B.1 MSC security measurement function

12.033GPPSecurity ManagementTS

B.1.1 Encrypted connection used

A. This measurement counts the number of times that encryption has been used on the air interface.

NOTE: This may be multiple times per connection.

B. CC

C. Receipt of "MAP_SET_CIPHERING_MODE" service indication from VLR with parameter "Ciphering mode" set to any other value than "no encryption" (09.02)

D. encryptedConnectionUsed

E. A single integer value

F. MSC Security Measurement Function

B.1.2 Unencrypted connection used

A. This measurement counts the number of times that no encryption has been used on the air interface

NOTE: This may be multiple times per connection.

B. CC

C. Receipt of "MAP_SET_CIPHERING_MODE" service indication from VLR with parameter "Ciphering mode" set to "no encryption" (09.02)

D. unencryptedConnectionUsed

E. A single integer value

F. MSC Security Measurement Function

B.1.3 Connection to be Cleared Due to Incompatible Encryption

A. This measurement provides the number of connections released due to incompatible encryption algorithms

B. CC

C. Receipt of ‘Cipher Mode Reject’ message with cause ‘ciphering algorithm not supported’ from the BSS when encryption is required

D. callClearedIncompatibleEncryption

E. A single integer value

F. MSC Security Measurement Function