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Stefan Eissing fa0ccd9f1f
lib: TLS session ticket caching reworked 
Described in detail in internal doc TLS-SESSIONS.md

Main points:
- use a new `ssl_peer_key` for cache lookups by connection filters
- recognize differences between TLSv1.3 and other tickets
  * TLSv1.3 tickets are single-use, cache can hold several of them for a peer
  * TLSv1.2 are reused, keep only a single one per peer
- differentiate between ticket BLOB to store (that could be persisted) and object instances
- use put/take/return pattern for cache access
- remember TLS version, ALPN protocol, time received and lifetime of ticket
- auto-expire tickets after their lifetime

Closes #15774
2024-12-20 14:59:23 +01:00
..
BUFQ.md bufq: unwrite fix 2024-10-03 13:27:36 +02:00
BUFREF.md docs/internals: new subdirectory 2024-08-16 08:59:25 +02:00
CHECKSRC.md docs/internals: new subdirectory 2024-08-16 08:59:25 +02:00
CLIENT-READERS.md docs/internals: new subdirectory 2024-08-16 08:59:25 +02:00
CLIENT-WRITERS.md docs/internals: new subdirectory 2024-08-16 08:59:25 +02:00
CODE_STYLE.md docs/internals: new subdirectory 2024-08-16 08:59:25 +02:00
CONNECTION-FILTERS.md docs/internals: new subdirectory 2024-08-16 08:59:25 +02:00
DYNBUF.md lib: TLS session ticket caching reworked 2024-12-20 14:59:23 +01:00
HASH.md docs/internals: new subdirectory 2024-08-16 08:59:25 +02:00
HYPER.md GHA: silence proselint warnings and an error 2024-10-15 16:44:17 +02:00
LLIST.md lib: TLS session ticket caching reworked 2024-12-20 14:59:23 +01:00
MQTT.md tidy-up: whitespace, fix CI spacecheck for docs 2024-10-30 23:15:28 +01:00
NEW-PROTOCOL.md GHA: silence proselint warnings and an error 2024-10-15 16:44:17 +02:00
README.md docs/internals: new subdirectory 2024-08-16 08:59:25 +02:00
SPLAY.md internals/SPLAY.md: internal API documentation 2024-08-16 17:13:37 +02:00
STRPARSE.md strparse: string parsing helper functions 2024-12-12 16:00:52 +01:00
TLS-SESSIONS.md lib: TLS session ticket caching reworked 2024-12-20 14:59:23 +01:00
WEBSOCKET.md docs/internals: new subdirectory 2024-08-16 08:59:25 +02:00

README.md

Internals

This directory contains documentation covering libcurl internals; APIs and concepts that are useful for contributors and maintainers.

Public APIs are documented in the public documentation, not here.