SIG (0) Algorithm Numbers
Registration Procedure(s)
- Standards Action
Reference
- RFC 3755: Legacy Resolver Compatibility for Delegation Signer (DS)
Note
DNS KEY and SIG RRs RFC 2535 use an 8-bit number used to identify the security algorithm being used listed below.
Available Formats
| Number | Description | References | Note |
|---|---|---|---|
| 0 | Reserved | ||
| 1 | RSA/MD5 | RFC 2537; RFC 1321 | deprecated, see 5 |
| 2 | Diffie-Hellman | RFC 2539 | |
| 3 | DSA/SHA1 | RFC 2536; Federal Information Processing Standards Publication (FIPS PUB) 186, Digital Signature Standard, 18 May 1994.; Federal Information Processing Standards Publication (FIPS PUB) 180-1, Secure Hash Standard, 17 April 1995. (Supersedes FIPS PUB 180 dated 11 May 1993.) | |
| 4 | Reserved for Elliptic Curve Crypto | ||
| 5 | RSA/SHA-1 | RFC 3110 | |
| 6-251 | Unassigned | ||
| 252 | Reserved for indirect keys | RFC 2535 | |
| 253 | Private algorithms - domain name | RFC 2535 | |
| 254 | Private algorithms - OID | RFC 2535 | |
| 255 | Reserved |