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A few more updates to the digest functions.

Browse source 
This builds upon the previous commit to make Zeek compile on FIPS
systems.

This patch makes the changes a bit more aggressive. Instead of having a
number of different hash functions with different return values, we now
standardize on EVP_MD_CTX and just have one set of functions, to which
the hash algorithm that is desired is passed.

On the positive side, this enables us to support a wider range of hash
algorithm (and to easily add to them in the future).

I reimplemented the internal_md5 function - we don't support ebdic
systems in any case.

The md5/sha1 serialization functions are now also tested (I don't think
they were before).
This commit is contained in:
Johanna Amann 2019-01-24 09:19:29 -08:00
parent ffa6756255
commit 86161c85c4
9 changed files with 149 additions and 143 deletions
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4
src/OpaqueVal.h
View file

@ -75,7 +75,7 @@ protected:
DECLARE_SERIAL(SHA1Val);
private:
SHA_CTX ctx;
EVP_MD_CTX* ctx;
};
class SHA256Val : public HashVal {
@ -94,7 +94,7 @@ protected:
DECLARE_SERIAL(SHA256Val);
private:
SHA256_CTX ctx;
EVP_MD_CTX* ctx;
};
class EntropyVal : public OpaqueVal {