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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,87 @@ | ||
| const bigInt = require("big-integer"); | ||
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| module.exports.leBuff2int = leBuff2int; | ||
| module.exports.leInt2Buff = leInt2Buff; | ||
| module.exports.beBuff2int = beBuff2int; | ||
| module.exports.beInt2Buff = beInt2Buff; | ||
| module.exports.stringifyBigInts = stringifyBigInts; | ||
| module.exports.unstringifyBigInts = unstringifyBigInts; | ||
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| function leBuff2int (buff) { | ||
| let res = bigInt.zero; | ||
| for (let i=0; i<buff.length; i++) { | ||
| const n = bigInt(buff[i]); | ||
| res = res.add(n.shiftLeft(i*8)); | ||
| } | ||
| return res; | ||
| } | ||
|
|
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| function leInt2Buff(n, len) { | ||
| let r = n; | ||
| let o =0; | ||
| const buff = Buffer.alloc(len); | ||
| while ((r.gt(bigInt.zero))&&(o<buff.length)) { | ||
| let c = Number(r.and(bigInt(255))); | ||
| buff[o] = c; | ||
| o++; | ||
| r = r.shiftRight(8); | ||
| } | ||
| if (r.gt(bigInt.zero)) throw new Error("Number does not feed in buffer"); | ||
| return buff; | ||
| } | ||
|
|
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| function beBuff2int (buff) { | ||
| let res = bigInt.zero; | ||
| for (let i=0; i<buff.length; i++) { | ||
| const n = bigInt(buff[buff.length - i - 1]); | ||
| res = res.add(n.shiftLeft(i*8)); | ||
| } | ||
| return res; | ||
| } | ||
|
|
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| function beInt2Buff(n, len) { | ||
| let r = n; | ||
| let o =len-1; | ||
| const buff = Buffer.alloc(len); | ||
| while ((r.greater(bigInt.zero))&&(o>=0)) { | ||
| let c = Number(r.and(bigInt(255))); | ||
| buff[o] = c; | ||
| o--; | ||
| r = r.shiftRight(8); | ||
| } | ||
| if (r.gt(bigInt.zero)) throw new Error("Number does not feed in buffer"); | ||
| return buff; | ||
| } | ||
|
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|
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| function stringifyBigInts(o) { | ||
| if ((typeof(o) == "bigint") || o.isZero !== undefined) { | ||
| return o.toString(10); | ||
| } else if (Array.isArray(o)) { | ||
| return o.map(stringifyBigInts); | ||
| } else if (typeof o == "object") { | ||
| const res = {}; | ||
| for (let k in o) { | ||
| res[k] = stringifyBigInts(o[k]); | ||
| } | ||
| return res; | ||
| } else { | ||
| return o; | ||
| } | ||
| } | ||
|
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||
| function unstringifyBigInts(o) { | ||
| if ((typeof(o) == "string") && (/^[0-9]+$/.test(o) )) { | ||
| return bigInt(o); | ||
| } else if (Array.isArray(o)) { | ||
| return o.map(unstringifyBigInts); | ||
| } else if (typeof o == "object") { | ||
| const res = {}; | ||
| for (let k in o) { | ||
| res[k] = unstringifyBigInts(o[k]); | ||
| } | ||
| return res; | ||
| } else { | ||
| return o; | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1 +1 @@ | ||
| {"in":[0,1,1,0,0,0,0,1,0,1,1,0,0,0,1,0,0,1,1,0,0,0,1,1,0,1,1,0,0,1,0,0,0,1,1,0,0,0,1,0,0,1,1,0,0,0,1,1,0,1,1,0,0,1,0,0,0,1,1,0,0,1,0,1,0,1,1,0,0,0,1,1,0,1,1,0,0,1,0,0,0,1,1,0,0,1,0,1,0,1,1,0,0,1,1,0,0,1,1,0,0,1,0,0,0,1,1,0,0,1,0,1,0,1,1,0,0,1,1,0,0,1,1,0,0,1,1,1,0,1,1,0,0,1,0,1,0,1,1,0,0,1,1,0,0,1,1,0,0,1,1,1,0,1,1,0,1,0,0,0,0,1,1,0,0,1,1,0,0,1,1,0,0,1,1,1,0,1,1,0,1,0,0,0,0,1,1,0,1,0,0,1,0,1,1,0,0,1,1,1,0,1,1,0,1,0,0,0,0,1,1,0,1,0,0,1,0,1,1,0,1,0,1,0,0,1,1,0,1,0,0,0,0,1,1,0,1,0,0,1,0,1,1,0,1,0,1,0,0,1,1,0,1,0,1,1,0,1,1,0,1,0,0,1,0,1,1,0,1,0,1,0,0,1,1,0,1,0,1,1,0,1,1,0,1,1,0,0,0,1,1,0,1,0,1,0,0,1,1,0,1,0,1,1,0,1,1,0,1,1,0,0,0,1,1,0,1,1,0,1,0,1,1,0,1,0,1,1,0,1,1,0,1,1,0,0,0,1,1,0,1,1,0,1,0,1,1,0,1,1,1,0,0,1,1,0,1,1,0,0,0,1,1,0,1,1,0,1,0,1,1,0,1,1,1,0,0,1,1,0,1,1,1,1,0,1,1,0,1,1,0,1,0,1,1,0,1,1,1,0,0,1,1,0,1,1,1,1,0,1,1,1,0,0,0,0,0,1,1,0,1,1,1,0,0,1,1,0,1,1,1,1,0,1,1,1,0,0,0,0,0,1,1,1,0,0,0,1]} | ||
| {"in":"3876493977147089964395646989418653640709890493868463039177063670701706079087","Ax":"7544364404313686108640297486043592597084907953513982229886192880342666171487","Ay":"2721089742146723067451923493488918617350881493409568860627491866568993834336"} |
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