a Secarta project ...

HTTPsec Authentication Protocol

[ View as one printable page ]

Preamble

1. Introduction

1.1. Editorial Conventions

1.2. Terms

1.3. Identifiers

2. Summary

2.1. Authentication Model

2.2. Peer Identifiers

2.3. Protocol Operation

2.3.1. Initialization

2.3.2. Continuation

3. Protocol Messages

3.1. Initialization Messages

3.1.1. Initialization Request

3.1.2. Initialization Response

3.2. Continuation Messages

3.2.1. Continuation Request

3.2.2. Continuation Response

3.3. Challenge Messages

3.3.1. Challenge Response

3.4. Message Flow

4. Protocol Directives

4.1. id

4.2. dh

4.3. certificate

4.4. url

4.5. group

4.6. nonce

4.7. auth

4.8. token

4.9. signature

4.10. count

4.11. mac

4.12. digest

5. Other Headers

5.1. Content-Encoding

5.2. Cache-Control

5.3. Expires

6. Protocol Computations

6.1. Algorithms

6.1.1. Hash Algorithm

6.1.2. Public Key Algorithm

6.1.3. Encryption Scheme

6.1.4. Signature Scheme

6.1.5. Block Cipher

6.1.6. Block Cipher Mode

6.2. Header Canonicalization

6.3. Initialization Transcript

6.4. Continuation Request Transcript

6.5. Continuation Response Transcript

6.6. Shared Secret

6.7. Keys

6.7.1. MAC Keys

6.7.2. Cipher Keys

6.8. Message Body Ciphering

7. Message Validation

7.1. Initialization Request Validation

7.2. Initialization Response Validation

7.3. Continuation Request Validation

7.4. Continuation Response Validation

8. Cache Considerations

9. Security Considerations

10. References

11. Editor Address

11. Editor Address

Stephan Fowler
secarta.com
Ferroners' House
Shaftesbury Place
London EC2Y 8AA
T +44 20 7796 2527
F +44 20 7796 3539

Email: stephan.fowler@secarta.com