert("iv error!");
|
|
|
+ }
|
|
|
+
|
|
|
+ if (input == null) {
|
|
|
+ alert("input is null!");
|
|
|
+ }
|
|
|
+
|
|
|
+ if (ctx.isPadding && ctx.mode == this.SM4_ENCRYPT) {
|
|
|
+ input = this.padding(input, this.SM4_ENCRYPT);
|
|
|
+ }
|
|
|
+
|
|
|
+ let i = 0;
|
|
|
+ let length = input.length;
|
|
|
+ let bous = new Array<number>();
|
|
|
+ if (ctx.mode == this.SM4_ENCRYPT) {
|
|
|
+ let k = 0;
|
|
|
+ for (; length > 0; length -= 16) {
|
|
|
+ let out = new Array(16);
|
|
|
+ let out1 = new Array(16);
|
|
|
+ let ins = input.slice(k * 16, 16 * (k + 1));
|
|
|
+
|
|
|
+ for (i = 0; i < 16; i++) {
|
|
|
+ out[i] = ins[i] ^ iv[i];
|
|
|
+ }
|
|
|
+ this.sm4_one_round(ctx.sk, out, out1);
|
|
|
+ iv = out1.slice(0, 16);
|
|
|
+ bous = bous.concat(out1);
|
|
|
+ k++;
|
|
|
+ }
|
|
|
+ } else {
|
|
|
+ let temp = [];
|
|
|
+ let k = 0;
|
|
|
+ for (; length > 0; length -= 16) {
|
|
|
+ let out = new Array(16);
|
|
|
+ let out1 = new Array(16);
|
|
|
+ let ins = input.slice(k * 16, 16 * (k + 1));
|
|
|
+ temp = ins.slice(0, 16);
|
|
|
+ this.sm4_one_round(ctx.sk, ins, out);
|
|
|
+ for (i = 0; i < 16; i++) {
|
|
|
+ out1[i] = out[i] ^ iv[i];
|
|
|
+ }
|
|
|
+ iv = temp.slice(0, 16);
|
|
|
+ bous = bous.concat(out1);
|
|
|
+ k++;
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ let output = bous;
|
|
|
+ if (ctx.isPadding && ctx.mode == this.SM4_DECRYPT) {
|
|
|
+ output = this.padding(output, this.SM4_DECRYPT)!;
|
|
|
+ }
|
|
|
+
|
|
|
+ for (let i = 0; i < output.length; i++) {
|
|
|
+ if (output[i] < 0) {
|
|
|
+ output[i] = output[i] + 256;
|
|
|
+ }
|
|
|
+ }
|
|
|
+ return output;
|
|
|
+ }
|
|
|
+}
|
|
|
+
|
|
|
+const stringToByte = function (str: any) {
|
|
|
+ let bytes = new Array<number>();
|
|
|
+ let len: number, c : number;
|
|
|
+ len = str.length;
|
|
|
+ for (let i = 0; i < len; i++) {
|
|
|
+ c = str.charCodeAt(i);
|
|
|
+ if (c >= 0x010000 && c <= 0x10ffff) {
|
|
|
+ bytes.push(((c >> 18) & 0x07) | 0xf0);
|
|
|
+ bytes.push(((c >> 12) & 0x3f) | 0x80);
|
|
|
+ bytes.push(((c >> 6) & 0x3f) | 0x80);
|
|
|
+ bytes.push((c & 0x3f) | 0x80);
|
|
|
+ } else if (c >= 0x000800 && c <= 0x00ffff) {
|
|
|
+ bytes.push(((c >> 12) & 0x0f) | 0xe0);
|
|
|
+ bytes.push(((c >> 6) & 0x3f) | 0x80);
|
|
|
+ bytes.push((c & 0x3f) | 0x80);
|
|
|
+ } else if (c >= 0x000080 && c <= 0x0007ff) {
|
|
|
+ bytes.push(((c >> 6) & 0x1f) | 0xc0);
|
|
|
+ bytes.push((c & 0x3f) | 0x80);
|
|
|
+ } else {
|
|
|
+ bytes.push(c & 0xff);
|
|
|
+ }
|
|
|
+ }
|
|
|
+ return bytes;
|
|
|
+};
|
|
|
+
|
|
|
+const byteToString = function (arr: any) {
|
|
|
+ if (typeof arr === "string") {
|
|
|
+ return arr;
|
|
|
+ }
|
|
|
+ let str = "",
|
|
|
+ _arr = arr;
|
|
|
+ for (let i = 0; i < _arr.length; i++) {
|
|
|
+ let one = _arr[i].toString(2),
|
|
|
+ v = one.match(/^1+?(?=0)/);
|
|
|
+ if (v && one.length == 8) {
|
|
|
+ let bytesLength = v[0].length;
|
|
|
+ let store = _arr[i].toString(2).slice(7 - bytesLength);
|
|
|
+ for (let st = 1; st < bytesLength; st++) {
|
|
|
+ store += _arr[st + i].toString(2).slice(2);
|
|
|
+ }
|
|
|
+ str += String.fromCharCode(parseInt(store, 2));
|
|
|
+ i += bytesLength - 1;
|
|
|
+ } else {
|
|
|
+ str += String.fromCharCode(_arr[i]);
|
|
|
+ }
|
|
|
+ }
|
|
|
+ return str;
|
|
|
+};
|
|
|
+
|
|
|
+export class SM4Util {
|
|
|
+ // 加密
|
|
|
+ encryptData_CBC(plainText: any, pubKey: any, iv: any) {
|
|
|
+ try {
|
|
|
+ let sm4 = new SM4();
|
|
|
+ let ctx = new SM4_Context();
|
|
|
+ ctx.isPadding = true;
|
|
|
+ ctx.mode = sm4.SM4_ENCRYPT;
|
|
|
+
|
|
|
+ let keyBytes = toByteArray(pubKey);
|
|
|
+
|
|
|
+ sm4.sm4_setkey_enc(ctx, keyBytes);
|
|
|
+ let encrypted = sm4.sm4_crypt_cbc(
|
|
|
+ ctx,
|
|
|
+ iv,
|
|
|
+ stringToByte(plainText)
|
|
|
+ );
|
|
|
+ let cipherText = fromByteArray(encrypted);
|
|
|
+ if (cipherText != null && cipherText.trim().length > 0) {
|
|
|
+ cipherText.replace(/(\s*|\t|\r|\n)/g, "");
|
|
|
+ }
|
|
|
+ return cipherText;
|
|
|
+ } catch (e) {
|
|
|
+ console.error(e);
|
|
|
+ return null;
|
|
|
+ }
|
|
|
+ }
|
|
|
+ decryptData_CBC(cipherText: any, pubKey: any, iv: any) {
|
|
|
+ try {
|
|
|
+ let sm4 = new SM4();
|
|
|
+ let ctx = new SM4_Context();
|
|
|
+ ctx.isPadding = true;
|
|
|
+ ctx.mode = sm4.SM4_ENCRYPT;
|
|
|
+ let keyBytes = toByteArray(pubKey);
|
|
|
+ sm4.sm4_setkey_dec(ctx, keyBytes);
|
|
|
+ let decrypted = sm4.sm4_crypt_cbc(
|
|
|
+ ctx,
|
|
|
+ iv,
|
|
|
+ toByteArray(cipherText)
|
|
|
+ );
|
|
|
+
|
|
|
+ return byteToString(decrypted).replace(/(\x10|\x04|\x05)/g, "").replaceAll("\b","");
|
|
|
+ } catch (e) {
|
|
|
+ console.error(e);
|
|
|
+ return null;
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ // 加密_ECB
|
|
|
+ encryptData_ECB(plainText: any, secretKey: string) {
|
|
|
+ try {
|
|
|
+ let sm4 = new SM4();
|
|
|
+ let ctx = new SM4_Context();
|
|
|
+ ctx.isPadding = true;
|
|
|
+ ctx.mode = sm4.SM4_ENCRYPT;
|
|
|
+
|
|
|
+ let keyBytes = stringToByte(secretKey);
|
|
|
+
|
|
|
+ sm4.sm4_setkey_enc(ctx, keyBytes);
|
|
|
+ let encrypted = sm4.sm4_crypt_ecb(
|
|
|
+ ctx,
|
|
|
+ stringToByte(plainText)
|
|
|
+ );
|
|
|
+ let cipherText = fromByteArray(encrypted);
|
|
|
+ if (cipherText != null && cipherText.trim().length > 0) {
|
|
|
+ cipherText.replace(/(\s*|\t|\r|\n)/g, "");
|
|
|
+ }
|
|
|
+ return cipherText;
|
|
|
+ } catch (e) {
|
|
|
+ console.error(e);
|
|
|
+ return null;
|
|
|
+ }
|
|
|
+ }
|
|
|
+ // 解密_ECB
|
|
|
+ decryptData_ECB(plainText: any, secretKey: string) {
|
|
|
+ try {
|
|
|
+ let sm4 = new SM4();
|
|
|
+ let ctx = new SM4_Context();
|
|
|
+ ctx.isPadding = true;
|
|
|
+ ctx.mode = sm4.SM4_DECRYPT;
|
|
|
+
|
|
|
+ let keyBytes = stringToByte(secretKey);
|
|
|
+
|
|
|
+ sm4.sm4_setkey_dec(ctx, keyBytes);
|
|
|
+ let decrypted = sm4.sm4_crypt_ecb(
|
|
|
+ ctx,
|
|
|
+ toByteArray(plainText)
|
|
|
+ );
|
|
|
+ return byteToString(decrypted);
|
|
|
+ } catch (e) {
|
|
|
+ console.error(e);
|
|
|
+ return null;
|
|
|
+ }
|
|
|
+ }
|
|
|
+}
|