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Update ssl-termination.md

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Matthew Nesbit 2017-11-15 13:56:18 +00:00 committed by GitHub
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docs/source/design/float/decisions/ssl-termination.md
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@ -25,16 +25,16 @@ Design of the [float](../design.md) is critically influenced by the decision of
#### Disadvantages
1. May limit cryptography options to RSA, and prevent checking of X500 names (only the root certificate checked) - Corda certificates are not totally standard;
1. May limit cryptography options to RSA, and prevent checking of X500 names (only the root certificate checked) - Corda certificates are not totally standard.
2. Doesn’t allow identification of the message source.
3. May require additional work and SASL support code to validate theultimate origin of connections in the float.
3. May require additional work and SASL support code to validate the ultimate origin of connections in the float.
#### Variant option 1a: Include SASL connection checking
##### Advantages
1. Maintain authentication support
2. Can authenticate against keys held internallye.g. Legal Identity not just TLS
2. Can authenticate against keys held internally e.g. Legal Identity not just TLS.
##### Disadvantages
@ -53,7 +53,7 @@ Design of the [float](../design.md) is critically influenced by the decision of
#### Disadvantages
1. We don’t currently use the identity to check incoming packets,only for connection authentication anyway.
1. We don’t currently use the identity to check incoming packets, only for connection authentication anyway.
2. Management of Private Key a challenge requiring extra work and security implications. Options for this are presented below.
#### Variant Option 2a: Float TLS certificate via direct HSM
@ -85,16 +85,16 @@ Design of the [float](../design.md) is critically influenced by the decision of
1. Simple with minimal extra code required.
2. Delegates access control to bank’s own systems.
3. Risks losing only the TLS private key, which caneasily be revoked. This isn’t the legal identity key at all.
3. Risks losing only the TLS private key, which can easily be revoked. This isn’t the legal identity key at all.
##### Disadvantages
1. Risks losing the TLS private key
1. Risks losing the TLS private key.
2. Probably not allowed.
## Recommendation and justification
Proceed with Variant option 1a: Terminate on firewall; include SASL connection checking
Proceed with Variant option 1a: Terminate on firewall; include SASL connection checking.