TLS: remove support for Secure Transport and BearSSL

These libraries do not support TLS 1.3 and have been marked for removal
for over a year. We want to help users select a TLS dependency that is
future-proof and reliable, and not supporting TLS 1.3 in 2025 does not
infer confidence. Users who build libcurl are likely to be served better
and get something more future-proof with a TLS library that supports
1.3.

Closes #16677
This commit is contained in:
Daniel Stenberg 2025-06-09 14:07:21 +02:00
parent b761eb5add
commit 08a3e8e19a
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89 changed files with 163 additions and 5036 deletions

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@ -21,6 +21,6 @@ Example:
Set type of the provided client certificate. PEM, DER, ENG, PROV and P12 are
recognized types.
The default type depends on the TLS backend and is usually PEM, however for
Secure Transport and Schannel it is P12. If --cert is a pkcs11: URI then ENG
or PROV is the default type (depending on OpenSSL version).
The default type depends on the TLS backend and is usually PEM. For Schannel
it is P12. If --cert is a pkcs11: URI then ENG or PROV is the default type
(depending on OpenSSL version).