PHP WebShell

• .. (вверх)
• [DIR] ..
• [FILE] addressToEvm.d.ts
• [FILE] addressToEvm.js
• [FILE] check.d.ts
• [FILE] check.js
• [FILE] checksum.d.ts
• [FILE] checksum.js
• [FILE] decode.d.ts
• [FILE] decode.js
• [FILE] defaults.d.ts
• [FILE] defaults.js
• [FILE] derive.d.ts
• [FILE] derive.js
• [FILE] encode.d.ts
• [FILE] encode.js
• [FILE] encodeDerived.d.ts
• [FILE] encodeDerived.js
• [FILE] encodeMulti.d.ts
• [FILE] encodeMulti.js
• [FILE] eq.d.ts
• [FILE] eq.js
• [FILE] evmToAddress.d.ts
• [FILE] evmToAddress.js
• [FILE] index.d.ts
• [FILE] index.js
• [FILE] is.d.ts
• [FILE] is.js
• [FILE] keyDerived.d.ts
• [FILE] keyDerived.js
• [FILE] keyMulti.d.ts
• [FILE] keyMulti.js
• [FILE] setSS58Format.d.ts
• [FILE] setSS58Format.js
• [FILE] sort.d.ts
• [FILE] sort.js
• [FILE] sshash.d.ts
• [FILE] sshash.js
• [FILE] types.d.ts
• [FILE] types.js
• [FILE] util.d.ts
• [FILE] util.js
• [FILE] validate.d.ts
• [FILE] validate.js

Просмотр файла: checksum.js

import { sshash } from './sshash.js';
export function checkAddressChecksum(decoded) {
    const ss58Length = (decoded[0] & 0b0100_0000) ? 2 : 1;
    const ss58Decoded = ss58Length === 1
        ? decoded[0]
        : ((decoded[0] & 0b0011_1111) << 2) | (decoded[1] >> 6) | ((decoded[1] & 0b0011_1111) << 8);
    // 32/33 bytes public + 2 bytes checksum + prefix
    const isPublicKey = [34 + ss58Length, 35 + ss58Length].includes(decoded.length);
    const length = decoded.length - (isPublicKey ? 2 : 1);
    // calculate the hash and do the checksum byte checks
    const hash = sshash(decoded.subarray(0, length));
    const isValid = (decoded[0] & 0b1000_0000) === 0 && ![46, 47].includes(decoded[0]) && (isPublicKey
        ? decoded[decoded.length - 2] === hash[0] && decoded[decoded.length - 1] === hash[1]
        : decoded[decoded.length - 1] === hash[0]);
    return [isValid, length, ss58Length, ss58Decoded];
}

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