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[openssl-gost] [gost-engine/engine] 021a2b: gost_ec_sign: Fix sig verify step 1 range checks

  Branch: refs/heads/master
  Home:   https://github.com/gost-engine/engine
  Commit: 021a2b61b5d904caaf4ceb26ff3163f1f0e4219f
      https://github.com/gost-engine/engine/commit/021a2b61b5d904caaf4ceb26ff3163f1f0e4219f
  Author: Vitaly Chikunov <vt@altlinux.org>
  Date:   2022-05-24 (Tue, 24 May 2022)

  Changed paths:
    M gost_ec_sign.c

  Log Message:
  -----------
  gost_ec_sign: Fix sig verify step 1 range checks

Ensure 0 < r < q, 0 < s < q. (34.10-2021 6.2).

Signed-off-by: Vitaly Chikunov <vt@altlinux.org>