Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Evaluation of security requirement.
| Cryptosystem | Algorithm Family | Security Level | |||
|---|---|---|---|---|---|
| 80 | 128 | 192 | 256 | ||
| Elliptic Curve Digital Signature Algorithm (ECDSA), Elliptic-curve Diffie–Hellman (ECDH) | Elliptical Curve | 160 bit | 256 bit | 384 bit | 512 bit |
| Digital Signature Algorithm (DSA), Elgamal, Diffie–Hellman (DH) | Discrete logarithm | 1024 bit | 3072 bit | 7680 bit | 15,360 bit |
| Rivest-Shamir-Adleman (RSA) | Integer factorization | 1024 bit | 3072 bit | 7680 bit | 15,360 bit |
