diff --git a/Cargo.lock b/Cargo.lock
index b84ba751ef..ec8ed09f45 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -133,12 +133,6 @@ version = "1.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d468802bab17cbc0cc575e9b053f41e72aa36bfa6b7f55e3529ffa43161b97fa"
 
-[[package]]
-name = "base16ct"
-version = "0.1.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "349a06037c7bf932dd7e7d1f653678b2038b9ad46a74102f1fc7bd7872678cce"
-
 [[package]]
 name = "base16ct"
 version = "0.2.0"
@@ -555,11 +549,11 @@ dependencies = [
  "caliptra-image-types",
  "caliptra-lms-types",
  "cfg-if 1.0.0",
- "ecdsa 0.16.9",
+ "ecdsa",
  "openssl",
  "p384",
  "rand",
- "sec1 0.7.3",
+ "sec1",
  "sha2",
  "zerocopy",
 ]
@@ -959,9 +953,9 @@ dependencies = [
 
 [[package]]
 name = "clap"
-version = "3.2.23"
+version = "3.2.25"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "71655c45cb9845d3270c9d6df84ebe72b4dad3c2ba3f7023ad47c144e4e473a5"
+checksum = "4ea181bf566f71cb9a5d17a59e1871af638180a18fb0035c92ae62b705207123"
 dependencies = [
  "bitflags 1.3.2",
  "clap_lex",
@@ -985,8 +979,8 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7b77c319abfd5219629c45c34c89ba945ed3c5e49fcde9d16b6c3885f118a730"
 dependencies = [
  "const-oid",
- "der 0.7.8",
- "spki 0.7.3",
+ "der",
+ "spki",
  "x509-cert",
 ]
 
@@ -1057,18 +1051,6 @@ dependencies = [
  "zeroize",
 ]
 
-[[package]]
-name = "crypto-bigint"
-version = "0.4.9"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ef2b4b23cddf68b89b8f8069890e8c270d54e2d5fe1b143820234805e4cb17ef"
-dependencies = [
- "generic-array",
- "rand_core",
- "subtle",
- "zeroize",
-]
-
 [[package]]
 name = "crypto-bigint"
 version = "0.5.5"
@@ -1154,17 +1136,6 @@ version = "2.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c2e66c9d817f1720209181c316d28635c050fa304f9c79e47a520882661b7308"
 
-[[package]]
-name = "der"
-version = "0.6.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f1a467a65c5e759bce6e65eaf91cc29f466cdc57cb65777bd646872a8a1fd4de"
-dependencies = [
- "const-oid",
- "pem-rfc7468 0.6.0",
- "zeroize",
-]
-
 [[package]]
 name = "der"
 version = "0.7.8"
@@ -1174,7 +1145,7 @@ dependencies = [
  "const-oid",
  "der_derive",
  "flagset",
- "pem-rfc7468 0.7.0",
+ "pem-rfc7468",
  "zeroize",
 ]
 
@@ -1259,28 +1230,18 @@ dependencies = [
  "zeroize",
 ]
 
-[[package]]
-name = "ecdsa"
-version = "0.14.8"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "413301934810f597c1d19ca71c8710e99a3f1ba28a0d2ebc01551a2daeea3c5c"
-dependencies = [
- "der 0.6.1",
- "elliptic-curve 0.12.3",
- "rfc6979",
- "signature 1.6.4",
-]
-
 [[package]]
 name = "ecdsa"
 version = "0.16.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ee27f32b5c5292967d2d4a9d7f1e0b0aed2c15daded5a60300e4abb9d8020bca"
 dependencies = [
- "der 0.7.8",
+ "der",
  "digest",
- "elliptic-curve 0.13.8",
- "signature 2.2.0",
+ "elliptic-curve",
+ "rfc6979",
+ "signature",
+ "spki",
 ]
 
 [[package]]
@@ -1289,44 +1250,23 @@ version = "0.7.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e2b183d6ce6ca4cf30e3db37abf5b52568b5f9015c97d9fbdd7026aa5dcdd758"
 
-[[package]]
-name = "elliptic-curve"
-version = "0.12.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e7bb888ab5300a19b8e5bceef25ac745ad065f3c9f7efc6de1b91958110891d3"
-dependencies = [
- "base16ct 0.1.1",
- "crypto-bigint 0.4.9",
- "der 0.6.1",
- "digest",
- "ff 0.12.1",
- "generic-array",
- "group 0.12.1",
- "hkdf",
- "pem-rfc7468 0.6.0",
- "pkcs8 0.9.0",
- "rand_core",
- "sec1 0.3.0",
- "subtle",
- "zeroize",
-]
-
 [[package]]
 name = "elliptic-curve"
 version = "0.13.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b5e6043086bf7973472e0c7dff2142ea0b680d30e18d9cc40f267efbf222bd47"
 dependencies = [
- "base16ct 0.2.0",
- "crypto-bigint 0.5.5",
+ "base16ct",
+ "crypto-bigint",
  "digest",
- "ff 0.13.0",
+ "ff",
  "generic-array",
- "group 0.13.0",
- "pem-rfc7468 0.7.0",
- "pkcs8 0.10.2",
+ "group",
+ "hkdf",
+ "pem-rfc7468",
+ "pkcs8",
  "rand_core",
- "sec1 0.7.3",
+ "sec1",
  "subtle",
  "zeroize",
 ]
@@ -1350,16 +1290,6 @@ dependencies = [
  "instant",
 ]
 
-[[package]]
-name = "ff"
-version = "0.12.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d013fc25338cc558c5c2cfbad646908fb23591e2404481826742b651c9af7160"
-dependencies = [
- "rand_core",
- "subtle",
-]
-
 [[package]]
 name = "ff"
 version = "0.13.0"
@@ -1524,24 +1454,13 @@ dependencies = [
  "wasi",
 ]
 
-[[package]]
-name = "group"
-version = "0.12.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5dfbfb3a6cfbd390d5c9564ab283a0349b9b9fcd46a706c1eb10e0db70bfbac7"
-dependencies = [
- "ff 0.12.1",
- "rand_core",
- "subtle",
-]
-
 [[package]]
 name = "group"
 version = "0.13.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f0f9ef7462f7c099f518d754361858f86d8a07af53ba9af0fe635bbccb151a63"
 dependencies = [
- "ff 0.13.0",
+ "ff",
  "rand_core",
  "subtle",
 ]
@@ -1890,18 +1809,19 @@ dependencies = [
 
 [[package]]
 name = "os_str_bytes"
-version = "6.5.0"
+version = "6.6.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ceedf44fb00f2d1984b0bc98102627ce622e083e49a5bacdb3e514fa4238e267"
+checksum = "e2355d85b9a3786f481747ced0e0ff2ba35213a1f9bd406ed906554d7af805a1"
 
 [[package]]
 name = "p384"
-version = "0.11.2"
+version = "0.13.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "dfc8c5bf642dde52bb9e87c0ecd8ca5a76faac2eeed98dedb7c717997e1080aa"
+checksum = "70786f51bcc69f6a4c0360e063a4cac5419ef7c5cd5b3c99ad70f3be5ba79209"
 dependencies = [
- "ecdsa 0.14.8",
- "elliptic-curve 0.12.3",
+ "ecdsa",
+ "elliptic-curve",
+ "primeorder",
  "sha2",
 ]
 
@@ -1934,15 +1854,6 @@ version = "1.0.12"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9f746c4065a8fa3fe23974dd82f15431cc8d40779821001404d10d2e79ca7d79"
 
-[[package]]
-name = "pem-rfc7468"
-version = "0.6.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "24d159833a9105500e0398934e205e0773f0b27529557134ecfc51c27646adac"
-dependencies = [
- "base64ct",
-]
-
 [[package]]
 name = "pem-rfc7468"
 version = "0.7.0"
@@ -1964,24 +1875,14 @@ version = "0.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8b870d8c151b6f2fb93e84a13146138f05d02ed11c7e7c54f8826aaaf7c9f184"
 
-[[package]]
-name = "pkcs8"
-version = "0.9.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9eca2c590a5f85da82668fa685c09ce2888b9430e83299debf1f34b65fd4a4ba"
-dependencies = [
- "der 0.6.1",
- "spki 0.6.0",
-]
-
 [[package]]
 name = "pkcs8"
 version = "0.10.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f950b2377845cebe5cf8b5165cb3cc1a5e0fa5cfa3e1f7f55707d8fd82e0a7b7"
 dependencies = [
- "der 0.7.8",
- "spki 0.7.3",
+ "der",
+ "spki",
 ]
 
 [[package]]
@@ -2005,6 +1906,15 @@ version = "0.2.17"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "5b40af805b3121feab8a3c29f04d8ad262fa8e0561883e7653e024ae4479e6de"
 
+[[package]]
+name = "primeorder"
+version = "0.13.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "353e1ca18966c16d9deb1c69278edbc5f194139612772bd9537af60ac231e1e6"
+dependencies = [
+ "elliptic-curve",
+]
+
 [[package]]
 name = "proc-macro2"
 version = "1.0.78"
@@ -2093,13 +2003,12 @@ checksum = "c08c74e62047bb2de4ff487b251e4a92e24f48745648451635cec7d591162d9f"
 
 [[package]]
 name = "rfc6979"
-version = "0.3.1"
+version = "0.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7743f17af12fa0b03b803ba12cd6a8d9483a587e89c69445e3909655c0b9fabb"
+checksum = "f8dd2a808d456c4a54e300a23e9f5a67e122c3024119acbfd73e3bf664491cb2"
 dependencies = [
- "crypto-bigint 0.4.9",
  "hmac",
- "zeroize",
+ "subtle",
 ]
 
 [[package]]
@@ -2143,30 +2052,16 @@ version = "1.0.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1792db035ce95be60c3f8853017b3999209281c24e2ba5bc8e59bf97a0c590c1"
 
-[[package]]
-name = "sec1"
-version = "0.3.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3be24c1842290c45df0a7bf069e0c268a747ad05a192f2fd7dcfdbc1cba40928"
-dependencies = [
- "base16ct 0.1.1",
- "der 0.6.1",
- "generic-array",
- "pkcs8 0.9.0",
- "subtle",
- "zeroize",
-]
-
 [[package]]
 name = "sec1"
 version = "0.7.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d3e97a565f76233a6003f9f5c54be1d9c5bdfa3eccfb189469f11ec4901c47dc"
 dependencies = [
- "base16ct 0.2.0",
- "der 0.7.8",
+ "base16ct",
+ "der",
  "generic-array",
- "pkcs8 0.10.2",
+ "pkcs8",
  "subtle",
  "zeroize",
 ]
@@ -2257,16 +2152,6 @@ dependencies = [
  "keccak",
 ]
 
-[[package]]
-name = "signature"
-version = "1.6.4"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "74233d3b3b2f6d4b006dc19dee745e73e2a6bfb6f93607cd3b02bd5b00797d7c"
-dependencies = [
- "digest",
- "rand_core",
-]
-
 [[package]]
 name = "signature"
 version = "2.2.0"
@@ -2312,16 +2197,6 @@ dependencies = [
  "syn 1.0.109",
 ]
 
-[[package]]
-name = "spki"
-version = "0.6.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "67cf02bbac7a337dc36e4f5a693db6c21e7863f45070f7064577eb4367a3212b"
-dependencies = [
- "base64ct",
- "der 0.6.1",
-]
-
 [[package]]
 name = "spki"
 version = "0.7.3"
@@ -2329,7 +2204,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d91ed6c858b01f942cd56b37a94b3e0a1798290327d1236e4d9cf4eaca44d29d"
 dependencies = [
  "base64ct",
- "der 0.7.8",
+ "der",
 ]
 
 [[package]]
@@ -2402,9 +2277,9 @@ dependencies = [
 
 [[package]]
 name = "textwrap"
-version = "0.16.0"
+version = "0.16.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "222a222a5bfe1bba4a77b45ec488a741b3cb8872e5e499451fd7d0129c9c7c3d"
+checksum = "23d434d3f8967a09480fb04132ebe0a3e088c173e6d0ee7897abbdf4eab0f8b9"
 
 [[package]]
 name = "thiserror"
@@ -2955,8 +2830,8 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1301e935010a701ae5f8655edc0ad17c44bad3ac5ce8c39185f75453b720ae94"
 dependencies = [
  "const-oid",
- "der 0.7.8",
- "spki 0.7.3",
+ "der",
+ "spki",
 ]
 
 [[package]]
diff --git a/Cargo.toml b/Cargo.toml
index 87ab14e815..7f25fea2bc 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -151,11 +151,11 @@ libusb1-sys = "0.6.4"
 memoffset = "0.8.0"
 once_cell = "1.13"
 openssl = { version = "0.10", features = ["vendored"] }
-p384 = "0.11.2"
+p384 = "0.13.0"
 proc-macro2 = "1.0.66"
 quote = "1.0"
 rand = "0.8"
-rfc6979 = "0.3.0"
+rfc6979 = "0.4.0"
 rusb = "0.9.3"
 serde = "1.0"
 serde_derive = "1.0.136"
diff --git a/sw-emulator/lib/crypto/src/ecc384.rs b/sw-emulator/lib/crypto/src/ecc384.rs
index 20dd13170b..6736ba6cbb 100644
--- a/sw-emulator/lib/crypto/src/ecc384.rs
+++ b/sw-emulator/lib/crypto/src/ecc384.rs
@@ -106,8 +106,8 @@ impl From<Signature> for Ecc384Signature {
     /// Converts to this type from the input type.
     fn from(ecc_sig: Signature) -> Self {
         let mut sig = Self::default();
-        sig.r.copy_from_slice(ecc_sig.r().to_be_bytes().as_slice());
-        sig.s.copy_from_slice(ecc_sig.s().to_be_bytes().as_slice());
+        sig.r.copy_from_slice(ecc_sig.r().to_bytes().as_slice());
+        sig.s.copy_from_slice(ecc_sig.s().to_bytes().as_slice());
         sig
     }
 }
@@ -162,7 +162,7 @@ impl Ecc384 {
 
         let mut drbg = HmacDrbg::<Sha384>::new(&seed_reversed, &nonce_reversed, &[]);
         drbg.fill_bytes(&mut priv_key);
-        let signing_key = SigningKey::from_bytes(&priv_key).unwrap();
+        let signing_key = SigningKey::from_slice(&priv_key).unwrap();
         let verifying_key = signing_key.verifying_key();
         let ecc_point = verifying_key.to_encoded_point(false);
 
@@ -193,8 +193,8 @@ impl Ecc384 {
         priv_key_reversed.to_little_endian();
         hash_reversed.to_little_endian();
 
-        let signing_key = SigningKey::from_bytes(&priv_key_reversed).unwrap();
-        let ecc_sig = signing_key.sign_prehash(&hash_reversed).unwrap();
+        let signing_key = SigningKey::from_slice(&priv_key_reversed).unwrap();
+        let ecc_sig: Signature = signing_key.sign_prehash(&hash_reversed).unwrap();
 
         let mut signature: Ecc384Signature = ecc_sig.into();
 
@@ -233,7 +233,8 @@ impl Ecc384 {
         signature_reversed.s.to_little_endian();
 
         let verifying_key = VerifyingKey::from_encoded_point(&pub_key_reversed.into()).unwrap();
-        let result = verifying_key.verify_prehash(&hash_reversed, &signature_reversed.into());
+        let result =
+            verifying_key.verify_prehash(&hash_reversed, &Signature::from(signature_reversed));
         if result.is_ok() {
             signature.r
         } else {