diff --git a/package-21.02/kernel/crypto-eip/src/ddk/kit/log/log.c b/package-21.02/kernel/crypto-eip/src/ddk/kit/log/log.c
new file mode 100644
index 0000000..84473f9
--- /dev/null
+++ b/package-21.02/kernel/crypto-eip/src/ddk/kit/log/log.c
@@ -0,0 +1,128 @@
+/* log.c
+ *
+ * Log implementation for specific environment
+ */
+
+/*****************************************************************************
+* Copyright (c) 2008-2020 by Rambus, Inc. and/or its subsidiaries.
+*
+* This program is free software: you can redistribute it and/or modify
+* it under the terms of the GNU General Public License as published by
+* the Free Software Foundation, either version 2 of the License, or
+* any later version.
+*
+* This program is distributed in the hope that it will be useful,
+* but WITHOUT ANY WARRANTY; without even the implied warranty of
+* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+* GNU General Public License for more details.
+*
+* You should have received a copy of the GNU General Public License
+* along with this program. If not, see <http://www.gnu.org/licenses/>.
+*****************************************************************************/
+
+#define LOG_SEVERITY_MAX  LOG_SEVERITY_NO_OUTPUT
+
+// Logging API
+#include "log.h"            // the API to implement
+
+
+/*----------------------------------------------------------------------------
+ * Log_HexDump
+ *
+ * This function logs Hex Dump of a Buffer
+ *
+ * szPrefix
+ *     Prefix to be printed on every row.
+ *
+ * PrintOffset
+ *     Offset value that is printed at the start of every row. Can be used
+ *     when the byte printed are located at some offset in another buffer.
+ *
+ * Buffer_p
+ *     Pointer to the start of the array of bytes to hex dump.
+ *
+ * ByteCount
+ *     Number of bytes to include in the hex dump from Buffer_p.
+ *
+ * Return Value
+ *     None.
+ */
+void
+Log_HexDump(
+        const char * szPrefix_p,
+        const unsigned int PrintOffset,
+        const uint8_t * Buffer_p,
+        const unsigned int ByteCount)
+{
+    unsigned int i;
+
+    for(i = 0; i < ByteCount; i += 16)
+    {
+        unsigned int j, Limit;
+
+        // if we do not have enough data for a full line
+        if (i + 16 > ByteCount)
+            Limit = ByteCount - i;
+        else
+            Limit = 16;
+
+        Log_FormattedMessage("%s %08d:", szPrefix_p, PrintOffset + i);
+
+        for (j = 0; j < Limit; j++)
+            Log_FormattedMessage(" %02X", Buffer_p[i+j]);
+
+        Log_FormattedMessage("\n");
+    } // for
+}
+
+
+/*----------------------------------------------------------------------------
+ * Log_HexDump32
+ *
+ * This function logs Hex Dump of an array of 32-bit words
+ *
+ * szPrefix
+ *     Prefix to be printed on every row.
+ *
+ * PrintOffset
+ *     Offset value that is printed at the start of every row. Can be used
+ *     when the byte printed are located at some offset in another buffer.
+ *
+ * Buffer_p
+ *     Pointer to the start of the array of 32-bit words to hex dump.
+ *
+ * Word32Count
+ *     Number of 32-bit words to include in the hex dump from Buffer_p.
+ *
+ * Return Value
+ *     None.
+ */
+void
+Log_HexDump32(
+        const char * szPrefix_p,
+        const unsigned int PrintOffset,
+        const uint32_t * Buffer_p,
+        const unsigned int Word32Count)
+{
+    unsigned int i;
+
+    for(i = 0; i < Word32Count; i += 4)
+    {
+        unsigned int j, Limit;
+
+        // if we do not have enough data for a full line
+        if (i + 4 > Word32Count)
+            Limit = Word32Count - i;
+        else
+            Limit = 4;
+
+        Log_FormattedMessage("%s %08d:", szPrefix_p, PrintOffset + i*4);
+
+        for (j = 0; j < Limit; j++)
+            Log_FormattedMessage(" %08X", Buffer_p[i+j]);
+
+        Log_FormattedMessage("\n");
+    } // for
+}
+
+/* end of file log.c */