Is HMAC symmetric or asymmetric?

Related questions

1. What is HMAC and CMAC?
2. What is the difference between hash and Mac?
3. How does HMAC algorithm work?
4. How is Mac different from Hmac?
5. Is sha1 still secure?
6. What is IPAD in Hmac?
7. What is HMAC sha1 algorithm?
8. What are two symmetric encryption algorithms?
9. What is the difference between hash and HMAC?
10. Is HMAC sha1 secure?

Tags

1. #encryption
2. #functions
3. #signing
4. #asymmetric
5. #ticket
6. #symmetric
7. #shared
8. #provides
9. #offers
10. #nonrepudiation
11. #secret
12. #secrecy
13. #cryptographic
14. #basis
15. #protocols
16. #derivation