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| author | Ludovic Courtès <ludo@gnu.org> | 2020-06-23 11:46:05 +0200 |
|---|---|---|
| committer | Ludovic Courtès <ludo@gnu.org> | 2020-06-27 23:42:20 +0200 |
| commit | 3fb6b8f30444d41963ba5bdd441123a6d2df17bd (patch) | |
| tree | 0159dc3f3ceefdbe75e42587afc6d711a7c460dc | |
| parent | 4b4f890cb03d7c5b958fe08553dfad2f39a1d4f2 (diff) | |
| download | guix-3fb6b8f30444d41963ba5bdd441123a6d2df17bd.tar guix-3fb6b8f30444d41963ba5bdd441123a6d2df17bd.tar.gz | |
daemon: Map directly to gcrypt hash functions.
* nix/libutil/hash.hh (HashType): Map directly to GCRY_MD_ values.
(md5HashSize, sha1HashSize, sha256HashSize, sha512HashSize): Remove.
* nix/libutil/hash.cc (Hash::Hash): Use 'gcry_md_get_algo_dlen'.
| -rw-r--r-- | nix/libutil/hash.cc | 8 | ||||
| -rw-r--r-- | nix/libutil/hash.hh | 17 |
2 files changed, 12 insertions, 13 deletions
diff --git a/nix/libutil/hash.cc b/nix/libutil/hash.cc index ea69aa64f9..251f18f60e 100644 --- a/nix/libutil/hash.cc +++ b/nix/libutil/hash.cc @@ -38,11 +38,9 @@ Hash::Hash() Hash::Hash(HashType type) { this->type = type; - if (type == htMD5) hashSize = md5HashSize; - else if (type == htSHA1) hashSize = sha1HashSize; - else if (type == htSHA256) hashSize = sha256HashSize; - else if (type == htSHA512) hashSize = sha512HashSize; - else throw Error("unknown hash type"); + hashSize = gcry_md_get_algo_dlen(type); + + if (hashSize == 0) throw Error("unknown hash type"); assert(hashSize <= maxHashSize); memset(hash, 0, maxHashSize); } diff --git a/nix/libutil/hash.hh b/nix/libutil/hash.hh index 6b5e47cd8a..7357a34e1d 100644 --- a/nix/libutil/hash.hh +++ b/nix/libutil/hash.hh @@ -1,5 +1,7 @@ #pragma once +#include <gcrypt.h> + #include "types.hh" #include "serialise.hh" @@ -7,16 +9,15 @@ namespace nix { -typedef enum { htUnknown, htMD5, htSHA1, htSHA256, htSHA512 } HashType; - - -const int md5HashSize = 16; -const int sha1HashSize = 20; -const int sha256HashSize = 32; -const int sha512HashSize = 64; - extern const string base32Chars; +typedef enum { + htUnknown = 0, + htMD5 = GCRY_MD_MD5, + htSHA1 = GCRY_MD_SHA1, + htSHA256 = GCRY_MD_SHA256, + htSHA512 = GCRY_MD_SHA512 +} HashType; struct Hash { |