Copyright year updates


Reviewed-by: Neil Horman <nhorman@openssl.org>
Release: yes

docs: document that *_free(NULL) does nothing

Explicitly documents that *_free(NULL) does nothing.
Fixes two cases where that wasn't true.
Fixes #24675.

Reviewed-by: Richard

docs: document that *_free(NULL) does nothing

Explicitly documents that *_free(NULL) does nothing.
Fixes two cases where that wasn't true.
Fixes #24675.

Reviewed-by: Richard Levitte <levitte@openssl.org>
Reviewed-by: Tim Hudson <tjh@openssl.org>
Reviewed-by: Sasa Nedvedicky <sashan@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/24735)

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Removed extra spaces in documentation

Reviewed-by: Richard Levitte <levitte@openssl.org>
Reviewed-by: Hugo Landau <hlandau@openssl.org>
(Merged from https://github.com/openssl/openss

Removed extra spaces in documentation

Reviewed-by: Richard Levitte <levitte@openssl.org>
Reviewed-by: Hugo Landau <hlandau@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/22968)

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Add additional internal HPKE hardening checks resulting from code audit.

Reviewed-by: Paul Dale <pauli@openssl.org>
Reviewed-by: Tomas Mraz <tomas@openssl.org>
(Merged from https://g

Add additional internal HPKE hardening checks resulting from code audit.

Reviewed-by: Paul Dale <pauli@openssl.org>
Reviewed-by: Tomas Mraz <tomas@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/22493)

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Copyright year updates


Reviewed-by: Richard Levitte <levitte@openssl.org>
Release: yes

Fix typos found by codespell

Reviewed-by: Hugo Landau <hlandau@openssl.org>
Reviewed-by: Tomas Mraz <tomas@openssl.org>
Reviewed-by: Paul Dale <pauli@openssl.org>
(Merged from ht

Fix typos found by codespell

Reviewed-by: Hugo Landau <hlandau@openssl.org>
Reviewed-by: Tomas Mraz <tomas@openssl.org>
Reviewed-by: Paul Dale <pauli@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/21467)

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Fix a HPKE API to put libctx, propq as last (optional parameters).

This keeps the interface consistent with other HPKE API's.

Reviewed-by: Tomas Mraz <tomas@openssl.org>
Reviewe

Fix a HPKE API to put libctx, propq as last (optional parameters).

This keeps the interface consistent with other HPKE API's.

Reviewed-by: Tomas Mraz <tomas@openssl.org>
Reviewed-by: Matt Caswell <matt@openssl.org>
Reviewed-by: Paul Dale <pauli@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/20583)

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Fixed typos in documentation and comments

Fixed typo: accomodate -> accommodate
Fixed typo: analagous -> analogous
Fixed typo: auxilliary -> auxiliary
Fixed typo: eigth -> eighth

Fixed typos in documentation and comments

Fixed typo: accomodate -> accommodate
Fixed typo: analagous -> analogous
Fixed typo: auxilliary -> auxiliary
Fixed typo: eigth -> eighth
Fixed typo: explotation -> exploitation
Fixed typo: originaly -> originally
Fixed typo: simplier -> simpler
Fixed typo: sucessful -> successful
Fixed typo: recievers -> receivers

Reviewed-by: Richard Levitte <levitte@openssl.org>
Reviewed-by: Tomas Mraz <tomas@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/19977)

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prevent HPKE sender setting seq unwisely

Reviewed-by: Shane Lontis <shane.lontis@oracle.com>
Reviewed-by: Tomas Mraz <tomas@openssl.org>
(Merged from https://github.com/openssl/opens

prevent HPKE sender setting seq unwisely

Reviewed-by: Shane Lontis <shane.lontis@oracle.com>
Reviewed-by: Tomas Mraz <tomas@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/19840)

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Implements Hybrid Public Key Encryption (HPKE) as per RFC9180.

This supports all the modes, suites and export mechanisms defined
in RFC9180 and should be relatively easily extensible if/

Implements Hybrid Public Key Encryption (HPKE) as per RFC9180.

This supports all the modes, suites and export mechanisms defined
in RFC9180 and should be relatively easily extensible if/as new
suites are added. The APIs are based on the pseudo-code from the
RFC, e.g. OSS_HPKE_encap() roughly maps to SetupBaseS(). External
APIs are defined in include/openssl/hpke.h and documented in
doc/man3/OSSL_HPKE_CTX_new.pod. Tests (test/hpke_test.c) include
verifying a number of the test vectors from the RFC as well as
round-tripping for all the modes and suites. We have demonstrated
interoperability with other HPKE implementations via a fork [1]
that implements TLS Encrypted ClientHello (ECH) which uses HPKE.

@slontis provided huge help in getting this done and this makes
extensive use of the KEM handling code from his PR#19068.

[1] https://github.com/sftcd/openssl/tree/ECH-draft-13c

Reviewed-by: Tomas Mraz <tomas@openssl.org>
Reviewed-by: Shane Lontis <shane.lontis@oracle.com>
Reviewed-by: Matt Caswell <matt@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/17172)

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