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DescriptionDmitry Belyavskiy
2022-06-30 07:40:27 UTC
- zeroization:
- I fail to see that EVP_PKEY_free zeroizes the key data - note for 140-3 the public key must be zeroized as well.
- I fail to see that DSA_free zeroizes the PQG data.
-- ossl_ffc_params_cleanup - does a memset of params, but after free of p/q/g, should memset first
- I fail to see that RSA_free zeroizes n and e.
-- I only see the n and e are freed, no zeroization
- I fail to see that DH_free zeroizes the PQG data.
-- ossl_ffc_params_cleanup - does a memset of params, but after free of p/q/g, should memset first
- I fail to see that EC_POINT_free zeroizes the data - for ECDH, the remote key is a point which need to be zeroized.
TBD if necessary, but we have EC_POINT_clear_free that is extensively used
- pbkdf_pbkdf2_cleanup: I fail to see that the salt is zeroized
-- could not find pbkdf_pbkdf2_ckeanup, found kdf_pbkdf2_cleanup and it does a free of ctx->salt then memset of ctx, the memset should be first
- kdf_hkdf_reset: I fail to see that the salt is zeroized
-- it does a free of ctx->salt then memset of ctx, the memset should be first