All versions of PKCS#11 specification in one place
PKCS#11 specifications:
1995 - PKCS#11 v1.0
1997 - PKCS#11 v2.0
1997 - PKCS#11 v2.01
1999 - PKCS#11 v2.10
2001 - PKCS#11 v2.11
2004 - PKCS#11 v2.20
2009 - PKCS#11 v2.30
2015 - PKCS#11 v2.40
Related specifications: