diff --git a/partitions/dice_protection_environment/CMakeLists.txt b/partitions/dice_protection_environment/CMakeLists.txt
index 1b5413f..447ee8a 100644
--- a/partitions/dice_protection_environment/CMakeLists.txt
+++ b/partitions/dice_protection_environment/CMakeLists.txt
@@ -21,6 +21,7 @@
     PRIVATE
         dpe_cmd_decode.c
         dpe_impl.c
+        dpe_log.c
         dpe_req_mngr.c
 )
 
diff --git a/partitions/dice_protection_environment/dpe_impl.c b/partitions/dice_protection_environment/dpe_impl.c
index 563957e..8167a4f 100644
--- a/partitions/dice_protection_environment/dpe_impl.c
+++ b/partitions/dice_protection_environment/dpe_impl.c
@@ -9,6 +9,8 @@
 
 #include <string.h>
 
+#include "dpe_log.h"
+
 dpe_error_t dpe_derive_child_impl(int context_handle,
                                   bool retain_parent_context,
                                   bool allow_child_to_derive,
@@ -17,6 +19,9 @@
                                   int *child_context_handle,
                                   int *new_context_handle)
 {
+    log_derive_child(context_handle, retain_parent_context,
+                     allow_child_to_derive, create_certificate, dice_inputs);
+
     *child_context_handle = 123;
     *new_context_handle = 456;
 
@@ -37,6 +42,9 @@
                                  size_t *derived_public_key_actual_size,
                                  int *new_context_handle)
 {
+    log_certify_key(context_handle, retain_context, public_key, public_key_size,
+                    label, label_size);
+
     memcpy(certificate_chain_buf, "abc", 4);
     *certificate_chain_actual_size = 4;
     memcpy(derived_public_key_buf, "def", 4);
diff --git a/partitions/dice_protection_environment/dpe_log.c b/partitions/dice_protection_environment/dpe_log.c
new file mode 100644
index 0000000..a290891
--- /dev/null
+++ b/partitions/dice_protection_environment/dpe_log.c
@@ -0,0 +1,83 @@
+/*
+ * Copyright (c) 2023, Arm Limited. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ *
+ */
+
+#include "dpe_log.h"
+
+#if (TFM_PARTITION_LOG_LEVEL >= TFM_PARTITION_LOG_LEVEL_DEBUG)
+
+static void print_byte_array(const uint8_t *array, size_t len)
+{
+    size_t i;
+
+    if (array != NULL) {
+        for (i = 0; i < len; ++i) {
+            if ((i & 0xF) == 0) {
+                LOG_DBGFMT("\r\n   ");
+            }
+            if (array[i] < 0x10) {
+                LOG_DBGFMT(" 0%x", array[i]);
+            } else {
+                LOG_DBGFMT(" %x", array[i]);
+            }
+        }
+    }
+
+    LOG_DBGFMT("\r\n");
+}
+
+static void log_dice_inputs(const DiceInputValues *input)
+{
+    LOG_DBGFMT(" - DICE code_hash =");
+    print_byte_array(input->code_hash, sizeof(input->code_hash));
+    LOG_DBGFMT(" - DICE code_descriptor =");
+    print_byte_array(input->code_descriptor, input->code_descriptor_size);
+    LOG_DBGFMT(" - DICE config_type = %d\r\n", input->config_type);
+    LOG_DBGFMT(" - DICE config_value =");
+    print_byte_array(input->config_value, sizeof(input->config_value));
+    LOG_DBGFMT(" - DICE config_descriptor =");
+    print_byte_array(input->config_descriptor, input->config_descriptor_size);
+    LOG_DBGFMT(" - DICE authority_hash =");
+    print_byte_array(input->authority_hash, sizeof(input->authority_hash));
+    LOG_DBGFMT(" - DICE authority_descriptor =");
+    print_byte_array(input->authority_descriptor,
+                     input->authority_descriptor_size);
+    LOG_DBGFMT(" - DICE mode = %d\r\n", input->mode);
+    LOG_DBGFMT(" - DICE hidden =");
+    print_byte_array(input->hidden, sizeof(input->hidden));
+}
+
+void log_derive_child(int context_handle,
+                      bool retain_parent_context,
+                      bool allow_child_to_derive,
+                      bool create_certificate,
+                      const DiceInputValues *dice_inputs)
+{
+    LOG_DBGFMT("DPE DeriveChild:\r\n");
+    LOG_DBGFMT(" - context_handle = %d\r\n", context_handle);
+    LOG_DBGFMT(" - retain_parent_context = %d\r\n", retain_parent_context);
+    LOG_DBGFMT(" - allow_child_to_derive = %d\r\n", allow_child_to_derive);
+    LOG_DBGFMT(" - create_certificate = %d\r\n", create_certificate);
+    log_dice_inputs(dice_inputs);
+}
+
+void log_certify_key(int context_handle,
+                     bool retain_context,
+                     const uint8_t *public_key,
+                     size_t public_key_size,
+                     const uint8_t *label,
+                     size_t label_size)
+{
+    LOG_DBGFMT("DPE CertifyKey:\r\n");
+    LOG_DBGFMT(" - context_handle = %d\r\n", context_handle);
+    LOG_DBGFMT(" - retain_context = %d\r\n", retain_context);
+    LOG_DBGFMT(" - public_key =");
+    print_byte_array(public_key, public_key_size);
+    LOG_DBGFMT(" - label =");
+    print_byte_array(label, label_size);
+}
+
+#endif /* TFM_PARTITION_LOG_LEVEL */
diff --git a/partitions/dice_protection_environment/dpe_log.h b/partitions/dice_protection_environment/dpe_log.h
new file mode 100644
index 0000000..d30b2a3
--- /dev/null
+++ b/partitions/dice_protection_environment/dpe_log.h
@@ -0,0 +1,50 @@
+/*
+ * Copyright (c) 2023, Arm Limited. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ *
+ */
+
+#ifndef __DPE_LOG_H__
+#define __DPE_LOG_H__
+
+#include "dice_protection_environment.h"
+#include "tfm_sp_log.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#if (TFM_PARTITION_LOG_LEVEL >= TFM_PARTITION_LOG_LEVEL_DEBUG)
+
+/**
+ * \brief Log the derive child command parameters.
+ */
+void log_derive_child(int context_handle,
+                      bool retain_parent_context,
+                      bool allow_child_to_derive,
+                      bool create_certificate,
+                      const DiceInputValues *dice_inputs);
+
+/**
+ * \brief Log the certify key command parameters.
+ */
+void log_certify_key(int context_handle,
+                     bool retain_context,
+                     const uint8_t *public_key,
+                     size_t public_key_size,
+                     const uint8_t *label,
+                     size_t label_size);
+
+#else /* TFM_PARTITION_LOG_LEVEL */
+
+#define log_derive_child(...)
+#define log_certify_key(...)
+
+#endif /* TFM_PARTITION_LOG_LEVEL */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __DPE_LOG_H__ */