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authorWerner Koch <wk@gnupg.org>2013-07-29 15:09:33 +0200
committerWerner Koch <wk@gnupg.org>2013-07-29 15:09:33 +0200
commit6e0a9786637d649b48aae0e611a12e12beef9b3b (patch)
treebb0a78af045566623d2f94ae037faa0c888b424c /NEWS
parent1cfa79aabc5d0fd8d124901054475e90ab7d9cde (diff)
downloadlibgcrypt-6e0a9786637d649b48aae0e611a12e12beef9b3b.tar.gz
Implement deterministic ECDSA as specified by rfc-6979.
* cipher/ecc.c (sign): Add args FLAGS and HASHALGO. Convert an opaque MPI as INPUT. Implement rfc-6979. (ecc_sign): Remove the opaque MPI code and pass FLAGS to sign. (verify): Do not allocate and compute Y; it is not used. (ecc_verify): Truncate the hash value if needed. * tests/dsa-rfc6979.c (check_dsa_rfc6979): Add ECDSA test cases. Signed-off-by: Werner Koch <wk@gnupg.org>
Diffstat (limited to 'NEWS')
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@@ -19,6 +19,11 @@ Noteworthy changes in version 1.6.0 (unreleased)
* Added support for the SCRYPT algorithm.
+ * Mitigate the Yarom/Falkner flush+reload side-channel attack on RSA
+ secret keys. See <http://eprint.iacr.org/2013/448> [CVE-2013-4242].
+
+ * Support Deterministic DSA as per RFC-6969.
+
* Interface changes relative to the 1.5.0 release:
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
gcry_ac_* REMOVED.