diff --git a/.changes/bump-iota-crypto.md b/.changes/bump-iota-crypto.md
new file mode 100644
index 000000000..1ddeae0c7
--- /dev/null
+++ b/.changes/bump-iota-crypto.md
@@ -0,0 +1,5 @@
+---
+"iota-stronghold": minor
+---
+
+Bump `iota-crypto` version to 0.18.0.
diff --git a/bindings/native/Cargo.toml b/bindings/native/Cargo.toml
index f0ed6e13c..dcbf3a51c 100644
--- a/bindings/native/Cargo.toml
+++ b/bindings/native/Cargo.toml
@@ -23,7 +23,7 @@ iota_stronghold         = { package = "iota_stronghold",   path = "../../client/
 engine                  = { package = "stronghold_engine",  path = "../../engine", version = "1.0.0" }
 tokio                   = { version = "1.15.0", features = ["full"] }
 base64                  = { version = "0.13.0" }
-iota-crypto = { version = "0.15.1", default-features = false, features = [
+iota-crypto = { version = "0.18.0", default-features = false, features = [
   "aes-gcm",
   "aes-kw",
   "random",
diff --git a/client/Cargo.toml b/client/Cargo.toml
index 0cc6742ce..d2406a3a0 100644
--- a/client/Cargo.toml
+++ b/client/Cargo.toml
@@ -20,7 +20,7 @@ insecure = [ ]
 thiserror = { version = "1.0.30" }
 zeroize = { version = "1.5.7", default-features = false, features = [ "zeroize_derive" ] }
 serde = { version = "1.0", features = [ "derive" ] }
-iota-crypto = { version = "0.15.1", default-features = false, features = [
+iota-crypto = { version = "0.18.0", default-features = false, features = [
   "aes-gcm",
   "blake2b",
   "aes-kw",
diff --git a/client/src/procedures/primitives.rs b/client/src/procedures/primitives.rs
index 285928944..9aa53862d 100644
--- a/client/src/procedures/primitives.rs
+++ b/client/src/procedures/primitives.rs
@@ -736,7 +736,7 @@ pub struct Pbkdf2Hmac {
 
     pub salt: Vec<u8>,
 
-    pub count: u32,
+    pub count: core::num::NonZeroU32,
 
     pub output: Location,
 }
@@ -748,17 +748,17 @@ impl GenerateSecret for Pbkdf2Hmac {
         let secret = match self.hash_type {
             Sha2Hash::Sha256 => {
                 let mut buffer = [0; SHA256_LEN];
-                PBKDF2_HMAC_SHA256(&self.password, &self.salt, self.count as usize, &mut buffer)?;
+                PBKDF2_HMAC_SHA256(&self.password, &self.salt, self.count, &mut buffer);
                 buffer.to_vec()
             }
             Sha2Hash::Sha384 => {
                 let mut buffer = [0; SHA384_LEN];
-                PBKDF2_HMAC_SHA384(&self.password, &self.salt, self.count as usize, &mut buffer)?;
+                PBKDF2_HMAC_SHA384(&self.password, &self.salt, self.count, &mut buffer);
                 buffer.to_vec()
             }
             Sha2Hash::Sha512 => {
                 let mut buffer = [0; SHA512_LEN];
-                PBKDF2_HMAC_SHA512(&self.password, &self.salt, self.count as usize, &mut buffer)?;
+                PBKDF2_HMAC_SHA512(&self.password, &self.salt, self.count, &mut buffer);
                 buffer.to_vec()
             }
         };
diff --git a/engine/Cargo.toml b/engine/Cargo.toml
index 9c0831bd7..3acb0a522 100644
--- a/engine/Cargo.toml
+++ b/engine/Cargo.toml
@@ -37,7 +37,7 @@ serde = { version = "1.0", features = [ "derive" ] }
   default-features = false
 
   [dependencies.iota-crypto]
-  version = "0.15.1"
+  version = "0.18.0"
   features = [
   "random",
   "chacha",
diff --git a/engine/fuzz/Cargo.toml b/engine/fuzz/Cargo.toml
index 7199e368c..5404022c1 100644
--- a/engine/fuzz/Cargo.toml
+++ b/engine/fuzz/Cargo.toml
@@ -18,7 +18,7 @@ path = "../"
 version = "0.4"
 
 [dependencies.iota-crypto]
-version = "0.7.0"
+version = "0.18.0"
 features = [ "random", "chacha" ]
 default-features= false
 
diff --git a/engine/runtime/Cargo.toml b/engine/runtime/Cargo.toml
index 7ac0cd377..596b7eb63 100644
--- a/engine/runtime/Cargo.toml
+++ b/engine/runtime/Cargo.toml
@@ -24,7 +24,7 @@ serde = { version = "1.0", features = [ "derive" ] }
 random = { version = "0.8.4", package = "rand" }
 dirs = { version = "4.0.0" }
 thiserror = { version = "1.0" }
-iota-crypto = { version = "0.15.1", default-features = false, features = [ "blake2b" ] }
+iota-crypto = { version = "0.18.0", default-features = false, features = [ "blake2b" ] }
 
 [target."cfg(windows)".dependencies]
 windows = { version = "0.36.0", features = [