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And add a test case.
Reviewed-by: Richard Levitte <levitte@openssl.org>
Reviewed-by: Rich Salz <rsalz@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/2757)
(cherry picked from commit 697958313ba48c8ebc832ab8f9f2b845fb7acfd4)
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Factorise multiple bn_get_top(group->field) calls
Add missing checks on some conditional BN_copy return value
Add missing checks on some BN_copy return value
Add missing checks on a few bn_wexpand return value
Reviewed-by: Richard Levitte <levitte@openssl.org>
Reviewed-by: Rich Salz <rsalz@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/1626)
(cherry picked from commit 78e09b53a40729f5e99829ccc733b592bd22fea1)
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The flags RSA_FLAG_NO_CONSTTIME, DSA_FLAG_NO_EXP_CONSTTIME and
DH_FLAG_NO_EXP_CONSTTIME which previously provided the ability to switch
off the constant time implementation for RSA, DSA and DH have been made
no-ops and deprecated.
Reviewed-by: Richard Levitte <levitte@openssl.org>
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Reviewed-by: Richard Levitte <levitte@openssl.org>
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Move rsa_st away from public headers.
Add accessor/writer functions for the public RSA data.
Adapt all other source to use the accessors and writers.
Reviewed-by: Matt Caswell <matt@openssl.org>
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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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The function rsa_ossl_mod_exp uses the function BN_with_flags to create a
temporary copy (local_r1) of a BIGNUM (r1) with modified flags. This
temporary copy shares some state with the original r1. If the state of r1
gets updated then local_r1's state will be stale. This was occurring in the
function so that when local_r1 was freed a call to bn_check_top was made
which failed an assert due to the stale state. To resolve this we must free
local_r1 immediately after we have finished using it and not wait until the
end of the function.
This problem prompted a review of all BN_with_flag usage within the
codebase. All other usage appears to be correct, although often not
obviously so. This commit refactors things to make it much clearer for
these other uses.
Reviewed-by: Emilia Käsper <emilia@openssl.org>
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Continuing from previous commit ensure our style is consistent for malloc
return checks.
Reviewed-by: Kurt Roeckx <kurt@openssl.org>
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Add secure heap for storage of private keys (when possible).
Add BIO_s_secmem(), CBIGNUM, etc.
Add BIO_CTX_secure_new so all BIGNUM's in the context are secure.
Contributed by Akamai Technologies under the Corporate CLA.
Reviewed-by: Richard Levitte <levitte@openssl.org>
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There are header files in crypto/ that are used by a number of crypto/
submodules. Move those to crypto/include/internal and adapt the
affected source code and Makefiles.
The header files that got moved are:
crypto/cryptolib.h
crypto/md32_common.h
Reviewed-by: Rich Salz <rsalz@openssl.org>
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This gets BN_.*free:
BN_BLINDING_free BN_CTX_free BN_FLG_FREE BN_GENCB_free
BN_MONT_CTX_free BN_RECP_CTX_free BN_clear_free BN_free BUF_MEM_free
Also fix a call to DSA_SIG_free to ccgost engine and remove some #ifdef'd
dead code in engines/e_ubsec.
Reviewed-by: Richard Levitte <levitte@openssl.org>
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Reviewed-by: Tim Hudson <tjh@openssl.org>
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Reviewed-by: Tim Hudson <tjh@openssl.org>
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Reviewed-by: Tim Hudson <tjh@openssl.org>
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Reviewed-by: Tim Hudson <tjh@openssl.org>
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the FIPS capable OpenSSL.
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allow status of POST to be monitored and/or failures induced.
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crypto.h if needed.
Modify source tree to handle change.
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OpenSSL malloc dependencies.
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Check for selftest failures.
Pairwise consistency test for RSA key generation.
Use some EVP macros instead of EVP functions.
Use minimal FIPS EVP where needed.
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Submitted by: Matthew D Wood
Reviewed by: Bodo Moeller
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(Also improve util/ck_errf.pl script, and occasionally
fix source code formatting.)
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outstanding ticket.
PR: 926
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additional contexts.
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small key sizes seems to result from the code continually regenerating the
same prime value once the range is small enough. From my tests, this change
fixes the problem by setting an escape velocity of 3 repeats for the second
of the two primes.
PR: 874
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proposed the change and submitted the patch, I jiggled it slightly and
adjusted the other parts of openssl that were affected.
PR: 867
Submitted by: Jelte Jansen
Reviewed by: Geoff Thorpe
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I have tried to convert 'len' type variable declarations to unsigned as a
means to address these warnings when appropriate, but when in doubt I have
used casts in the comparisons instead. The better solution (that would get
us all lynched by API users) would be to go through and convert all the
function prototypes and structure definitions to use unsigned variables
except when signed is necessary. The proliferation of (signed) "int" for
strictly non-negative uses is unfortunate.
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generation. This prototype matches the new API function
RSA_generate_key_ex(), though both may be subject to change during
development before 0.9.8.
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- a patch to fix a memory leak in rsa_gen.c
- a note about compiler warnings with unions
- a note about improving structure element names
This applies his patch and implements a solution to the notes.
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key-generation and prime-checking functions. Rather than explicitly passing
callback functions and caller-defined context data for the callbacks, a new
structure BN_GENCB is defined that encapsulates this; a pointer to the
structure is passed to all such functions instead.
This wrapper structure allows the encapsulation of "old" and "new" style
callbacks - "new" callbacks return a boolean result on the understanding
that returning FALSE should terminate keygen/primality processing. The
BN_GENCB abstraction will allow future callback modifications without
needing to break binary compatibility nor change the API function
prototypes. The new API functions have been given names ending in "_ex" and
the old functions are implemented as wrappers to the new ones. The
OPENSSL_NO_DEPRECATED symbol has been introduced so that, if defined,
declaration of the older functions will be skipped. NB: Some
openssl-internal code will stick with the older callbacks for now, so
appropriate "#undef" logic will be put in place - this is in case the user
is *building* openssl (rather than *including* its headers) with this
symbol defined.
There is another change in the new _ex functions; the key-generation
functions do not return key structures but operate on structures passed by
the caller, the return value is a boolean. This will allow for a smoother
transition to having key-generation as "virtual function" in the various
***_METHOD tables.
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Submitted by: Karsten Spang <ks@bellesystems.com>
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temporary BIGNUMs. BN_CTX still uses a fixed number of BIGNUMs, but
the BN_CTX implementation could now easily be changed.
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unnecessary cast.
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Submitted by:
Reviewed by:
PR:
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