Tim Bouma on Nostr: For cybersecurity professionals, here's a quick quiz on ECC (Elliptic Curve ...

For cybersecurity professionals, here's a quick quiz on ECC (Elliptic Curve Cryptography):

1. Who was a co-inventor of ECC:
A. Neal Koblitz
B. Ron Rivest
C. Adi Shamir
D. Shafi Goldwasser
E. Tahir ElGamal

2. Which curve did Satoshi Nakamoto select for Bitcoin:
A. secp128r1
B. secp160r1
C. secp256k1
D. secp256r1
E. secp521r1

3. Which curve is used for P256 - as used in TLS:
A. secp128r1
B. secp160r1
C. secp256k1
D. secp256r1
E. secp521r1

4. Which curve gives has 256-bit equivalent security:
A. secp128r1
B. secp160r1
C. secp256k1
D. secp256r1
E. secp521r1

5. Which is true about a private key in ECC:
A. It is a random scalar value
B. It is a non-changing scalar value
C. It is a point on the curve

6. Which is true about a public key in ECC:
A. It is a random scalar value
B. It is a non-changing scalar value
C. It is a point on the curve

7. Which signing method is used in Bitcoin and Ethereum:
A. ECDSA
B. EdDSA
C. RSA
D. ElGamal

If you answered A, C, D, E, A, C and A, well done.

Credit: Prof. Bill Buchanan asecuritysite.com