- 22 Feb, 2019 1 commit
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Paul Yang authored
Reviewed-by:
Paul Dale <paul.dale@oracle.com> (Merged from https://github.com/openssl/openssl/pull/8303) (cherry picked from commit 84712024)
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- 21 Feb, 2019 2 commits
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Matt Caswell authored
The aes128_cbc_hmac_sha1 cipher in the dasync engine is broken. Probably by commit e38c2e85 which removed use of the "enc" variable...but not completely. Reviewed-by:
Richard Levitte <levitte@openssl.org> Reviewed-by:
Matthias St. Pierre <Matthias.St.Pierre@ncp-e.com> (Merged from https://github.com/openssl/openssl/pull/8291) (cherry picked from commit 695dd3a3)
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Hubert Kario authored
The option is a flag for Options, not a standalone setting. Reviewed-by:
Matt Caswell <matt@openssl.org> (Merged from https://github.com/openssl/openssl/pull/8292) (cherry picked from commit 4ac5e43d)
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- 20 Feb, 2019 4 commits
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Nicola Tuveri authored
(cherry picked from commit c8147d37 ) Reviewed-by:
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Nicola Tuveri authored
This commit adds a simple unit test to make sure that the constant-time flag does not "leak" among BN_CTX frames: - test_ctx_consttime_flag() initializes (and later frees before returning) a BN_CTX object, then it calls in sequence test_ctx_set_ct_flag() and test_ctx_check_ct_flag() using the same BN_CTX object. The process is run twice, once with a "normal" BN_CTX_new() object, then with a BN_CTX_secure_new() one. - test_ctx_set_ct_flag() starts a frame in the given BN_CTX and sets the BN_FLG_CONSTTIME flag on some of the BIGNUMs obtained from the frame before ending it. - test_ctx_check_ct_flag() then starts a new frame and gets a number of BIGNUMs from it. In absence of leaks, none of the BIGNUMs in the new frame should have BN_FLG_CONSTTIME set. In actual BN_CTX usage inside libcrypto the leak could happen at any depth level in the BN_CTX stack, with varying results depending on the patterns of sibling trees of nested function calls sharing the same BN_CTX object, and the effect of unintended BN_FLG_CONSTTIME on the called BN_* functions. This simple unit test abstracts away this complexity and verifies that the leak does not happen between two sibling functions sharing the same BN_CTX object at the same level of nesting. (cherry picked from commit fe16ae5f ) Reviewed-by:
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Billy Brumley authored
(cherry picked from commit 8f58ede0 ) Reviewed-by:
Nicola Tuveri <nic.tuv@gmail.com> (Merged from https://github.com/openssl/openssl/pull/8262)
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Billy Brumley authored
This commit adds a dedicated function in `EC_METHOD` to access a modular field inversion implementation suitable for the specifics of the implemented curve, featuring SCA countermeasures. The new pointer is defined as: `int (*field_inv)(const EC_GROUP*, BIGNUM *r, const BIGNUM *a, BN_CTX*)` and computes the multiplicative inverse of `a` in the underlying field, storing the result in `r`. Three implementations are included, each including specific SCA countermeasures: - `ec_GFp_simple_field_inv()`, featuring SCA hardening through blinding. - `ec_GFp_mont_field_inv()`, featuring SCA hardening through Fermat's Little Theorem (FLT) inversion. - `ec_GF2m_simple_field_inv()`, that uses `BN_GF2m_mod_inv()` which already features SCA hardening through blinding. From a security point of view, this also helps addressing a leakage previously affecting conversions from projective to affine coordinates. This commit also adds a new error reason code (i.e., `EC_R_CANNOT_INVERT`) to improve consistency between the three implementations as all of them could fail for the same reason but through different code paths resulting in inconsistent error stack states. Co-authored-by:
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- 19 Feb, 2019 4 commits
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Ionut Mihalcea authored
Reviewed-by:
Ben Kaduk <kaduk@mit.edu> Reviewed-by:
Viktor Dukhovni <viktor@openssl.org> Reviewed-by:
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Matthias Kraft authored
The AIX binder needs to be instructed that the output will have no entry point (see AIX' ld manual: -e in the Flags section; autoexp and noentry in the Binder section). Reviewed-by:
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Matt Caswell authored
Reviewed-by:
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Matt Caswell authored
In TLSv1.3 it is illegal to interleave handshake records with non handshake records. Fixes #8189 Reviewed-by:
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- 18 Feb, 2019 1 commit
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Corinna Vinschen authored
Cygwin binaries should not enforce text mode these days, just use text mode if the underlying mount point requests it Signed-off-by:
Corinna Vinschen <vinschen@redhat.com> Reviewed-by:
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- 17 Feb, 2019 4 commits
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Vedran Miletić authored
CLA: trivial Reviewed-by:
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Jan Macku authored
CLA: trivial Reviewed-by:
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David Benjamin authored
Reviewed-by:
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David Benjamin authored
The add/double shortcut in ecp_nistz256-x86_64.pl left one instruction point that did not unwind, and the "slow" path in AES_cbc_encrypt was not annotated correctly. For the latter, add .cfi_{remember,restore}_state support to perlasm. Next, fill in a bunch of functions that are missing no-op .cfi_startproc and .cfi_endproc blocks. libunwind cannot unwind those stack frames otherwise. Finally, work around a bug in libunwind by not encoding rflags. (rflags isn't a callee-saved register, so there's not much need to annotate it anyway.) These were found as part of ABI testing work in BoringSSL. Reviewed-by:
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- 15 Feb, 2019 2 commits
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Richard Levitte authored
safestack.h, lhash.h and sparse_array.h all define macros to generate a full API for the containers as static inline functions. This potentially generates unused code, which some compilers may complain about. We therefore need to mark those generated functions as unused, so the compiler knows that we know, and stops complaining about it. Reviewed-by:
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Matt Caswell authored
Otherwise this can result in an incorrect calculation of the maximum encoded integer length, meaning an insufficient buffer size is allocated. Thanks to Billy Brumley for helping to track this down. Fixes #8209 Reviewed-by:
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- 14 Feb, 2019 4 commits
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Matt Caswell authored
The "verify_return_error" option in s_client is documented as: Return verification errors instead of continuing. This will typically abort the handshake with a fatal error. In practice this option was ignored unless also accompanied with the "-verify" option. It's unclear what the original intention was. One fix could have been to change the documentation to match the actual behaviour. However it seems unecessarily complex and unexpected that you should need to have both options. Instead the fix implemented here is make the option match the documentation so that "-verify" is not also required. Note that s_server has a similar option where "-verify" (or "-Verify") is still required. This makes more sense because those options additionally request a certificate from the client. Without a certificate there is no possibility of a verification failing, and so "-verify_return_error" doing nothing seems ok. Fixes #8079 Reviewed-by: -
Matt Caswell authored
The original 1.1.1 design was to use SSL_CB_HANDSHAKE_START and SSL_CB_HANDSHAKE_DONE to signal start/end of a post-handshake message exchange in TLSv1.3. Unfortunately experience has shown that this confuses some applications who mistake it for a TLSv1.2 renegotiation. This means that KeyUpdate messages are not handled properly. This commit removes the use of SSL_CB_HANDSHAKE_START and SSL_CB_HANDSHAKE_DONE to signal the start/end of a post-handshake message exchange. Individual post-handshake messages are still signalled in the normal way. This is a potentially breaking change if there are any applications already written that expect to see these TLSv1.3 events. However, without it, KeyUpdate is not currently usable for many applications. Fixes #8069 Reviewed-by:
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Sam Roberts authored
set_cipher_list() sets TLSv1.2 (and below) ciphers, and its success or failure should not depend on whether set_ciphersuites() has been used to setup TLSv1.3 ciphers. Reviewed-by:
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Richard Levitte authored
There are times when one might want to use something like DEFINE_STACK_OF in a .c file, because it defines a stack for a type defined in that .c file. Unfortunately, when configuring with `--strict-warnings`, clang aggressively warn about unused functions in such cases, which forces the use of such DEFINE macros to header files. We therefore disable this warning from the `--strict-warnings` definition for clang. (note for the curious: `-Wunused-function` is enabled via `-Wall`) Reviewed-by:
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- 13 Feb, 2019 3 commits
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Michael Haubenwallner authored
CLA: trivial Reviewed-by:
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Daniel DeFreez authored
CLA: trivial Reviewed-by:
Bernd Edlinger <bernd.edlinger@hotmail.de> Reviewed-by:
Paul Yang <yang.yang@baishancloud.com> Reviewed-by:
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Andy Polyakov authored
ARMv8.3 adds pointer authentication extension, which in this case allows to ensure that, when offloaded to stack, return address is same at return as at entry to the subroutine. The new instructions are nops on processors that don't implement the extension, so that the vetification is backward compatible. Reviewed-by:
Kurt Roeckx <kurt@roeckx.be> Reviewed-by:
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- 11 Feb, 2019 3 commits
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Richard Levitte authored
This allows the user to override our defaults if needed, and in a consistent manner. Partial fix for #7607 Reviewed-by:
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Richard Levitte authored
Fixes #8091 Reviewed-by:
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Tomas Mraz authored
If the old openssl versions not supporting the .include directive load a config file with it, they will bail out with error. This change allows using the .include = <filename> syntax which is interpreted as variable assignment by the old openssl config file parser. Reviewed-by:
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- 10 Feb, 2019 1 commit
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Daniel DeFreez authored
CLA: Trivial Reviewed-by:
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- 08 Feb, 2019 3 commits
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Todd Short authored
Reviewed-by:
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Todd Short authored
o2i_ECPublicKey() requires an EC_KEY structure filled with an EC_GROUP. o2i_ECPublicKey() is called by d2i_PublicKey(). In order to fulfill the o2i_ECPublicKey()'s requirement, d2i_PublicKey() needs to be called with an EVP_PKEY with an EC_KEY containing an EC_GROUP. However, the call to EVP_PKEY_set_type() frees any existing key structure inside the EVP_PKEY, thus freeing the EC_KEY with the EC_GROUP that o2i_ECPublicKey() needs. This means you can't d2i_PublicKey() for an EC key... The fix is to check to see if the type is already set appropriately, and if so, not call EVP_PKEY_set_type(). Reviewed-by:
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Pauli authored
reinstantiating the DRBG. Bug reported by Doug Gibbons. Reviewed-by:
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- 07 Feb, 2019 2 commits
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Richard Levitte authored
The manual says this in its notes: ... and therefore applications using static linking should also call OPENSSL_thread_stop() on each thread. ... Fixes #8171 Reviewed-by: -
Matt Caswell authored
Making this a no-op removes a potential infinite loop than can occur in some situations. Fixes #2865 Reviewed-by:
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- 05 Feb, 2019 2 commits
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Sam Roberts authored
Trim trailing whitespace. It doesn't match OpenSSL coding standards, AFAICT, and it can cause problems with git tooling. Trailing whitespace remains in test data and external source. Backport-of: https://github.com/openssl/openssl/pull/8092 Reviewed-by:
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Sam Roberts authored
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- 04 Feb, 2019 2 commits
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Matthias Kraft authored
Fixes #7732 Reviewed-by:
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batist73 authored
CLA: trivial Reviewed-by:
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- 02 Feb, 2019 1 commit
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Bernd Edlinger authored
The commit 5dc40a83 forgot to add a short description to the CHANGES file. Reviewed-by:
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- 01 Feb, 2019 1 commit
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Michael Tuexen authored
When computing the end-point shared secret, don't take the terminating NULL character into account. Please note that this fix breaks interoperability with older versions of OpenSSL, which are not fixed. Fixes #7956 Reviewed-by:
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