diff options
Diffstat (limited to 'third_party/js/PKI.js/src/RSAESOAEPParams.ts')
| -rw-r--r-- | third_party/js/PKI.js/src/RSAESOAEPParams.ts | 241 |
1 files changed, 241 insertions, 0 deletions
diff --git a/third_party/js/PKI.js/src/RSAESOAEPParams.ts b/third_party/js/PKI.js/src/RSAESOAEPParams.ts new file mode 100644 index 0000000000..efe33f3de1 --- /dev/null +++ b/third_party/js/PKI.js/src/RSAESOAEPParams.ts @@ -0,0 +1,241 @@ +import * as asn1js from "asn1js"; +import * as pvutils from "pvutils"; +import { AlgorithmIdentifier, AlgorithmIdentifierJson, AlgorithmIdentifierSchema } from "./AlgorithmIdentifier"; +import { EMPTY_STRING } from "./constants"; +import { AsnError } from "./errors"; +import { PkiObject, PkiObjectParameters } from "./PkiObject"; +import * as Schema from "./Schema"; + +const HASH_ALGORITHM = "hashAlgorithm"; +const MASK_GEN_ALGORITHM = "maskGenAlgorithm"; +const P_SOURCE_ALGORITHM = "pSourceAlgorithm"; +const CLEAR_PROPS = [ + HASH_ALGORITHM, + MASK_GEN_ALGORITHM, + P_SOURCE_ALGORITHM +]; + +export interface IRSAESOAEPParams { + hashAlgorithm: AlgorithmIdentifier; + maskGenAlgorithm: AlgorithmIdentifier; + pSourceAlgorithm: AlgorithmIdentifier; +} + +export interface RSAESOAEPParamsJson { + hashAlgorithm?: AlgorithmIdentifierJson; + maskGenAlgorithm?: AlgorithmIdentifierJson; + pSourceAlgorithm?: AlgorithmIdentifierJson; +} + +export type RSAESOAEPParamsParameters = PkiObjectParameters & Partial<IRSAESOAEPParams>; + +/** + * Class from RFC3447 + */ +export class RSAESOAEPParams extends PkiObject implements IRSAESOAEPParams { + + public static override CLASS_NAME = "RSAESOAEPParams"; + + public hashAlgorithm!: AlgorithmIdentifier; + public maskGenAlgorithm!: AlgorithmIdentifier; + public pSourceAlgorithm!: AlgorithmIdentifier; + + /** + * Initializes a new instance of the {@link RSAESOAEPParams} class + * @param parameters Initialization parameters + */ + constructor(parameters: RSAESOAEPParamsParameters = {}) { + super(); + + this.hashAlgorithm = pvutils.getParametersValue(parameters, HASH_ALGORITHM, RSAESOAEPParams.defaultValues(HASH_ALGORITHM)); + this.maskGenAlgorithm = pvutils.getParametersValue(parameters, MASK_GEN_ALGORITHM, RSAESOAEPParams.defaultValues(MASK_GEN_ALGORITHM)); + this.pSourceAlgorithm = pvutils.getParametersValue(parameters, P_SOURCE_ALGORITHM, RSAESOAEPParams.defaultValues(P_SOURCE_ALGORITHM)); + + if (parameters.schema) { + this.fromSchema(parameters.schema); + } + } + + /** + * Returns default values for all class members + * @param memberName String name for a class member + * @returns Default value + */ + public static override defaultValues(memberName: typeof HASH_ALGORITHM): AlgorithmIdentifier; + public static override defaultValues(memberName: typeof MASK_GEN_ALGORITHM): AlgorithmIdentifier; + public static override defaultValues(memberName: typeof P_SOURCE_ALGORITHM): AlgorithmIdentifier; + public static override defaultValues(memberName: string): any { + switch (memberName) { + case HASH_ALGORITHM: + return new AlgorithmIdentifier({ + algorithmId: "1.3.14.3.2.26", // SHA-1 + algorithmParams: new asn1js.Null() + }); + case MASK_GEN_ALGORITHM: + return new AlgorithmIdentifier({ + algorithmId: "1.2.840.113549.1.1.8", // MGF1 + algorithmParams: (new AlgorithmIdentifier({ + algorithmId: "1.3.14.3.2.26", // SHA-1 + algorithmParams: new asn1js.Null() + })).toSchema() + }); + case P_SOURCE_ALGORITHM: + return new AlgorithmIdentifier({ + algorithmId: "1.2.840.113549.1.1.9", // id-pSpecified + algorithmParams: new asn1js.OctetString({ valueHex: (new Uint8Array([0xda, 0x39, 0xa3, 0xee, 0x5e, 0x6b, 0x4b, 0x0d, 0x32, 0x55, 0xbf, 0xef, 0x95, 0x60, 0x18, 0x90, 0xaf, 0xd8, 0x07, 0x09])).buffer }) // SHA-1 hash of empty string + }); + default: + return super.defaultValues(memberName); + } + } + + /** + * @inheritdoc + * @asn ASN.1 schema + * ```asn + * RSAES-OAEP-params ::= SEQUENCE { + * hashAlgorithm [0] HashAlgorithm DEFAULT sha1, + * maskGenAlgorithm [1] MaskGenAlgorithm DEFAULT mgf1SHA1, + * pSourceAlgorithm [2] PSourceAlgorithm DEFAULT pSpecifiedEmpty + * } + *``` + */ + public static override schema(parameters: Schema.SchemaParameters<{ + hashAlgorithm?: AlgorithmIdentifierSchema; + maskGenAlgorithm?: AlgorithmIdentifierSchema; + pSourceAlgorithm?: AlgorithmIdentifierSchema; + }> = {}): Schema.SchemaType { + const names = pvutils.getParametersValue<NonNullable<typeof parameters.names>>(parameters, "names", {}); + + return (new asn1js.Sequence({ + name: (names.blockName || EMPTY_STRING), + value: [ + new asn1js.Constructed({ + idBlock: { + tagClass: 3, // CONTEXT-SPECIFIC + tagNumber: 0 // [0] + }, + optional: true, + value: [AlgorithmIdentifier.schema(names.hashAlgorithm || {})] + }), + new asn1js.Constructed({ + idBlock: { + tagClass: 3, // CONTEXT-SPECIFIC + tagNumber: 1 // [1] + }, + optional: true, + value: [AlgorithmIdentifier.schema(names.maskGenAlgorithm || {})] + }), + new asn1js.Constructed({ + idBlock: { + tagClass: 3, // CONTEXT-SPECIFIC + tagNumber: 2 // [2] + }, + optional: true, + value: [AlgorithmIdentifier.schema(names.pSourceAlgorithm || {})] + }) + ] + })); + } + + public fromSchema(schema: Schema.SchemaType): void { + // Clear input data first + pvutils.clearProps(schema, CLEAR_PROPS); + + // Check the schema is valid + const asn1 = asn1js.compareSchema(schema, + schema, + RSAESOAEPParams.schema({ + names: { + hashAlgorithm: { + names: { + blockName: HASH_ALGORITHM + } + }, + maskGenAlgorithm: { + names: { + blockName: MASK_GEN_ALGORITHM + } + }, + pSourceAlgorithm: { + names: { + blockName: P_SOURCE_ALGORITHM + } + } + } + }) + ); + AsnError.assertSchema(asn1, this.className); + + // Get internal properties from parsed schema + if (HASH_ALGORITHM in asn1.result) + this.hashAlgorithm = new AlgorithmIdentifier({ schema: asn1.result.hashAlgorithm }); + + if (MASK_GEN_ALGORITHM in asn1.result) + this.maskGenAlgorithm = new AlgorithmIdentifier({ schema: asn1.result.maskGenAlgorithm }); + + if (P_SOURCE_ALGORITHM in asn1.result) + this.pSourceAlgorithm = new AlgorithmIdentifier({ schema: asn1.result.pSourceAlgorithm }); + } + + public toSchema(): asn1js.Sequence { + //#region Create array for output sequence + const outputArray = []; + + if (!this.hashAlgorithm.isEqual(RSAESOAEPParams.defaultValues(HASH_ALGORITHM))) { + outputArray.push(new asn1js.Constructed({ + idBlock: { + tagClass: 3, // CONTEXT-SPECIFIC + tagNumber: 0 // [0] + }, + value: [this.hashAlgorithm.toSchema()] + })); + } + + if (!this.maskGenAlgorithm.isEqual(RSAESOAEPParams.defaultValues(MASK_GEN_ALGORITHM))) { + outputArray.push(new asn1js.Constructed({ + idBlock: { + tagClass: 3, // CONTEXT-SPECIFIC + tagNumber: 1 // [1] + }, + value: [this.maskGenAlgorithm.toSchema()] + })); + } + + if (!this.pSourceAlgorithm.isEqual(RSAESOAEPParams.defaultValues(P_SOURCE_ALGORITHM))) { + outputArray.push(new asn1js.Constructed({ + idBlock: { + tagClass: 3, // CONTEXT-SPECIFIC + tagNumber: 2 // [2] + }, + value: [this.pSourceAlgorithm.toSchema()] + })); + } + //#endregion + + //#region Construct and return new ASN.1 schema for this object + return (new asn1js.Sequence({ + value: outputArray + })); + //#endregion + } + + public toJSON(): RSAESOAEPParamsJson { + const res: RSAESOAEPParamsJson = {}; + + if (!this.hashAlgorithm.isEqual(RSAESOAEPParams.defaultValues(HASH_ALGORITHM))) { + res.hashAlgorithm = this.hashAlgorithm.toJSON(); + } + + if (!this.maskGenAlgorithm.isEqual(RSAESOAEPParams.defaultValues(MASK_GEN_ALGORITHM))) { + res.maskGenAlgorithm = this.maskGenAlgorithm.toJSON(); + } + + if (!this.pSourceAlgorithm.isEqual(RSAESOAEPParams.defaultValues(P_SOURCE_ALGORITHM))) { + res.pSourceAlgorithm = this.pSourceAlgorithm.toJSON(); + } + + return res; + } + +} |