diff --git a/Source/AwsCommonRuntimeKit/auth/credentials/CredentialsProvider.swift b/Source/AwsCommonRuntimeKit/auth/credentials/CredentialsProvider.swift
index 0d85f371b..34cea7c65 100644
--- a/Source/AwsCommonRuntimeKit/auth/credentials/CredentialsProvider.swift
+++ b/Source/AwsCommonRuntimeKit/auth/credentials/CredentialsProvider.swift
@@ -6,7 +6,7 @@ import AwsCIo
 import AwsCHttp
 import Foundation
 
-public protocol CredentialsProviding: AnyObject {
+public protocol CredentialsProviding {
     func getCredentials() async throws -> Credentials
 }
 
diff --git a/Source/AwsCommonRuntimeKit/crt/ByteBuffer.swift b/Source/AwsCommonRuntimeKit/crt/ByteBuffer.swift
index fda12b827..3aee4f332 100644
--- a/Source/AwsCommonRuntimeKit/crt/ByteBuffer.swift
+++ b/Source/AwsCommonRuntimeKit/crt/ByteBuffer.swift
@@ -70,9 +70,3 @@ extension ByteBuffer: IStreamable {
         return dataSlice.count
     }
 }
-
-extension ByteBuffer {
-    func encodeToHexString() -> String {
-        data.map { String(format: "%02x", $0) }.joined()
-    }
-}
diff --git a/Source/AwsCommonRuntimeKit/crt/Utilities.swift b/Source/AwsCommonRuntimeKit/crt/Utilities.swift
index 7ca980162..22a4ed110 100644
--- a/Source/AwsCommonRuntimeKit/crt/Utilities.swift
+++ b/Source/AwsCommonRuntimeKit/crt/Utilities.swift
@@ -41,7 +41,7 @@ extension String {
 extension Data {
 
     /// Computes the sha256 hash over data.
-    func sha256(truncate: Int = 0, allocator: Allocator = defaultAllocator) throws -> Data {
+    public func sha256(truncate: Int = 0, allocator: Allocator = defaultAllocator) throws -> Data {
         try self.withUnsafeBytes { bufferPointer in
             var byteCursor = aws_byte_cursor_from_array(bufferPointer.baseAddress, count)
             let bufferSize = Int(AWS_SHA256_LEN)
@@ -55,6 +55,10 @@ extension Data {
             return bufferData
         }
     }
+    
+    public func encodeToHexString() -> String {
+        map { String(format: "%02x", $0) }.joined()
+    }
 }
 
 extension aws_date_time {