daemon: Recognize SHA3 and BLAKE2s.

* nix/libutil/hash.hh (HashType): Add htSHA3_256, htSHA3_512, and
htBLAKE2s_256.
* nix/libutil/hash.cc (parseHashType, printHashType): Recognize them.
* tests/store.scm ("add-to-store"): Test these algorithms.

2 files changed, 10 insertions, 1 deletions

diff --git a/nix/libutil/hash.cc b/nix/libutil/hash.cc
index 20d2e4b724..7853acdd49 100644
--- a/nix/libutil/hash.cc
+++ b/nix/libutil/hash.cc
@@ -321,6 +321,9 @@ HashType parseHashType(const string & s)
     else if (s == "sha1") return htSHA1;
     else if (s == "sha256") return htSHA256;
     else if (s == "sha512") return htSHA512;
+    else if (s == "sha3-256") return htSHA3_256;
+    else if (s == "sha3-512") return htSHA3_512;
+    else if (s == "blake2s-256") return htBLAKE2s_256;
     else return htUnknown;
 }
 
@@ -331,6 +334,9 @@ string printHashType(HashType ht)
     else if (ht == htSHA1) return "sha1";
     else if (ht == htSHA256) return "sha256";
     else if (ht == htSHA512) return "sha512";
+    else if (ht == htSHA3_256) return "sha3-256";
+    else if (ht == htSHA3_512) return "sha3-512";
+    else if (ht == htBLAKE2s_256) return "blake2s-256";
     else throw Error("cannot print unknown hash type");
 }
 
diff --git a/nix/libutil/hash.hh b/nix/libutil/hash.hh
index 7357a34e1d..ac58651a02 100644
--- a/nix/libutil/hash.hh
+++ b/nix/libutil/hash.hh
@@ -16,7 +16,10 @@ typedef enum {
     htMD5 = GCRY_MD_MD5,
     htSHA1 = GCRY_MD_SHA1,
     htSHA256 = GCRY_MD_SHA256,
-    htSHA512 = GCRY_MD_SHA512
+    htSHA512 = GCRY_MD_SHA512,
+    htSHA3_256 = GCRY_MD_SHA3_256,
+    htSHA3_512 = GCRY_MD_SHA3_512,
+    htBLAKE2s_256 = GCRY_MD_BLAKE2S_256
 } HashType;
 
 struct Hash