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Split x509_verify_param_zero code to the right place
Reviewed-by: Rich Salz <rsalz@openssl.org>
Reviewed-by: Matt Caswell <matt@openssl.org>
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Having that code in one central object file turned out to cause
trouble when building test/modes_internal_test.
Reviewed-by: Rich Salz <rsalz@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/1883)
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BN_RECP_CTX_new direclty use bn_init to avoid twice memset calls
Reviewed-by: Kurt Roeckx <kurt@openssl.org>
Reviewed-by: Rich Salz <rsalz@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/1879)
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Thanks to Falko Strenzke for bringing this to our attention.
Reviewed-by: Andy Polyakov <appro@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/1882)
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Reviewed-by: Richard Levitte <levitte@openssl.org>
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and fix documentation.
Reviewed-by: Tim Hudson <tjh@openssl.org>
Reviewed-by: Rich Salz <rsalz@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/1634)
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RFC 3447, section 8.2.2, steps 3 and 4 states that verifiers must encode
the DigestInfo struct and then compare the result against the public key
operation result. This implies that one and only one encoding is legal.
OpenSSL instead parses with crypto/asn1, then checks that the encoding
round-trips, and allows some variations for the parameter. Sufficient
laxness in this area can allow signature forgeries, as described in
https://www.imperialviolet.org/2014/09/26/pkcs1.html
Although there aren't known attacks against OpenSSL's current scheme,
this change makes OpenSSL implement the algorithm as specified. This
avoids the uncertainty and, more importantly, helps grow a healthy
ecosystem. Laxness beyond the spec, particularly in implementations
which enjoy wide use, risks harm to the ecosystem for all. A signature
producer which only tests against OpenSSL may not notice bugs and
accidentally become widely deployed. Thus implementations have a
responsibility to honor the specification as tightly as is practical.
In some cases, the damage is permanent and the spec deviation and
security risk becomes a tax all implementors must forever pay, but not
here. Both BoringSSL and Go successfully implemented and deployed
RSASSA-PKCS1-v1_5 as specified since their respective beginnings, so
this change should be compatible enough to pin down in future OpenSSL
releases.
See also https://tools.ietf.org/html/draft-thomson-postel-was-wrong-00
As a bonus, by not having to deal with sign/verify differences, this
version is also somewhat clearer. It also more consistently enforces
digest lengths in the verify_recover codepath. The NID_md5_sha1 codepath
wasn't quite doing this right.
Reviewed-by: Kurt Roeckx <kurt@roeckx.be>
Reviewed-by: Rich Salz <rsalz@openssl.org>
GH: #1474
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Based on review feedback.
Reviewed-by: Rich Salz <rsalz@openssl.org>
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Reviewed-by: Rich Salz <rsalz@openssl.org>
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All of these don't compile cleanly any more, probably haven't for quite
some time
Reviewed-by: Emilia Käsper <emilia@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/1789)
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Reviewed-by: Emilia Käsper <emilia@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/1789)
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Reviewed-by: Emilia Käsper <emilia@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/1789)
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Reviewed-by: Emilia Käsper <emilia@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/1789)
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Reviewed-by: Emilia Käsper <emilia@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/1789)
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Reviewed-by: Emilia Käsper <emilia@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/1789)
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Rather than leaking a reference, just call GetModuleHandleEx and pin the
module on Windows.
Reviewed-by: Tim Hudson <tjh@openssl.org>
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Instead of deliberately leaking a reference to ourselves, use nodelete
which does this more neatly. Only for Linux at the moment.
Reviewed-by: Tim Hudson <tjh@openssl.org>
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Because we use atexit() to cleanup after ourselves, this will cause a
problem if we have been dynamically loaded and then unloaded again: the
atexit() handler may no longer be there.
Most modern atexit() implementations can handle this, however there are
still difficulties if libssl gets unloaded before libcrypto, because of
the atexit() callback that libcrypto makes to libssl.
The most robust solution seems to be to ensure that libcrypto and libssl
never unload. This is done by simply deliberately leaking a dlopen()
reference to them.
Reviewed-by: Tim Hudson <tjh@openssl.org>
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This works the same way as DSO_pathbyaddr() but instead returns a ptr to
the DSO that contains the provided symbol.
Reviewed-by: Tim Hudson <tjh@openssl.org>
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Commit 3d8b2ec42 removed various unused functions. However now we need to
use one of them! This commit resurrects DSO_pathbyaddr(). We're not going to
resurrect the Windows version though because what we need to achieve can be
done a different way on Windows.
Reviewed-by: Tim Hudson <tjh@openssl.org>
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Reviewed-by: Richard Levitte <levitte@openssl.org>
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After the recent reworking, not everything matched up, and some
comments didn't catch up to the outl-->dlen and inl-->dlen renames
that happened during the development of the recent patches.
Try to make parameter names consistent across header, implementation,
and manual pages.
Also remove some trailing whitespace that was inadvertently introduced.
Reviewed-by: Matt Caswell <matt@openssl.org>
Reviewed-by: Richard Levitte <levitte@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/1798)
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Reviewed-by: Richard Levitte <levitte@openssl.org>
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Reviewed-by: Richard Levitte <levitte@openssl.org>
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Rename some parameters; add some error codes; fix a comment; etc
Reviewed-by: Richard Levitte <levitte@openssl.org>
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Make sure the return value isn't bigger than the buffer len
Reviewed-by: Richard Levitte <levitte@openssl.org>
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Based on feedback received.
Reviewed-by: Richard Levitte <levitte@openssl.org>
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Rename some parameters.
Also change handling of buffer sizes >INT_MAX in length.
Reviewed-by: Richard Levitte <levitte@openssl.org>
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They should return 0 for a failure (retryable or not), and 1 for a success.
Reviewed-by: Richard Levitte <levitte@openssl.org>
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In converting a new style BIO_read() call into an old one, read
as much data as we can (INT_MAX), if the size of the buffer is
>INT_MAX.
Reviewed-by: Richard Levitte <levitte@openssl.org>
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Reviewed-by: Richard Levitte <levitte@openssl.org>
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Reviewed-by: Richard Levitte <levitte@openssl.org>
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Also extend BIO_METHOD to be able to supply an implementation for the new
BIO_write_ex function.
Reviewed-by: Richard Levitte <levitte@openssl.org>
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Also extend BIO_METHOD to be able to supply an implementation for the new
BIO_read function.
Reviewed-by: Richard Levitte <levitte@openssl.org>
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[And remove FPU mutiplication subroutine.]
Reviewed-by: Rich Salz <rsalz@openssl.org>
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Reviewed-by: Rich Salz <rsalz@openssl.org>
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Reviewed-by: Rich Salz <rsalz@openssl.org>
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Reviewed-by: Richard Levitte <levitte@openssl.org>
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Reviewed-by: Richard Levitte <levitte@openssl.org>
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Reviewed-by: Richard Levitte <levitte@openssl.org>
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Reviewed-by: Richard Levitte <levitte@openssl.org>
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The __DragonFly__ macros were introduced in issue #1546 along with a
function naming fix, but it was decided they should be handled
separately.
Reviewed-by: Richard Levitte <levitte@openssl.org>
Reviewed-by: Rich Salz <rsalz@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/1765)
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Add DragonFly version of BSD.
Reviewed-by: Matt Caswell <matt@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/1584)
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Only set the load_crypto_strings_inited to 1 when err_load_crypto_strings_int was called.
This solves the following issue:
- openssl is built with no-err
- load_crypto_strings_inited is set to 1 during the OPENSSL_init_crypto call
- During the cleanup: OPENSSL_cleanup, err_free_strings_int is called because load_crypto_strings_inited == 1
- err_free_strings_int calls do_err_strings_init because it has never been called
- Now do_err_strings_init calls OPENSSL_init_crypto
- But since we are in the cleanup (stopped == 1) this results in an error:
CRYPTOerr(CRYPTO_F_OPENSSL_INIT_CRYPTO, ERR_R_INIT_FAIL);
- which then tries to initialize everything we are trying to clean up: ERR_get_state, ossl_init_thread_start, etc
Reviewed-by: Tim Hudson <tjh@openssl.org>
Reviewed-by: Rich Salz <rsalz@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/1654)
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Reviewed-by: Tim Hudson <tjh@openssl.org>
Reviewed-by: Rich Salz <rsalz@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/1632)
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crypto/asn1/asn1_item_list.c needed including dh.h and rsa.h directly.
The reason is that they are not included by x509.h when configured
'no-deprecated'
Reviewed-by: Rich Salz <rsalz@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/1741)
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crypto/s390xcap.c: internal/cryptlib.h needs to be included for
OPENSSL_cpuid_setup function prototype is located there to avoid
build error due to -Werror=missing-prototypes.
Signed-off-by: Patrick Steuer <psteuer@mail.de>
Reviewed-by: Rich Salz <rsalz@openssl.org>
Reviewed-by: Richard Levitte <levitte@openssl.org>
Reviewed-by: Matt Caswell <matt@openssl.org>
CLA: trivial
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crypto/evp/e_aes.c: Types of inp and out parameters of
AES_xts_en/decrypt functions need to be changed from char to
unsigned char to avoid build error due to
'-Werror=incompatible-pointer-types'.
crypto/aes/asm/aes-s390x.pl: Comments need to reflect the above
change.
Signed-off-by: Patrick Steuer <psteuer@mail.de>
Reviewed-by: Rich Salz <rsalz@openssl.org>
Reviewed-by: Richard Levitte <levitte@openssl.org>
Reviewed-by: Matt Caswell <matt@openssl.org>
CLA: trivial
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crypto/asn1/a_strex.c: Type of width variable in asn1_valid_host
function needs to be changed from char to signed char to avoid
build error due to '-Werror=type-limits'.
Signed-off-by: Patrick Steuer <psteuer@mail.de>
Reviewed-by: Rich Salz <rsalz@openssl.org>
Reviewed-by: Richard Levitte <levitte@openssl.org>
Reviewed-by: Matt Caswell <matt@openssl.org>
CLA: trivial
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Don't rely on embedded flag to free strings correctly: it wont be
set if there is a malloc failure during initialisation.
Thanks to Guido Vranken for reporting this issue.
Reviewed-by: Rich Salz <rsalz@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/1725)
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