diff --git a/modules/encoders/hash/bcrypt/secgen_metadata.xml b/modules/encoders/hash/bcrypt/secgen_metadata.xml
index e4c42d44b..947549d9c 100644
--- a/modules/encoders/hash/bcrypt/secgen_metadata.xml
+++ b/modules/encoders/hash/bcrypt/secgen_metadata.xml
@@ -12,6 +12,7 @@
   <type>bcrypt</type>
   <platform>linux</platform>
   <platform>windows</platform>
+  <difficulty>high</difficulty>
 
   <read_fact>strings_to_encode</read_fact>
   <read_fact>salt</read_fact>
diff --git a/modules/encoders/hash/sha3-224/secgen_metadata.xml b/modules/encoders/hash/sha3-224/secgen_metadata.xml
index fee284a2f..1b887aadf 100644
--- a/modules/encoders/hash/sha3-224/secgen_metadata.xml
+++ b/modules/encoders/hash/sha3-224/secgen_metadata.xml
@@ -12,6 +12,7 @@
   <type>sha3_224</type>
   <platform>linux</platform>
   <platform>windows</platform>
+  <difficulty>high</difficulty>
 
   <read_fact>strings_to_encode</read_fact>
   <read_fact>salt</read_fact>
diff --git a/modules/encoders/hash/sha3-256/secgen_metadata.xml b/modules/encoders/hash/sha3-256/secgen_metadata.xml
index d14f45911..87766aca3 100644
--- a/modules/encoders/hash/sha3-256/secgen_metadata.xml
+++ b/modules/encoders/hash/sha3-256/secgen_metadata.xml
@@ -12,6 +12,7 @@
   <type>sha3_256</type>
   <platform>linux</platform>
   <platform>windows</platform>
+  <difficulty>high</difficulty>
 
   <read_fact>strings_to_encode</read_fact>
   <read_fact>salt</read_fact>
diff --git a/modules/encoders/hash/sha3-384/secgen_metadata.xml b/modules/encoders/hash/sha3-384/secgen_metadata.xml
index ddb3d8fa0..03e1e9bd2 100644
--- a/modules/encoders/hash/sha3-384/secgen_metadata.xml
+++ b/modules/encoders/hash/sha3-384/secgen_metadata.xml
@@ -12,6 +12,7 @@
   <type>sha3_384</type>
   <platform>linux</platform>
   <platform>windows</platform>
+  <difficulty>high</difficulty>
 
   <read_fact>strings_to_encode</read_fact>
   <read_fact>salt</read_fact>
diff --git a/modules/encoders/hash/sha3-512/secgen_metadata.xml b/modules/encoders/hash/sha3-512/secgen_metadata.xml
index 82c7bed00..91e0f7dd0 100644
--- a/modules/encoders/hash/sha3-512/secgen_metadata.xml
+++ b/modules/encoders/hash/sha3-512/secgen_metadata.xml
@@ -12,6 +12,7 @@
   <type>sha3_512</type>
   <platform>linux</platform>
   <platform>windows</platform>
+  <difficulty>high</difficulty>
 
   <read_fact>strings_to_encode</read_fact>
   <read_fact>salt</read_fact>
diff --git a/modules/encoders/hash/siphash/secgen_metadata.xml b/modules/encoders/hash/siphash/secgen_metadata.xml
index c48bcc3f9..74205906f 100644
--- a/modules/encoders/hash/siphash/secgen_metadata.xml
+++ b/modules/encoders/hash/siphash/secgen_metadata.xml
@@ -12,6 +12,7 @@
   <type>siphash</type>
   <platform>linux</platform>
   <platform>windows</platform>
+  <difficulty>high</difficulty>
 
   <read_fact>strings_to_encode</read_fact>
   <read_fact>salt</read_fact>