diff --git a/tss-esapi/src/abstraction/ak.rs b/tss-esapi/src/abstraction/ak.rs
index cb0ccac3..79bd3db1 100644
--- a/tss-esapi/src/abstraction/ak.rs
+++ b/tss-esapi/src/abstraction/ak.rs
@@ -56,7 +56,26 @@ const POLICY_C_SM3_256: [u8; 32] = [
     0x56, 0x99, 0xa3, 0xe3, 0x9f, 0xc3, 0x55, 0x1b, 0xfe, 0xff, 0xcf, 0x13, 0x2b, 0x49, 0xe1, 0x1d,
 ];
 
+/// Creates a Public object for an AK key.
 fn create_ak_public<IKC: IntoKeyCustomization>(
+    key_alg: AsymmetricAlgorithm,
+    hash_alg: HashingAlgorithm,
+    sign_alg: SignatureSchemeAlgorithm,
+    key_customization: IKC,
+) -> Result<Public> {
+    create_ak_public_2(
+        AsymmetricAlgorithmSelection::try_from(key_alg)?,
+        hash_alg,
+        sign_alg,
+        key_customization,
+    )
+}
+
+/// Creates a Public object for an AK key.
+///
+/// # Details
+/// This is only replace the `create_ak` API in the next major version.
+fn create_ak_public_2<IKC: IntoKeyCustomization>(
     key_alg: AsymmetricAlgorithmSelection,
     hash_alg: HashingAlgorithm,
     sign_alg: SignatureSchemeAlgorithm,
@@ -228,8 +247,36 @@ pub fn load_ak(
     Ok(key_handle)
 }
 
-/// This creates an Attestation Key in the Endorsement hierarchy
+/// This creates an Attestation Key in the Endorsement hierarchy.
 pub fn create_ak<IKC: IntoKeyCustomization>(
+    context: &mut Context,
+    parent: KeyHandle,
+    hash_alg: HashingAlgorithm,
+    sign_alg: SignatureSchemeAlgorithm,
+    ak_auth_value: Option<Auth>,
+    key_customization: IKC,
+) -> Result<CreateKeyResult> {
+    let key_alg = AsymmetricAlgorithm::try_from(sign_alg).map_err(|e| {
+        // sign_alg is either HMAC or Null.
+        error!("Could not retrieve asymmetric algorithm for provided signature scheme");
+        e
+    })?;
+    create_ak_2(
+        context,
+        parent,
+        hash_alg,
+        AsymmetricAlgorithmSelection::try_from(key_alg)?,
+        sign_alg,
+        ak_auth_value,
+        key_customization,
+    )
+}
+
+/// This creates an Attestation Key in the Endorsement hierarchy.
+///
+/// # Details
+/// This is only replace the `create_ak` API in the next major version.
+pub fn create_ak_2<IKC: IntoKeyCustomization>(
     context: &mut Context,
     parent: KeyHandle,
     hash_alg: HashingAlgorithm,
diff --git a/tss-esapi/src/abstraction/ek.rs b/tss-esapi/src/abstraction/ek.rs
index df13e76b..822b46fe 100644
--- a/tss-esapi/src/abstraction/ek.rs
+++ b/tss-esapi/src/abstraction/ek.rs
@@ -61,6 +61,25 @@ const AUTH_POLICY_B_SM3_256: [u8; 32] = [
 /// Source: TCG EK Credential Profile for TPM Family 2.0; Level 0 Version 2.3 Revision 2
 /// Appendix B.3.3 and B.3.4
 pub fn create_ek_public_from_default_template<IKC: IntoKeyCustomization>(
+    alg: AsymmetricAlgorithm,
+    key_customization: IKC,
+) -> Result<Public> {
+    create_ek_public_from_default_template_2(
+        AsymmetricAlgorithmSelection::try_from(alg)?,
+        key_customization,
+    )
+}
+
+/// Get the [`Public`] representing a default Endorsement Key
+///
+/// **Note**: This only works for key algorithms specified in TCG EK Credential Profile for TPM Family 2.0.
+///
+/// Source: TCG EK Credential Profile for TPM Family 2.0; Level 0 Version 2.3 Revision 2
+/// Appendix B.3.3 and B.3.4
+///
+/// # Details
+/// This is only replace the `create_ek_public_from_default_template` API in the next major version.
+pub fn create_ek_public_from_default_template_2<IKC: IntoKeyCustomization>(
     alg: AsymmetricAlgorithmSelection,
     key_customization: IKC,
 ) -> Result<Public> {
@@ -192,6 +211,22 @@ pub fn create_ek_public_from_default_template<IKC: IntoKeyCustomization>(
 
 /// Create the Endorsement Key object from the specification templates
 pub fn create_ek_object<IKC: IntoKeyCustomization>(
+    context: &mut Context,
+    alg: AsymmetricAlgorithm,
+    key_customization: IKC,
+) -> Result<KeyHandle> {
+    create_ek_object_2(
+        context,
+        AsymmetricAlgorithmSelection::try_from(alg)?,
+        key_customization,
+    )
+}
+
+/// Create the Endorsement Key object from the specification templates
+///
+/// # Details
+/// This is only replace the `create_ek_object` API in the next major version.
+pub fn create_ek_object_2<IKC: IntoKeyCustomization>(
     context: &mut Context,
     alg: AsymmetricAlgorithmSelection,
     key_customization: IKC,