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DRBG: add check for XOF so these can be disallowed by the DRBGs

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Reviewed-by: Matthias St. Pierre <Matthias.St.Pierre@ncp-e.com>
(Merged from https://github.com/openssl/openssl/pull/10321)
This commit is contained in:
Pauli 2019-11-01 21:07:08 +10:00
parent 9fff0a4b0d
commit 5d0cf102e0
2 changed files with 5 additions and 0 deletions
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2
crypto/rand/drbg_hash.c
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@ -317,6 +317,8 @@ int drbg_hash_init(RAND_DRBG *drbg)
if (md == NULL)
return 0;
if ((EVP_MD_flags(md) & EVP_MD_FLAG_XOF) != 0)
return 0;
drbg->meth = &drbg_hash_meth;

3
crypto/rand/drbg_hmac.c
View File

@ -211,6 +211,9 @@ int drbg_hmac_init(RAND_DRBG *drbg)
if (md == NULL)
return 0;
if ((EVP_MD_flags(md) & EVP_MD_FLAG_XOF) != 0)
return 0;
drbg->meth = &drbg_hmac_meth;
if (hmac->ctx == NULL) {