diff --git a/src/utils/Makefile b/src/utils/Makefile
index 1ee2bee..e8ad997 100644
--- a/src/utils/Makefile
+++ b/src/utils/Makefile
@@ -1,14 +1,3 @@
-all: libutils.a
-
-clean:
-	rm -f *~ *.o *.d *.gcno *.gcda *.gcov libutils.a
-
-install:
-	@echo Nothing to be made.
-
-
-include ../lib.rules
-
 #CFLAGS += -DWPA_TRACE
 CFLAGS += -DCONFIG_IPV6
 CFLAGS += -DCONFIG_DEBUG_FILE
@@ -37,7 +26,4 @@
 
 #LIB_OBJS += pcsc_funcs.o
 
-libutils.a: $(LIB_OBJS)
-	$(AR) crT $@ $?
-
--include $(OBJS:%.o=%.d)
+include ../lib.rules
diff --git a/src/utils/base64.c b/src/utils/base64.c
index a17d2d3..0d121c1 100644
--- a/src/utils/base64.c
+++ b/src/utils/base64.c
@@ -9,6 +9,7 @@
 #include "includes.h"
 #include <stdint.h>
 
+#include "utils/common.h"
 #include "os.h"
 #include "base64.h"
 
@@ -18,6 +19,10 @@
 	"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789-_";
 
 
+#define BASE64_PAD BIT(0)
+#define BASE64_LF BIT(1)
+
+
 static char * base64_gen_encode(const unsigned char *src, size_t len,
 				size_t *out_len, const char *table, int add_pad)
 {
@@ -29,7 +34,7 @@
 	if (len >= SIZE_MAX / 4)
 		return NULL;
 	olen = len * 4 / 3 + 4; /* 3-byte blocks to 4-byte */
-	if (add_pad)
+	if (add_pad & BASE64_LF)
 		olen += olen / 72; /* line feeds */
 	olen++; /* nul termination */
 	if (olen < len)
@@ -49,7 +54,7 @@
 		*pos++ = table[in[2] & 0x3f];
 		in += 3;
 		line_len += 4;
-		if (add_pad && line_len >= 72) {
+		if ((add_pad & BASE64_LF) && line_len >= 72) {
 			*pos++ = '\n';
 			line_len = 0;
 		}
@@ -59,19 +64,19 @@
 		*pos++ = table[(in[0] >> 2) & 0x3f];
 		if (end - in == 1) {
 			*pos++ = table[((in[0] & 0x03) << 4) & 0x3f];
-			if (add_pad)
+			if (add_pad & BASE64_PAD)
 				*pos++ = '=';
 		} else {
 			*pos++ = table[(((in[0] & 0x03) << 4) |
 					(in[1] >> 4)) & 0x3f];
 			*pos++ = table[((in[1] & 0x0f) << 2) & 0x3f];
 		}
-		if (add_pad)
+		if (add_pad & BASE64_PAD)
 			*pos++ = '=';
 		line_len += 4;
 	}
 
-	if (add_pad && line_len)
+	if ((add_pad & BASE64_LF) && line_len)
 		*pos++ = '\n';
 
 	*pos = '\0';
@@ -164,7 +169,14 @@
  */
 char * base64_encode(const void *src, size_t len, size_t *out_len)
 {
-	return base64_gen_encode(src, len, out_len, base64_table, 1);
+	return base64_gen_encode(src, len, out_len, base64_table,
+				 BASE64_PAD | BASE64_LF);
+}
+
+
+char * base64_encode_no_lf(const void *src, size_t len, size_t *out_len)
+{
+	return base64_gen_encode(src, len, out_len, base64_table, BASE64_PAD);
 }
 
 
diff --git a/src/utils/base64.h b/src/utils/base64.h
index 6216f44..d545b29 100644
--- a/src/utils/base64.h
+++ b/src/utils/base64.h
@@ -10,6 +10,7 @@
 #define BASE64_H
 
 char * base64_encode(const void *src, size_t len, size_t *out_len);
+char * base64_encode_no_lf(const void *src, size_t len, size_t *out_len);
 unsigned char * base64_decode(const char *src, size_t len, size_t *out_len);
 char * base64_url_encode(const void *src, size_t len, size_t *out_len);
 unsigned char * base64_url_decode(const char *src, size_t len, size_t *out_len);
diff --git a/src/utils/json.c b/src/utils/json.c
index 5a0edf2..dd12f1b 100644
--- a/src/utils/json.c
+++ b/src/utils/json.c
@@ -528,6 +528,28 @@
 }
 
 
+struct wpabuf * json_get_member_base64(struct json_token *json,
+				       const char *name)
+{
+	struct json_token *token;
+	unsigned char *buf;
+	size_t buflen;
+	struct wpabuf *ret;
+
+	token = json_get_member(json, name);
+	if (!token || token->type != JSON_STRING)
+		return NULL;
+	buf = base64_decode(token->string, os_strlen(token->string), &buflen);
+	if (!buf)
+		return NULL;
+	ret = wpabuf_alloc_ext_data(buf, buflen);
+	if (!ret)
+		os_free(buf);
+
+	return ret;
+}
+
+
 static const char * json_type_str(enum json_type type)
 {
 	switch (type) {
@@ -620,6 +642,20 @@
 }
 
 
+int json_add_base64(struct wpabuf *json, const char *name, const void *val,
+		    size_t len)
+{
+	char *b64;
+
+	b64 = base64_encode_no_lf(val, len, NULL);
+	if (!b64)
+		return -1;
+	json_add_string(json, name, b64);
+	os_free(b64);
+	return 0;
+}
+
+
 void json_start_object(struct wpabuf *json, const char *name)
 {
 	if (name)
diff --git a/src/utils/json.h b/src/utils/json.h
index ca4a2e4..8448bb0 100644
--- a/src/utils/json.h
+++ b/src/utils/json.h
@@ -37,6 +37,8 @@
 struct json_token * json_get_member(struct json_token *json, const char *name);
 struct wpabuf * json_get_member_base64url(struct json_token *json,
 					  const char *name);
+struct wpabuf * json_get_member_base64(struct json_token *json,
+				       const char *name);
 void json_print_tree(struct json_token *root, char *buf, size_t buflen);
 void json_add_int(struct wpabuf *json, const char *name, int val);
 void json_add_string(struct wpabuf *json, const char *name, const char *val);
@@ -44,6 +46,8 @@
 			   const void *val, size_t len);
 int json_add_base64url(struct wpabuf *json, const char *name, const void *val,
 		       size_t len);
+int json_add_base64(struct wpabuf *json, const char *name, const void *val,
+		    size_t len);
 void json_start_object(struct wpabuf *json, const char *name);
 void json_end_object(struct wpabuf *json);
 void json_start_array(struct wpabuf *json, const char *name);
diff --git a/src/utils/wpabuf.h b/src/utils/wpabuf.h
index 01da41b..b2a54b2 100644
--- a/src/utils/wpabuf.h
+++ b/src/utils/wpabuf.h
@@ -71,6 +71,21 @@
 }
 
 /**
+ * wpabuf_cmp - Check if two buffers contain the same data
+ * @a: wpabuf buffer
+ * @b: wpabuf buffer
+ * Returns: 0 if the two buffers contain the same data and non-zero otherwise
+ */
+static inline int wpabuf_cmp(const struct wpabuf *a, const struct wpabuf *b)
+{
+	if (!a && !b)
+		return 0;
+	if (a && b && wpabuf_size(a) == wpabuf_size(b))
+		return os_memcmp(a->buf, b->buf, wpabuf_size(a));
+	return -1;
+}
+
+/**
  * wpabuf_head - Get pointer to the head of the buffer data
  * @buf: wpabuf buffer
  * Returns: Pointer to the head of the buffer data