Combined patch against master branch for the following issues:

Fixed a memory leak in ASN1_digest and ASN1_item_digest.
Reworked error handling in asn1_item_embed_new.
Fixed error ha

Combined patch against master branch for the following issues:

Fixed a memory leak in ASN1_digest and ASN1_item_digest.
Reworked error handling in asn1_item_embed_new.
Fixed error handling in int_ctx_new and EVP_PKEY_CTX_dup.
Fixed a memory leak in CRYPTO_free_ex_data.
Reworked error handing in x509_name_ex_d2i, x509_name_encode and x509_name_canon.
Check for null pointer in tls_process_cert_verify.

Fixes #2103 #2104 #2105 #2109 #2111 #2115

Reviewed-by: Rich Salz <rsalz@openssl.org>
Reviewed-by: Richard Levitte <levitte@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/2342)

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Add support for parameterized SipHash

The core SipHash supports either 8 or 16-byte output and a configurable
number of rounds.
The default behavior, as added to EVP, is to use 16-by

Add support for parameterized SipHash

The core SipHash supports either 8 or 16-byte output and a configurable
number of rounds.
The default behavior, as added to EVP, is to use 16-byte output and
2,4 rounds, which matches the behavior of most implementations.
There is an EVP_PKEY_CTRL that can control the output size.

Reviewed-by: Richard Levitte <levitte@openssl.org>
Reviewed-by: Rich Salz <rsalz@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/2216)

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Add support for Poly1305 in EVP_PKEY

Add Poly1305 as a "signed" digest.

Reviewed-by: Andy Polyakov <appro@openssl.org>
Reviewed-by: Richard Levitte <levitte@openssl.org>
(Me

Add support for Poly1305 in EVP_PKEY

Add Poly1305 as a "signed" digest.

Reviewed-by: Andy Polyakov <appro@openssl.org>
Reviewed-by: Richard Levitte <levitte@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/2128)

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fix a few more style issues

Reviewed-by: Rich Salz <rsalz@openssl.org>
Reviewed-by: Matt Caswell <matt@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/2177)

fix various style issues

Reviewed-by: Rich Salz <rsalz@openssl.org>
Reviewed-by: Matt Caswell <matt@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/2177)

Digest string helper function.

New function EVP_PKEY_CTX_md() which takes a string and passes a digest
to a ctrl.

Reviewed-by: Rich Salz <rsalz@openssl.org>
Reviewed-by: Mat

Digest string helper function.

New function EVP_PKEY_CTX_md() which takes a string and passes a digest
to a ctrl.

Reviewed-by: Rich Salz <rsalz@openssl.org>
Reviewed-by: Matt Caswell <matt@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/2177)

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PSS EVP_PKEY method

Reviewed-by: Rich Salz <rsalz@openssl.org>
Reviewed-by: Matt Caswell <matt@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/2177)

Add X25519 methods to internal tables

Reviewed-by: Rich Salz <rsalz@openssl.org>

Copyright consolidation 04/10

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

Make string_to_hex/hex_to_string public

Give the API new names, document it.

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

Remove #error from include files.

Don't have #error statements in header files, but instead wrap
the contents of that file in #ifndef OPENSSL_NO_xxx
This means it is now always safe

Remove #error from include files.

Don't have #error statements in header files, but instead wrap
the contents of that file in #ifndef OPENSSL_NO_xxx
This means it is now always safe to include the header file.

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

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Fix no-cmac

There were a couple of CMAC references without OPENSSL_NO_CMAC guards.

Reviewed-by: Rich Salz <rsalz@openssl.org>

Convert CRYPTO_LOCK_EVP_PKEY to new multi-threading API

Reviewed-by: Matt Caswell <matt@openssl.org>
Reviewed-by: Rich Salz <rsalz@openssl.org>

GH355: Implement HKDF

This patch implements the HMAC-based Extract-and-Expand Key Derivation
Function (HKDF) as defined in RFC 5869.

It is required to implement the QUIC and TLS

GH355: Implement HKDF

This patch implements the HMAC-based Extract-and-Expand Key Derivation
Function (HKDF) as defined in RFC 5869.

It is required to implement the QUIC and TLS 1.3 protocols (among others).

Signed-off-by: Rich Salz <rsalz@openssl.org>
Reviewed-by: Dr. Stephen Henson <steve@openssl.org>

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EVP_PKEY_CTX utility functions.

Utility functions to pass a string or hex string to EVP_PKEY_CTX_ctrl().

Reviewed-by: Rich Salz <rsalz@openssl.org>

GH715: ENGINE_finish can take NULL

Simplifies calling code. Also fixed up any !ptr tests that were
nearby, turning them into NULL tests.

Reviewed-by: Richard Levitte <levitte@o

GH715: ENGINE_finish can take NULL

Simplifies calling code. Also fixed up any !ptr tests that were
nearby, turning them into NULL tests.

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

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GH601: Various spelling fixes.

Signed-off-by: Rich Salz <rsalz@openssl.org>
Reviewed-by: Matt Caswell <matt@openssl.org>

Remove /* foo.c */ comments

This was done by the following
find . -name '*.[ch]' | /tmp/pl
where /tmp/pl is the following three-line script:
print unless $. == 1

Remove /* foo.c */ comments

This was done by the following
find . -name '*.[ch]' | /tmp/pl
where /tmp/pl is the following three-line script:
print unless $. == 1 && m@/\* .*\.[ch] \*/@;
close ARGV if eof; # Close file to reset $.

And then some hand-editing of other files.

Reviewed-by: Viktor Dukhovni <viktor@openssl.org>

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Add TLS PRF method.

Add EVP_PKEY algorithm for TLS1 PRF.

Reviewed-by: Matt Caswell <matt@openssl.org>

Only declare stacks in headers

Don't define stacks in C source files: it causes warnings
about unused functions in some compilers.

Reviewed-by: Richard Levitte <levitte@openssl.

Only declare stacks in headers

Don't define stacks in C source files: it causes warnings
about unused functions in some compilers.

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

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Rename DECLARE*STACK_OF to DEFINE*STACK_OF

Applications wishing to include their own stacks now just need to include

DEFINE_STACK_OF(foo)

in a header file.

Reviewe

Rename DECLARE*STACK_OF to DEFINE*STACK_OF

Applications wishing to include their own stacks now just need to include

DEFINE_STACK_OF(foo)

in a header file.

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

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Fix declarations and constification for inline stack.

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

Fix no-engine.

Reviewed-by: Kurt Roeckx <kurt@openssl.org>

Continue standardising malloc style for libcrypto

Continuing from previous commit ensure our style is consistent for malloc
return checks.

Reviewed-by: Kurt Roeckx <kurt@openssl

Continue standardising malloc style for libcrypto

Continuing from previous commit ensure our style is consistent for malloc
return checks.

Reviewed-by: Kurt Roeckx <kurt@openssl.org>

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remove unneeded includes

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