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cipher:(EC)DSA: Fix _gcry_dsa_modify_k to least leak.

Description

cipher:(EC)DSA: Fix _gcry_dsa_modify_k to least leak.

* cipher/dsa-common.c (_gcry_dsa_modify_k): Use _gcry_mpih_add_lli.
  • GnuPG-bug-id: T7519
  • Signed-off-by: NIIBE Yutaka <gniibe@fsij.org>

Details

Provenance
gniibeAuthored on Mon, Feb 10, 5:32 AM
Parents
rC58e72af4eac4: mpi: Add _gcry_mpih_add_lli.
Branches
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Tasks
T7519: libgcrypt: (EC)DSA signature generation should be constant-time