diff --git a/base64.c b/base64.c
new file mode 100644
index 0000000..fb26100
--- /dev/null
+++ b/base64.c
@@ -0,0 +1,149 @@
+#include "base64.h"
+#include "edk/BaseTypes.h"
+
+#include <stdlib.h>
+#include <string.h>
+#include <stdio.h>
+#include <assert.h>
+
+static const UINT8 encode_table[65] =
+	"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
+
+/**
+ *
+ * Caller is responsible for freeing the returned buffer.
+ */
+CHAR8 *base64_encode(const UINT8 *src, INT32 len, INT32 *out_len)
+{
+	CHAR8 *out;
+	CHAR8 *out_pos;
+	const UINT8 *src_end;
+	const UINT8 *in_pos;
+
+	if (!out_len) {
+		return NULL;
+	}
+
+	// 3 byte blocks to 4 byte blocks plus up to 2 bytes of padding
+	*out_len = 4 * ((len + 2) / 3);
+
+	// Handle overflows
+	if (*out_len < len) {
+		return NULL;
+	}
+
+	out = malloc(*out_len);
+	if (out == NULL) {
+		return NULL;
+	}
+
+	src_end = src + len;
+	in_pos = src;
+	out_pos = out;
+	while (src_end - in_pos >= 3) {
+		*out_pos++ = encode_table[in_pos[0] >> 2];
+		*out_pos++ = encode_table[((in_pos[0] & 0x03) << 4) |
+					  (in_pos[1] >> 4)];
+		*out_pos++ = encode_table[((in_pos[1] & 0x0f) << 2) |
+					  (in_pos[2] >> 6)];
+		*out_pos++ = encode_table[in_pos[2] & 0x3f];
+		in_pos += 3;
+	}
+
+	if (src_end - in_pos) {
+		*out_pos++ = encode_table[in_pos[0] >> 2];
+		if (src_end - in_pos == 1) {
+			*out_pos++ = encode_table[(in_pos[0] & 0x03) << 4];
+			*out_pos++ = '=';
+		} else {
+			*out_pos++ = encode_table[((in_pos[0] & 0x03) << 4) |
+						  (in_pos[1] >> 4)];
+			*out_pos++ = encode_table[(in_pos[1] & 0x0f) << 2];
+		}
+		*out_pos++ = '=';
+	}
+
+	return out;
+}
+
+// Base64 decode table.  Invalid values are specified with 0x80.
+UINT8 decode_table[256] =
+	"\x80\x80\x80\x80\x80\x80\x80\x80\x80\x80\x80\x80\x80\x80\x80\x80"
+	"\x80\x80\x80\x80\x80\x80\x80\x80\x80\x80\x80\x80\x80\x80\x80\x80"
+	"\x80\x80\x80\x80\x80\x80\x80\x80\x80\x80\x80\x3e\x80\x80\x80\x3f"
+	"\x34\x35\x36\x37\x38\x39\x3a\x3b\x3c\x3d\x80\x80\x80\x00\x80\x80"
+	"\x80\x00\x01\x02\x03\x04\x05\x06\x07\x08\x09\x0a\x0b\x0c\x0d\x0e"
+	"\x0f\x10\x11\x12\x13\x14\x15\x16\x17\x18\x19\x80\x80\x80\x80\x80"
+	"\x80\x1a\x1b\x1c\x1d\x1e\x1f\x20\x21\x22\x23\x24\x25\x26\x27\x28"
+	"\x29\x2a\x2b\x2c\x2d\x2e\x2f\x30\x31\x32\x33\x80\x80\x80\x80\x80"
+	"\x80\x80\x80\x80\x80\x80\x80\x80\x80\x80\x80\x80\x80\x80\x80\x80"
+	"\x80\x80\x80\x80\x80\x80\x80\x80\x80\x80\x80\x80\x80\x80\x80\x80"
+	"\x80\x80\x80\x80\x80\x80\x80\x80\x80\x80\x80\x80\x80\x80\x80\x80"
+	"\x80\x80\x80\x80\x80\x80\x80\x80\x80\x80\x80\x80\x80\x80\x80\x80"
+	"\x80\x80\x80\x80\x80\x80\x80\x80\x80\x80\x80\x80\x80\x80\x80\x80"
+	"\x80\x80\x80\x80\x80\x80\x80\x80\x80\x80\x80\x80\x80\x80\x80\x80"
+	"\x80\x80\x80\x80\x80\x80\x80\x80\x80\x80\x80\x80\x80\x80\x80\x80"
+	"\x80\x80\x80\x80\x80\x80\x80\x80\x80\x80\x80\x80\x80\x80\x80\x80";
+
+/**
+ *
+ * Caller is responsible for freeing the returned buffer.
+ */
+UINT8 *base64_decode(const CHAR8 *src, INT32 len, INT32 *out_len)
+{
+	UINT8 *out;
+	UINT8 *pos;
+	UINT8 block[4];
+	UINT8 tmp;
+	INT32 block_index;
+	INT32 src_index;
+	UINT32 pad_count = 0;
+
+	if (!out_len) {
+		return NULL;
+	}
+
+	// Malloc might be up to 2 larger dependent on padding
+	*out_len = len / 4 * 3;
+	pos = out = malloc(*out_len);
+	if (out == NULL) {
+		return NULL;
+	}
+
+	block_index = 0;
+	for (src_index = 0; src_index < len; src_index++) {
+		tmp = decode_table[(UINT8)src[src_index]];
+		if (tmp == 0x80) {
+			free(out);
+			return NULL;
+		}
+
+		if (src[src_index] == '=') {
+			pad_count++;
+		}
+
+		block[block_index] = tmp;
+		block_index++;
+		if (block_index == 4) {
+			*pos++ = (block[0] << 2) | (block[1] >> 4);
+			*pos++ = (block[1] << 4) | (block[2] >> 2);
+			*pos++ = (block[2] << 6) | block[3];
+			if (pad_count > 0) {
+				if (pad_count == 1) {
+					pos--;
+				} else if (pad_count == 2) {
+					pos -= 2;
+				} else {
+					/* Invalid pad_counting */
+					free(out);
+					return NULL;
+				}
+				break;
+			}
+			block_index = 0;
+		}
+	}
+
+	*out_len = pos - out;
+	return out;
+}