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20 lines
747 B
Plaintext
20 lines
747 B
Plaintext
import { COSEALG } from '../../cose.js';
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/**
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* Convert a COSE alg ID into a corresponding key algorithm string value that WebCrypto APIs expect
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*/
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export function mapCoseAlgToWebCryptoKeyAlgName(alg) {
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if ([COSEALG.EdDSA].indexOf(alg) >= 0) {
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return 'Ed25519';
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}
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else if ([COSEALG.ES256, COSEALG.ES384, COSEALG.ES512, COSEALG.ES256K].indexOf(alg) >= 0) {
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return 'ECDSA';
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}
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else if ([COSEALG.RS256, COSEALG.RS384, COSEALG.RS512, COSEALG.RS1].indexOf(alg) >= 0) {
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return 'RSASSA-PKCS1-v1_5';
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}
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else if ([COSEALG.PS256, COSEALG.PS384, COSEALG.PS512].indexOf(alg) >= 0) {
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return 'RSA-PSS';
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}
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throw new Error(`Could not map COSE alg value of ${alg} to a WebCrypto key alg name`);
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}
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