Algorithm ID for the SHA1 Message Digest Algorithm, from FIPS 180-1.
This is sometimes called "SHA", though that is often confusing since
many people refer to FIPS 180 (which has an error) as defining SHA.
OID = 1.3.14.3.2.26. Old SHA-0 OID: 1.3.14.3.2.18.
Algorithm ID for the SHA1 Message Digest Algorithm, from FIPS 180-1. This is sometimes called "SHA", though that is often confusing since many people refer to FIPS 180 (which has an error) as defining SHA. OID = 1.3.14.3.2.26. Old SHA-0 OID: 1.3.14.3.2.18.