On 15/06/2019 15:08, Tobias Nießen wrote: > Hello, > > I am wondering whether it is permitted to call EVP_DigestFinal_ex multiple > times on the same context in order to retrieve the same digest twice. I > expected OpenSSL to fail with an error code, but SHA256 seems to permit it > whereas SHA3 seems to cause a segmentation fault. The documentation does not > explicitely forbid or allow it, so I am wondering where this should be > addressed: In the implementation of EVP_*, in SHA2, in SHA3, in the > documentation, or not at all? I believe this should not be allowed. Probably this is a documentation issue. Matt
