2 files changed, 41 insertions, 0 deletions
diff --git a/Juick/Helpers/NSData+Hex.h b/Juick/Helpers/NSData+Hex.h
new file mode 100644
index 0000000..bd8e519
--- /dev/null
+++ b/Juick/Helpers/NSData+Hex.h
@@ -0,0 +1,19 @@
+//
+//  NSData+Hex.h
+//  Juick
+//
+//  Created by Vitaly Takmazov on 01/10/2019.
+//  Copyright © 2019 com.juick. All rights reserved.
+//
+
+#import <Foundation/Foundation.h>
+
+NS_ASSUME_NONNULL_BEGIN
+
+@interface NSData (Hex)
+
+- (NSString *)hexString;
+
+@end
+
+NS_ASSUME_NONNULL_END
diff --git a/Juick/Helpers/NSData+Hex.m b/Juick/Helpers/NSData+Hex.m
new file mode 100644
index 0000000..243a380
--- /dev/null
+++ b/Juick/Helpers/NSData+Hex.m
@@ -0,0 +1,22 @@
+//
+//  NSData+Hex.m
+//  Juick
+//
+//  Created by Vitaly Takmazov on 01/10/2019.
+//  Copyright © 2019 com.juick. All rights reserved.
+//
+
+#import "NSData+Hex.h"
+
+@implementation NSData (Hex)
+- (NSString *)hexString {
+    NSMutableString *string = [NSMutableString stringWithCapacity:self.length * 3];
+    [self enumerateByteRangesUsingBlock:^(const void *bytes, NSRange byteRange, BOOL *stop){
+        for (NSUInteger offset = 0; offset < byteRange.length; ++offset) {
+            uint8_t byte = ((const uint8_t *)bytes)[offset];
+            [string appendFormat:@"%02x", byte];
+        }
+    }];
+    return string;
+}
+@end