| 54 | }; |
| 55 | }, |
| 56 | decodeTBS(buf) { |
| 57 | let tbs = {}; |
| 58 | let ber = new BER(buf); |
| 59 | if (ber.getTag() != 0x30) |
| 60 | throw new Error("x509: malformed TBS"); |
| 61 | ber.getLength(); |
| 62 | if (ber.peek() & 0x80) { |
| 63 | ber.skip(1); |
| 64 | tbs.version = ber.next(); |
| 65 | } |
| 66 | tbs.serialNumber = ber.next(); |
| 67 | tbs.signature = ber.next(); |
| 68 | tbs.issuer = ber.next(); |
| 69 | |
| 70 | let validity = new BER(ber.next()); |
| 71 | if (validity.getTag() != 0x30) |
| 72 | throw new Error("x509: malformed TBS"); |
| 73 | validity.getLength(); |
| 74 | let from = validity.next(); |
| 75 | let to = validity.next(); |
| 76 | from = parseDate(String.fromArrayBuffer(from.buffer.slice(from.byteOffset + 2, from.byteOffset + 2 + from.length - 2))); |
| 77 | to = parseDate(String.fromArrayBuffer(to.buffer.slice(to.byteOffset + 2, to.byteOffset + 2 + to.length - 2))); |
| 78 | tbs.validity = {from, to}; |
| 79 | tbs.subject = ber.next(); |
| 80 | tbs.subjectPublicKeyInfo = ber.next(); |
| 81 | return tbs; |
| 82 | }, |
| 83 | getSPK(spki) { // Subject Public Key Info |
| 84 | spki = decodeSPKI(spki); |
| 85 | if (!spki) |