From 3fb6b8f30444d41963ba5bdd441123a6d2df17bd Mon Sep 17 00:00:00 2001
From: Ludovic Courtès <ludo@gnu.org>
Date: Tue, 23 Jun 2020 11:46:05 +0200
Subject: 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'.
---
 nix/libutil/hash.hh | 17 +++++++++--------
 1 file changed, 9 insertions(+), 8 deletions(-)

(limited to 'nix/libutil/hash.hh')

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
 {
-- 
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