228   const algorithm = {  variable
236     algorithm,
252   const algorithm = {  variable
261       subtle.deriveBits(algorithm, baseKeys[size], undefined), {
265       subtle.deriveBits(algorithm, baseKeys[size], 0), {
270       subtle.deriveBits(algorithm, baseKeys[size], null), {
275       subtle.deriveBits(algorithm, baseKeys[size], 15), {
290   const algorithm = { name: 'HKDF', salt, info };  variable
296           ...algorithm,
305           ...algorithm,
321   const algorithm = {  variable
329     subtle.deriveBits(algorithm, noBits[size], 256), {
340   const algorithm = {  variable
347     subtle.deriveBits(algorithm, baseKeys[size], 0), {
358   const algorithm = {  variable
365     subtle.deriveBits(algorithm, baseKeys[size], 0), {
375   const algorithm = {  variable
383     subtle.deriveBits(algorithm, wrongKey, 256), {
396   const algorithm = {  variable
404     algorithm,
427   const algorithm = { name: 'HKDF', salt, info };  variable
433           ...algorithm,
447           ...algorithm,
469   const algorithm = {  variable
477     subtle.deriveKey(algorithm, noKey[size], keyType, true, usages), {
490   const algorithm = {  variable
498     subtle.deriveKey(algorithm, wrongKey, keyType, true, usages), {