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Security impact analysis (AMA_SIA)

16 - Class AMA: Maintenance of

 

assurance

AMA_SIA.2.3C

AMA_SIA.2.4C

AMA_SIA.2.5C

AMA_SIA.2.6C

AMA_SIA.2.7C

AMA_SIA.2.1E

AMA_SIA.2.2E

The security impact analysis shall, for each change affecting the security target or TSF representations, briefly describe the change and any effects it has on lower representation levels.

The security impact analysis shall, for each change affecting the security target or TSF representations, identify all IT security functions and all TOE components categorised as TSP-enforcing that are affected by the change.

The security impact analysis shall, for each change which results in a modification of the implementation representation of the TSF or the IT environment, identify the test evidence that shows, to the required level of assurance, that the TSF continues to be correctly implemented following the change.

The security impact analysis shall, for each applicable assurance requirement in the configuration management (ACM), life cycle support (ALC), delivery and operation (ADO) and guidance documents (AGD) assurance classes, identify any evaluation deliverables that have changed, and provide a brief description of each change and its impact on assurance.

The security impact analysis shall, for each applicable assurance requirement in the vulnerability assessment (AVA) assurance class, identify which evaluation deliverables have changed and which have not, and give reasons for the decision taken as to whether or not to update the deliverable.

Evaluator action elements:

The evaluator shall confirm that the information provided meets all requirements for content and presentation of evidence.

The evaluator shall check that the security impact analysis documents all changes to an appropriate level of detail, together with appropriate justifications that assurance has been maintained in the current version of the TOE.

August 1999

Version 2.1

Page 203 of 208

Part 3: Security assurance requirements

Annex A (informative)

Cross reference of assurance component dependencies

588

 

The dependencies documented in the components of clauses 8-14 and clause 16, are

 

 

the direct dependencies between the assurance components. Table A.1 summarises

 

 

both the direct dependencies and the indirect dependencies. The indirect

 

 

dependencies are the cumulative result of iteratively including all the dependencies

 

 

of each component identified as being a dependency.

 

 

 

 

 

 

 

Table A.1 - Assurance component dependenciesa

 

Comp.

 

A

C

S

D

I

F

H

I

I

L

R

S

A

U

D

F

L

T

C

D

F

I

C

M

S

V

 

 

U

A

C

E

G

S

L

M

N

L

C

P

D

S

V

L

C

A

O

P

U

N

C

S

O

L

 

Names

 

 

 

T

P

P

L

S

P

D

P

T

D

R

M

M

R

S

R

D

T

V

T

N

D

A

U

F

A

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

AUT.1-2

 

 

3

1

 

 

 

 

 

 

 

 

 

 

 

1

 

 

 

 

 

 

 

 

 

 

 

 

CAP.1-2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CAP.3-4

 

 

 

1

 

 

 

 

 

 

 

 

 

 

 

1

 

 

 

 

 

 

 

 

 

 

 

 

CAP.5

 

 

 

1

 

 

 

 

 

 

 

 

 

 

 

2

 

 

 

 

 

 

 

 

 

 

 

 

SCP.1-3

 

 

3

 

 

 

 

 

 

 

 

 

 

 

 

1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

DEL.1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

DEL.2-3

 

 

3

1

 

 

 

 

 

 

 

 

 

 

 

1

 

 

 

 

 

 

 

 

 

 

 

 

IGS.1-2

 

 

 

 

 

 

1

 

 

 

 

1

 

1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

FSP.1-4

 

 

 

 

 

 

 

 

 

 

 

1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

HLD.1-2

 

 

 

 

 

 

1

 

 

 

 

1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

HLD.3-4

 

 

 

 

 

 

3

 

 

 

 

2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

HLD.5

 

 

 

 

 

 

4

 

 

 

 

3

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

IMP.1-2

 

 

 

 

 

 

1

2

 

 

1

1

 

 

 

 

 

 

1

 

 

 

 

 

 

 

 

 

IMP.3

 

 

 

 

 

 

1

2

 

1

1

1

 

 

 

 

 

 

1

 

 

 

 

 

 

 

 

 

INT.1-2

 

 

 

 

 

 

1

2

1

 

1

1

 

 

 

 

 

 

1

 

 

 

 

 

 

 

 

 

INT.3

 

 

 

 

 

 

1

2

2

 

1

1

 

 

 

 

 

 

1

 

 

 

 

 

 

 

 

 

LLD.1

 

 

 

 

 

 

1

2

 

 

 

1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

LLD.2

 

 

 

 

 

 

3

3

 

 

 

2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

LLD.3

 

 

 

 

 

 

4

5

 

 

 

3

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RCR.1-3

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SPM.1-3

 

 

 

 

 

 

1

 

 

 

 

1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ADM.1

 

 

 

 

 

 

1

 

 

 

 

1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

USR.1

 

 

 

 

 

 

1

 

 

 

 

1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

August 1999

Version 2.1

Page 204 of 208

A - Cross reference of assurance component dependencies

Table A.1 - Assurance component dependenciesa

Comp.

A

C

S

D

I

F

H

I

I

L

R

S

A

U

D

F

L

T

C

D

F

I

C

M

S

V

U

A

C

E

G

S

L

M

N

L

C

P

D

S

V

L

C

A

O

P

U

N

C

S

O

L

Names

T

P

P

L

S

P

D

P

T

D

R

M

M

R

S

R

D

T

V

T

N

D

A

U

F

A

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

DVS.1-2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

FLR.1-3

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

LCD.1-3

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

TAT.1-3

 

 

 

 

 

1

2

1

 

1

1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

COV.1-3

 

 

 

 

 

1

 

 

 

 

1

 

 

 

 

 

 

 

 

 

1

 

 

 

 

 

DPT.1

 

 

 

 

 

1

1

 

 

 

1

 

 

 

 

 

 

 

 

 

1

 

 

 

 

 

DPT.2

 

 

 

 

 

1

2

 

 

1

1

 

 

 

 

 

 

 

 

 

1

 

 

 

 

 

DPT.3

 

 

 

 

 

1

2

2

 

1

1

 

 

 

 

 

 

1

 

 

1

 

 

 

 

 

FUN.1-2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

IND.1

 

 

 

 

 

1

 

 

 

 

1

 

1

1

 

 

 

 

 

 

 

 

 

 

 

 

IND.2-3

 

 

 

 

 

1

 

 

 

 

1

 

1

1

 

 

 

 

 

 

1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CCA.1-3

 

 

 

 

 

2

2

2

 

1

1

 

1

1

 

 

 

1

 

 

 

 

 

 

 

 

MSU.1-3

 

 

 

 

1

1

 

 

 

 

1

 

1

1

 

 

 

 

 

 

 

 

 

 

 

 

SOF.1

 

 

 

 

 

1

1

 

 

 

1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

VLA.1

 

 

 

 

 

1

1

 

 

 

1

 

1

1

 

 

 

 

 

 

 

 

 

 

 

 

VLA.2-4

 

 

 

 

 

1

2

1

 

1

1

 

1

1

 

 

 

1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

AMP.1

 

2

 

 

 

 

 

 

 

 

 

 

 

 

 

1

 

 

 

 

 

 

 

 

 

 

CAT.1

 

2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

EVD.1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SIA.1-2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

a.In Table A.1, the left column represents groupings of specific components (using only the last three digits of the component name and an indicator of component number or range of numbers). Each non-empty box in the table indicates a specific component, identified by its name at the top of the column and the number in the box, on which the component in the left column is dependent. Bold numbers represent direct dependencies. Italicised numbers represent indirect dependencies. Dark shading represents the intersection of a component with itself. Dependencies from AMA components to assurance components are included in Table A.1, while AMA internal dependencies are shown in Table A.2 below. There are no dependencies from any non-AMA components to those in AMA, and so Table A.1 has no columns representing the AMA families.

August 1999

Version 2.1

Page 205 of 208

A - Cross reference of assurance component dependencies

Table A.2 - AMA Internal Dependencies

AMA

A

C

E

S

Comp.

M

A

V

I

Names

P

T

D

A

 

 

 

 

 

AMP.1

 

1

 

 

CAT.1

 

 

 

 

EVD.1

1

1

 

1

SIA.1-2

 

1

 

 

 

 

 

 

 

Page 206 of 208

Version 2.1

August 1999

Part 3: Security assurance requirements

Annex B (informative)

Cross reference of EALs and assurance components

589

Table B.1 describes the relationship between the evaluation assurance levels and

 

the assurance classes, families and components.

 

 

 

 

 

 

 

Table B.1 - Evaluation assurance level summary

 

 

 

 

 

 

 

 

 

 

 

 

 

Assurance

Assurance

 

Assurance Components by

 

 

 

 

 

Evaluation Assurance Level

 

 

 

 

Class

Family

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

EAL1

EAL2

EAL3

EAL4

EAL5

EAL6

EAL7

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Configuration

ACM_AUT

 

 

 

1

1

 

2

2

 

 

ACM_CAP

1

2

3

4

4

 

5

5

 

 

management

 

 

 

ACM_SCP

 

 

1

2

3

 

3

3

 

 

 

 

 

 

 

 

Delivery and

ADO_DEL

 

1

1

2

2

 

2

3

 

 

operation

ADO_IGS

1

1

1

1

1

 

1

1

 

 

 

ADV_FSP

1

1

1

2

3

 

3

4

 

 

 

ADV_HLD

 

1

2

2

3

 

4

5

 

 

 

ADV_IMP

 

 

 

1

2

 

3

3

 

 

Development

ADV_INT

 

 

 

 

1

 

2

3

 

 

 

ADV_LLD

 

 

 

1

1

 

2

2

 

 

 

ADV_RCR

1

1

1

1

2

 

2

3

 

 

 

ADV_SPM

 

 

 

1

3

 

3

3

 

 

Guidance

AGD_ADM

1

1

1

1

1

 

1

1

 

 

documents

AGD_USR

1

1

1

1

1

 

1

1

 

 

 

ALC_DVS

 

 

1

1

1

 

2

2

 

 

Life cycle

ALC_FLR

 

 

 

 

 

 

 

 

 

 

support

ALC_LCD

 

 

 

1

2

 

2

3

 

 

 

ALC_TAT

 

 

 

1

2

 

3

3

 

 

 

ATE_COV

 

1

2

2

2

 

3

3

 

 

Tests

ATE_DPT

 

 

1

1

2

 

2

3

 

 

ATE_FUN

 

1

1

1

1

 

2

2

 

 

 

 

 

 

 

 

ATE_IND

1

2

2

2

2

 

2

3

 

 

 

AVA_CCA

 

 

 

 

1

 

2

2

 

 

Vulnerability

AVA_MSU

 

 

1

2

2

 

3

3

 

 

assessment

AVA_SOF

 

1

1

1

1

 

1

1

 

 

 

AVA_VLA

 

1

1

2

3

 

4

4

 

 

 

 

 

 

 

 

 

 

 

 

 

August 1999

Version 2.1

Page 207 of 208

Annex B - EALs and components

Part 3: Security assurance requirements

Page 208 of 208

Version 2.1

August 1999

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