Timeline for SHA3 HMAC key padding
Current License: CC BY-SA 3.0
6 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Apr 25, 2017 at 19:21 | answer | added | hunter | timeline score: 3 | |
| Apr 25, 2017 at 18:49 | comment | added | hunter | @rmalayter yes, I've read this ... but I'm using HKDF, which dictates HMAC. | |
| Apr 25, 2017 at 16:58 | comment | added | rmalayter | @hunter HMAC isn't necessary with SHA-3; a secured keyed MAC called KMAC was standardized for SHA-3. KMAC is faster and simpler than HMAC, which was designed to protect older MD-style hashes from length extension attacks. See nvlpubs.nist.gov/nistpubs/SpecialPublications/… | |
| Apr 24, 2017 at 9:17 | comment | added | hunter | @dingrite nevertheless, if following the HMAC specification the padding must be performed | |
| Apr 23, 2017 at 19:03 | comment | added | user10653 | SHA3/keccak does not suffer from length extension attacks, padding is not necessary. | |
| Apr 23, 2017 at 16:08 | history | asked | hunter | CC BY-SA 3.0 |