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2019-10-04Use a valid curve when constructing an EC_KEY that looks like X25519.jsing1-2/+3
The recent EC group cofactor change results in stricter validation, which causes the EC_GROUP_set_generator() call to fail. Issue reported and fix tested by rsadowski@ ok tb@
2019-10-04Provide internal RSA_padding_{add,check}_PKCS1_OAEP_mgf1() functions.jsing2-10/+90
These are internal only for now and will be made public at a later date. The RSA_padding_{add,check}_PKCS1_OAEP() functions become wrappers around the *_mgf1() variant. ok tb@ inoguchi@ (as part of a larger diff)
2019-10-04Avoid a path traversal bug in s_server on Windows.bcook1-3/+3
openssl s_server has an arbitrary read vulnerability on Windows when run with the -WWW or -HTTP options, due to an incomplete path check logic. Thanks to Jobert Abma for reporting. ok tb@
2019-10-04the formatting for the mini synopses in this page did not render welljmc1-115/+179
on html or groff. the solution, to replace the non-standard .nr macros with a hang list, was provided by ingo - thanks! ok schwarze
2019-10-03Move towards making RSA OAEP functions handle arbitrary message digests.jsing1-53/+59
Based on OpenSSL 1.1.1. ok tb@, inoguchi@ (on an earlier/larger diff)
2019-09-30bump for LibreSSL 3.0.1libressl-v3.0.1bcook1-3/+3
2019-09-29zap trailing whitespace;jmc1-3/+3
2019-09-29If a NULL or zero cofactor is passed to EC_GROUP_set_generator(),tb3-11/+113
try to compute it using Hasse's bound. This works as long as the cofactor is small enough. Port of Brumley's fix for CVE-2019-1547 in OpenSSL 1.1.1 (old license) tests & ok inoguchi input & ok jsing commit 30c22fa8b1d840036b8e203585738df62a03cec8 Author: Billy Brumley <bbrumley@gmail.com> Date: Thu Sep 5 21:25:37 2019 +0300 [crypto/ec] for ECC parameters with NULL or zero cofactor, compute it The cofactor argument to EC_GROUP_set_generator is optional, and SCA mitigations for ECC currently use it. So the library currently falls back to very old SCA-vulnerable code if the cofactor is not present. This PR allows EC_GROUP_set_generator to compute the cofactor for all curves of cryptographic interest. Steering scalar multiplication to more SCA-robust code. This issue affects persisted private keys in explicit parameter form, where the (optional) cofactor field is zero or absent. It also affects curves not built-in to the library, but constructed programatically with explicit parameters, then calling EC_GROUP_set_generator with a nonsensical value (NULL, zero). The very old scalar multiplication code is known to be vulnerable to local uarch attacks, outside of the OpenSSL threat model. New results suggest the code path is also vulnerable to traditional wall clock timing attacks. CVE-2019-1547 Reviewed-by: Matt Caswell <matt@openssl.org> Reviewed-by: Tomas Mraz <tmraz@fedoraproject.org> Reviewed-by: Nicola Tuveri <nic.tuv@gmail.com> (Merged from https://github.com/openssl/openssl/pull/9781)
2019-09-28Xr random 4 in a better wayderaadt1-3/+5
2019-09-14Add comment line saying S is described vaguely on purpose.otto1-2/+3
Prompted by guenther@
2019-09-10document EVP_PKEY_CTX_get_signature_md(3);schwarze1-4/+17
jsing@ provided it in evp.h rev. 1.77
2019-09-09Plug memory leak in error paths. Found while comparing this filetb1-5/+5
with OpenSSL 1.1.1's version which contains a similar fix. ok jsing
2019-09-09Provide EVP_PKEY_CTX_get_signature_md() macro and implement thejsing4-7/+25
EVP_PKEY_CTRL_GET_MD control for DSA, EC and RSA. This is used by the upcoming RSA CMS code. ok inoguchi@ tb@
2019-09-09Load CMS error strings.jsing1-1/+5
2019-09-09Move #include <openssl/cms.h> to more appropriate location (since it isjsing1-3/+2
now being installed).
2019-09-09Install the openssl/cms.h header.jsing1-1/+3
This header includes OPENSSL_NO_CMS guards, so even if things find the header it provides no useful content (and other code should technically also be using OPENSSL_NO_CMS...). ok deraadt@ inoguchi@
2019-09-08Add CMS ECC support.jsing1-2/+370
This brings in EC code from OpenSSL 1.1.1b, with style(9) and whitespace cleanups. All of this code is currently under OPENSSL_NO_CMS hence is a no-op. ok inoguchi@
2019-09-06Add various macros and controls for EC_PKEY_CTX.jsing4-28/+316
These are needed for the upcoming EC CMS support (nothing else appears to use them). This largely syncs our ec_pmeth.c with OpenSSL 1.1.1b. With input from inoguchi@ and tb@. ok inoguchi@ tb@
2019-09-06Handle CMS PEM headers.jsing1-1/+11
ok inoguchi@ tb@
2019-09-05Add objects for ECDH schemes in RFC 5753.jsing2-0/+32
Based on OpenSSL 1.1.1b. ok inoguchi@ tb@
2019-09-05Build ecdh_kdf.cjsing1-2/+2
2019-09-05Replace OPENSSL_cleanse() with explicit_bzero().jsing1-1/+1
2019-09-05Provide prototype for ecdh_KDF_X9_63()jsing1-1/+7
2019-09-05Include correct header.jsing1-1/+1
2019-09-05style(9) and whitespace.jsing1-65/+72
2019-09-05Restore per-file license/copyright removed in OpenSSL commit 4f22f40507f.jsing1-5/+48
2019-09-05Remove ECDH_KDF_X9_62 wrapper.jsing1-12/+0