- Fix PNInstallation

Example/Pods/NSString-Helper/NSString-Helper/NSString+Helper.h

@@ -10,6 +10,8 @@
 
 @interface NSString (Helper)
 
++ (NSString *) getRandString: (int) length;
+
 - (BOOL) isValidEmail;
 
 - (BOOL) isNumeric;
@@ -20,4 +22,12 @@
 
 - (BOOL) isValidTaxCode;
 
+- (NSString *) md5;
+
+- (NSString*) sha1;
+
+- (NSString*) sha256;
+
+- (NSString*) sha512;
+
 @end

Example/Pods/NSString-Helper/NSString-Helper/NSString+Helper.m

@@ -7,6 +7,7 @@
 //
 
 #import "NSString+Helper.h"
+#import <CommonCrypto/CommonDigest.h>
 
 @implementation NSString (Helper)
 
@@ -58,4 +59,84 @@
     return [urlTest evaluateWithObject:self];
 }
 
+#pragma mark - Random String Method
+
++ (NSString *) getRandString: (int) length {
+    
+    NSString *letters = @"abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789";
+    
+    NSMutableString *randomString = [NSMutableString stringWithCapacity: length];
+    
+    for (int i=0; i<length; i++) {
+        [randomString appendFormat: @"%C", [letters characterAtIndex: arc4random() % [letters length]]];
+    }
+    
+    return randomString;
+}
+
+- (NSString *) md5 {
+    const char *cStr = [self UTF8String];
+    unsigned char digest[16];
+    CC_MD5( cStr, (CC_LONG)strlen(cStr), digest ); // This is the md5 call
+    
+    NSMutableString *output = [NSMutableString stringWithCapacity:CC_MD5_DIGEST_LENGTH * 2];
+    
+    for(int i = 0; i < CC_MD5_DIGEST_LENGTH; i++)
+        [output appendFormat:@"%02x", digest[i]];
+    
+    return  output;
+    
+}
+
+-  (NSString*) sha1 {
+    
+    const char *cstr = [self cStringUsingEncoding:NSUTF8StringEncoding];
+    
+    NSData *data = [NSData dataWithBytes:cstr length:self.length];
+    
+    uint8_t digest[CC_SHA1_DIGEST_LENGTH];
+    
+    CC_SHA1(data.bytes, (CC_LONG)data.length, digest);
+    
+    NSMutableString* output = [NSMutableString stringWithCapacity:CC_SHA1_DIGEST_LENGTH * 2];
+    
+    for(int i = 0; i < CC_SHA1_DIGEST_LENGTH; i++)
+        [output appendFormat:@"%02x", digest[i]];
+    
+    return output;
+    
+}
+
+- (NSString*) sha256 {
+    
+    const char *s=[self cStringUsingEncoding:NSASCIIStringEncoding];
+    NSData *keyData=[NSData dataWithBytes:s length:strlen(s)];
+    
+    uint8_t digest[CC_SHA256_DIGEST_LENGTH]={0};
+    CC_SHA256(keyData.bytes, (CC_LONG)keyData.length, digest);
+    NSData *out=[NSData dataWithBytes:digest length:CC_SHA256_DIGEST_LENGTH];
+    NSString *hash=[out description];
+    hash = [hash stringByReplacingOccurrencesOfString:@" " withString:@""];
+    hash = [hash stringByReplacingOccurrencesOfString:@"<" withString:@""];
+    hash = [hash stringByReplacingOccurrencesOfString:@">" withString:@""];
+    return hash;
+}
+
+- (NSString*) sha512 {
+    
+    const char *s=[self cStringUsingEncoding:NSASCIIStringEncoding];
+    NSData *keyData=[NSData dataWithBytes:s length:strlen(s)];
+    
+    uint8_t digest[CC_SHA512_DIGEST_LENGTH]={0};
+    CC_SHA512(keyData.bytes, (CC_LONG)keyData.length, digest);
+    NSData *out=[NSData dataWithBytes:digest length:CC_SHA512_DIGEST_LENGTH];
+    NSString *hash=[out description];
+    hash = [hash stringByReplacingOccurrencesOfString:@" " withString:@""];
+    hash = [hash stringByReplacingOccurrencesOfString:@"<" withString:@""];
+    hash = [hash stringByReplacingOccurrencesOfString:@">" withString:@""];
+    return hash;
+}
+
+
+
 @end