| Commit message (Collapse) | Author | Age | Files | Lines |
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Various interoperability issues and memory leaks were discovered in
libcrypto and libssl.
The new verifier is not bug compatible with the old verifier and caused
many issues by failing to propagate errors correctly, returning different
error codes than some software was trained to expect and otherwise failing
when it shouldn't. While much of this is fixed in -current, it's still not
perfect, so switching back to the legacy verifier is preferable at this
point.
Other included fixes:
* Unbreak DTLS retransmissions for flights that include a CCS
* Only check BIO_should_read() on read and BIO_should_write() on write
* Implement autochain for the TLSv1.3 server
* Use the legacy verifier for AUTO_CHAIN
* Implement exporter for TLSv1.3
* Free alert_data and phh_data in tls13_record_layer_free()
* Plug leak in x509_verify_chain_dup()
* Free the policy tree in x509_vfy_check_policy()
Original commits by jsing and tb
ok inoguchi jsing
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rather than the hash of an empty context
ok jsing@
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Spotted by maestre@, ok tb@
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Reported by Ben L <bobsayshilol at live dot co dot uk>
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ok jsing@
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When the RFC refers to ("") for key derivation, it is referring to the
transcript hash of an empty string, not an empty string. Rename
tls13_secrets_new() to tls13_secrets_create(), make it take an EVP_MD *
and calculate the hash of an empty string so that we have it available
for the "derived" and other steps. Merge tls13_secrets_init() into
the same function, remove the EVP_MD * from other functions and use the
empty string hash at the appropriate places.
ok beck@ tb@
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discussed with beck and jsing
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ok jsing@ tb@
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