ARC4 Removed From OpenSSL
The PKCS #11 Functions: C_GetMechanismList() section requires updates to reflect that the ARC4 algorithm has been removed from OpenSSH.
As a result, remove the following items from the list of supported mechanisms:
CKM_PBE_SHA1_RC4_128
CKM_RC4
CKM_RC4_KEY_GEN