28578 2015-04-28 17:01:22 +0000 No "raw" export/import for ECDSA 2015-04-28 17:04:58 +0000 1 1 1 Unclassified Web Cryptography Web Cryptography API Document unspecified All All RESOLVED DUPLICATE 27447 P2 normal --- 1 martin.thomson sleevi public-webcrypto oldest_to_newest 119976 0 martin.thomson 2015-04-28 17:01:22 +0000 This is trivial to shim, but inexplicably absent from the spec. const SPKI_PREFIX = { "P-256": new Uint8Array([ 48, 86, 48, 16, 6, 4, 43, 129, 4, 112, 6, 8, 42, 134, 72, 206, 61, 3, 1, 7, 3, 66, 0]) // add more }; function importRawPublicKey(pub, alg, usages) { var prefix = SPKI_PREFIX[alg.namedCurve]; var spki = new Uint8Array(prefix.byteLength + pub.byteLength); spki.set(prefix, 0); spki.set(pub, prefix.byteLength); return crypto.subtle.importKey('spki', spki, alg, true, usages); }; function exportRawPublicKey(key, alg) { return crypto.subtle.exportKey('spki', key) .then(spki => new Uint8Array(spki, SPKI_PREFIX[alg.namedCurve])); }; 119977 1 martin.thomson 2015-04-28 17:04:58 +0000 I missed this first time around. *** This bug has been marked as a duplicate of bug 27447 ***