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rands/drbg_hmac.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: 8bf3665 ("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@purdue.edu> Reviewed-by: Tomas Mraz <tomas@openssl.org> Reviewed-by: Paul Dale <ppzgs1@gmail.com> Reviewed-by: Tom Cosgrove <tom.cosgrove@arm.com> Reviewed-by: Neil Horman <nhorman@openssl.org> (Merged from #23945)
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