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37 lines
1.2 KiB
Markdown
37 lines
1.2 KiB
Markdown
TLS 1.3 Experimental Developments
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=================================
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Overview
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--------
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Mbed TLS doesn't support the TLS 1.3 protocol yet, but a prototype is in development.
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Stable parts of this prototype that can be independently tested are being successively
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upstreamed under the guard of the following macro:
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```
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MBEDTLS_SSL_PROTO_TLS1_3_EXPERIMENTAL
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```
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This macro will likely be renamed to `MBEDTLS_SSL_PROTO_TLS1_3` once a minimal viable
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implementation of the TLS 1.3 protocol is available.
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See the [documentation of `MBEDTLS_SSL_PROTO_TLS1_3_EXPERIMENTAL`](../../include/mbedtls/config.h)
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for more information.
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Status
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------
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The following lists which parts of the TLS 1.3 prototype have already been upstreamed
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together with their level of testing:
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* TLS 1.3 record protection mechanisms
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The record protection routines `mbedtls_ssl_{encrypt|decrypt}_buf()` have been extended
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to support the modified TLS 1.3 record protection mechanism, including modified computation
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of AAD, IV, and the introduction of a flexible padding.
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Those record protection routines have unit tests in `test_suite_ssl` alongside the
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tests for the other record protection routines.
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TODO: Add some test vectors from RFC 8448.
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