[openssl/openssl] 68d6dd: rands/drbg_hash.c: Add checks for the EVP_MD_get_s...

JiashengJiang noreply at github.com
Tue Apr 2 09:24:36 UTC 2024


  Branch: refs/heads/master
  Home:   https://github.com/openssl/openssl
  Commit: 68d6dd3354597de01e7a9534be813756004e1351
      https://github.com/openssl/openssl/commit/68d6dd3354597de01e7a9534be813756004e1351
  Author: Jiasheng Jiang <jiasheng at purdue.edu>
  Date:   2024-04-02 (Tue, 02 Apr 2024)

  Changed paths:
    M providers/implementations/rands/drbg_hash.c

  Log Message:
  -----------
  rands/drbg_hash.c: Add checks for the EVP_MD_get_size()

Add checks for the EVP_MD_get_size() to avoid integer overflow and then explicitly cast from int to size_t.

Fixes: 8bf3665196 ("Added DRBG_HMAC & DRBG_HASH + Added defaults for setting DRBG for master/public/private + renamed generate_counter back to reseed_counter + generated new cavs data tests")
Signed-off-by: Jiasheng Jiang <jiasheng at purdue.edu>

Reviewed-by: Tomas Mraz <tomas at openssl.org>
Reviewed-by: Paul Dale <ppzgs1 at gmail.com>
Reviewed-by: Tom Cosgrove <tom.cosgrove at arm.com>
Reviewed-by: Neil Horman <nhorman at openssl.org>
(Merged from https://github.com/openssl/openssl/pull/23944)



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