diff --git a/libp2p/multihash.nim b/libp2p/multihash.nim
index 349b2e2d6..0b6d7e08e 100644
--- a/libp2p/multihash.nim
+++ b/libp2p/multihash.nim
@@ -15,13 +15,13 @@
 ## 4. SHA3/KECCAK
 ## 5. SHAKE-128/SHAKE-256
 ## 6. BLAKE2s/BLAKE2s
+## 7. SHA1
 ##
 ## Hashes which are not yet supported
-## 1. SHA1
-## 2. SKEIN
-## 3. MURMUR
+## 1. SKEIN
+## 2. MURMUR
 import tables
-import nimcrypto/[sha2, keccak, blake2, hash, utils]
+import nimcrypto/[sha, sha2, keccak, blake2, hash, utils]
 import varint, vbuffer, base58, multicodec, multibase
 
 const
@@ -49,6 +49,13 @@ proc identhash(data: openarray[byte], output: var openarray[byte]) =
                  else: len(data)
     copyMem(addr output[0], unsafeAddr data[0], length)
 
+proc sha1hash(data: openarray[byte], output: var openarray[byte]) =
+  if len(output) > 0:
+    var digest = sha1.digest(data)
+    var length = if sha1.sizeDigest > len(output): len(output)
+                 else: sha1.sizeDigest
+    copyMem(addr output[0], addr digest.data[0], length)
+
 proc dblsha2_256hash(data: openarray[byte], output: var openarray[byte]) =
   if len(output) > 0:
     var digest1 = sha256.digest(data)
@@ -163,6 +170,8 @@ const
   HashesList = [
     MHash(mcodec: multiCodec("identity"), size: 0,
           coder: identhash),
+    MHash(mcodec: multiCodec("sha1"), size: sha1.sizeDigest,
+          coder: sha1hash),
     MHash(mcodec: multiCodec("dbl-sha2-256"), size: sha256.sizeDigest,
           coder: dblsha2_256hash
     ),
diff --git a/tests/testmultihash.nim b/tests/testmultihash.nim
index 7745175d5..26522308b 100644
--- a/tests/testmultihash.nim
+++ b/tests/testmultihash.nim
@@ -1,14 +1,14 @@
 import unittest
+import nimcrypto/utils
 import ../libp2p/multihash
 
 const
   RustTestVectors = [
-    # TODO: SHA1
-    # [
-    #   "sha1",
-    #   "beep boop",
-    #   "11147c8357577f51d4f0a8d393aa1aaafb28863d9421"
-    # ],
+    [
+      "sha1",
+      "beep boop",
+      "11147C8357577F51D4F0A8D393AA1AAAFB28863D9421"
+    ],
     [
       "sha2-256",
       "helloworld",
@@ -22,7 +22,9 @@ const
     [
       "sha2-512",
       "hello world",
-      "1340309ECC489C12D6EB4CC40F50C902F2B4D0ED77EE511A7C7A9BCD3CA86D4CD86F989DD35BC5FF499670DA34255B45B0CFD830E81F605DCF7DC5542E93AE9CD76F"
+      """1340309ECC489C12D6EB4CC40F50C902F2B4D0ED77EE511A7C7A9BCD3CA86D4C
+         D86F989DD35BC5FF499670DA34255B45B0CFD830E81F605DCF7DC5542E93AE9C
+         D76F"""
     ],
     [
       "sha3-224",
@@ -37,12 +39,15 @@ const
     [
       "sha3-384",
       "hello world",
-      "153083BFF28DDE1B1BF5810071C6643C08E5B05BDB836EFFD70B403EA8EA0A634DC4997EB1053AA3593F590F9C63630DD90B"
+      """153083BFF28DDE1B1BF5810071C6643C08E5B05BDB836EFFD70B403EA8EA0A63
+         4DC4997EB1053AA3593F590F9C63630DD90B"""
     ],
     [
       "sha3-512",
       "hello world",
-      "1440840006653E9AC9E95117A15C915CAAB81662918E925DE9E004F774FF82D7079A40D4D27B1B372657C61D46D470304C88C788B3A4527AD074D1DCCBEE5DBAA99A"
+      """1440840006653E9AC9E95117A15C915CAAB81662918E925DE9E004F774FF82D7
+         079A40D4D27B1B372657C61D46D470304C88C788B3A4527AD074D1DCCBEE5DBA
+         A99A"""
     ],
     [
       "keccak-224",
@@ -57,12 +62,15 @@ const
     [
       "keccak-384",
       "hello world",
-      "1C3065FC99339A2A40E99D3C40D695B22F278853CA0F925CDE4254BCAE5E22ECE47E6441F91B6568425ADC9D95B0072EB49F"
+      """1C3065FC99339A2A40E99D3C40D695B22F278853CA0F925CDE4254BCAE5E22ECE4
+         7E6441F91B6568425ADC9D95B0072EB49F"""
     ],
     [
       "keccak-512",
       "hello world",
-      "1D403EE2B40047B8060F68C67242175660F4174D0AF5C01D47168EC20ED619B0B7C42181F40AA1046F39E2EF9EFC6910782A998E0013D172458957957FAC9405B67D"
+      """1D403EE2B40047B8060F68C67242175660F4174D0AF5C01D47168EC20ED619B0
+         B7C42181F40AA1046F39E2EF9EFC6910782A998E0013D172458957957FAC9405
+         B67D"""
     ]
   ]
 
@@ -73,8 +81,8 @@ suite "MultiHash test suite":
       var msg = item[1]
       var bmsg = cast[seq[byte]](msg)
       var mh1 = MultiHash.digest(item[0], bmsg)
-      var mh2 = MultiHash.init(item[2])
+      var mh2 = MultiHash.init(stripSpaces(item[2]))
       check:
-        hex(mh1) == item[2]
+        hex(mh1) == stripSpaces(item[2])
         hex(mh1) == hex(mh2)
         mh1 == mh2