aws-cdk-lib/core/lib/private/md5.js

Version 2 of the AWS Cloud Development Kit library

"use strict";Object.defineProperty(exports,"__esModule",{value:!0}),exports.md5hash=md5hash,exports.cryptoMd5=cryptoMd5,exports.jsMd5=jsMd5;var crypto=()=>{var tmp=require("crypto");return crypto=()=>tmp,tmp};let _impl;function md5hash(x){if(!_impl)try{crypto().createHash("md5"),_impl=cryptoMd5}catch{_impl=jsMd5}return _impl(x)}function cryptoMd5(x){const hash=crypto().createHash("md5");return hash.update(x),hash.digest("hex")}function jsMd5(s){return hex(md5Buffer(Buffer.from(s,"utf-8")))}function md5Round(x,k){let a=x[0],b=x[1],c=x[2],d=x[3];a=F(a,b,c,d,k[0],7,-680876936),d=F(d,a,b,c,k[1],12,-389564586),c=F(c,d,a,b,k[2],17,606105819),b=F(b,c,d,a,k[3],22,-1044525330),a=F(a,b,c,d,k[4],7,-176418897),d=F(d,a,b,c,k[5],12,1200080426),c=F(c,d,a,b,k[6],17,-1473231341),b=F(b,c,d,a,k[7],22,-45705983),a=F(a,b,c,d,k[8],7,1770035416),d=F(d,a,b,c,k[9],12,-1958414417),c=F(c,d,a,b,k[10],17,-42063),b=F(b,c,d,a,k[11],22,-1990404162),a=F(a,b,c,d,k[12],7,1804603682),d=F(d,a,b,c,k[13],12,-40341101),c=F(c,d,a,b,k[14],17,-1502002290),b=F(b,c,d,a,k[15],22,1236535329),a=G(a,b,c,d,k[1],5,-165796510),d=G(d,a,b,c,k[6],9,-1069501632),c=G(c,d,a,b,k[11],14,643717713),b=G(b,c,d,a,k[0],20,-373897302),a=G(a,b,c,d,k[5],5,-701558691),d=G(d,a,b,c,k[10],9,38016083),c=G(c,d,a,b,k[15],14,-660478335),b=G(b,c,d,a,k[4],20,-405537848),a=G(a,b,c,d,k[9],5,568446438),d=G(d,a,b,c,k[14],9,-1019803690),c=G(c,d,a,b,k[3],14,-187363961),b=G(b,c,d,a,k[8],20,1163531501),a=G(a,b,c,d,k[13],5,-1444681467),d=G(d,a,b,c,k[2],9,-51403784),c=G(c,d,a,b,k[7],14,1735328473),b=G(b,c,d,a,k[12],20,-1926607734),a=H(a,b,c,d,k[5],4,-378558),d=H(d,a,b,c,k[8],11,-2022574463),c=H(c,d,a,b,k[11],16,1839030562),b=H(b,c,d,a,k[14],23,-35309556),a=H(a,b,c,d,k[1],4,-1530992060),d=H(d,a,b,c,k[4],11,1272893353),c=H(c,d,a,b,k[7],16,-155497632),b=H(b,c,d,a,k[10],23,-1094730640),a=H(a,b,c,d,k[13],4,681279174),d=H(d,a,b,c,k[0],11,-358537222),c=H(c,d,a,b,k[3],16,-722521979),b=H(b,c,d,a,k[6],23,76029189),a=H(a,b,c,d,k[9],4,-640364487),d=H(d,a,b,c,k[12],11,-421815835),c=H(c,d,a,b,k[15],16,530742520),b=H(b,c,d,a,k[2],23,-995338651),a=I(a,b,c,d,k[0],6,-198630844),d=I(d,a,b,c,k[7],10,1126891415),c=I(c,d,a,b,k[14],15,-1416354905),b=I(b,c,d,a,k[5],21,-57434055),a=I(a,b,c,d,k[12],6,1700485571),d=I(d,a,b,c,k[3],10,-1894986606),c=I(c,d,a,b,k[10],15,-1051523),b=I(b,c,d,a,k[1],21,-2054922799),a=I(a,b,c,d,k[8],6,1873313359),d=I(d,a,b,c,k[15],10,-30611744),c=I(c,d,a,b,k[6],15,-1560198380),b=I(b,c,d,a,k[13],21,1309151649),a=I(a,b,c,d,k[4],6,-145523070),d=I(d,a,b,c,k[11],10,-1120210379),c=I(c,d,a,b,k[2],15,718787259),b=I(b,c,d,a,k[9],21,-343485551),x[0]=add32(a,x[0]),x[1]=add32(b,x[1]),x[2]=add32(c,x[2]),x[3]=add32(d,x[3])}function cmn(q,a,b,x,s,t){return a=add32(add32(a,q),add32(x,t)),add32(a<<s|a>>>32-s,b)}function F(a,b,c,d,x,s,t){return cmn(b&c|~b&d,a,b,x,s,t)}function G(a,b,c,d,x,s,t){return cmn(b&d|c&~d,a,b,x,s,t)}function H(a,b,c,d,x,s,t){return cmn(b^c^d,a,b,x,s,t)}function I(a,b,c,d,x,s,t){return cmn(c^(b|~d),a,b,x,s,t)}function md5Buffer(buf){let n=buf.length,state=[1732584193,-271733879,-1732584194,271733878],i=0;for(;i+64<=n;i+=64)md5Round(state,bytesToWordsBuf(buf,i));const remainingBytes=n-i,padding=Buffer.alloc(64-remainingBytes<9?128:64);buf.copy(padding,0,i),padding.writeUint8(128,remainingBytes);const bitLength=n*8;return padding.writeUint32LE(n<<3,padding.length-8),bitLength>=4294967295&&padding.writeUint32LE(Math.floor(bitLength/4294967295),padding.length-4),md5Round(state,bytesToWordsBuf(padding,0)),padding.length>64&&md5Round(state,bytesToWordsBuf(padding,64)),state}function bytesToWordsBuf(buf,byteOffset){const ret=new Array(16);let i=0,j=byteOffset;for(;i<16;i++,j+=4)ret[i]=buf.readUint32LE(j);return ret}let hex_chr="0123456789abcdef".split("");function hexify(n){const s=new Array;for(let j=0;j<4;j++)s.push(hex_chr[n>>>j*8+4&15]+hex_chr[n>>>j*8&15]);return s.join("")}function hex(x){const ret=new Array(x.length);for(let i=0;i<x.length;i++)ret[i]=hexify(x[i]);return ret.join("")}function add32(a,b){return a+b&4294967295}