dsa_digest.js 612 B

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  1. import { JOSENotSupported } from '../util/errors.js';
  2. export default function dsaDigest(alg) {
  3. switch (alg) {
  4. case 'PS256':
  5. case 'RS256':
  6. case 'ES256':
  7. case 'ES256K':
  8. return 'sha256';
  9. case 'PS384':
  10. case 'RS384':
  11. case 'ES384':
  12. return 'sha384';
  13. case 'PS512':
  14. case 'RS512':
  15. case 'ES512':
  16. return 'sha512';
  17. case 'EdDSA':
  18. return undefined;
  19. default:
  20. throw new JOSENotSupported(`alg ${alg} is not supported either by JOSE or your javascript runtime`);
  21. }
  22. }