Added SHA-1 for iOS

Author: itinance

ios/sha256.m

@@ -17,6 +17,24 @@ @implementation sha256Lib
 
 RCT_EXPORT_MODULE()
 
+RCT_EXPORT_METHOD(sha1: (NSString *) data
+                  resolver: (RCTPromiseResolveBlock) resolve
+                  rejecter: (RCTPromiseRejectBlock) reject)
+
+{
+    const char* str = [data UTF8String];
+    unsigned char result[CC_SHA1_DIGEST_LENGTH];
+    CC_SHA1(str, (CC_LONG)strlen(str), result);
+
+    NSMutableString *ret = [NSMutableString stringWithCapacity:CC_SHA1_DIGEST_LENGTH*2];
+    for(int i = 0; i<CC_SHA1_DIGEST_LENGTH; i++)
+    {
+        [ret appendFormat:@"%02x",result[i]];
+    }
+
+    resolve(ret);
+}
+
 RCT_EXPORT_METHOD(sha256: (NSString *) data
                   resolver: (RCTPromiseResolveBlock) resolve
                   rejecter: (RCTPromiseRejectBlock) reject)
@@ -25,13 +43,13 @@ @implementation sha256Lib
     const char* str = [data UTF8String];
     unsigned char result[CC_SHA256_DIGEST_LENGTH];
     CC_SHA256(str, strlen(str), result);
-    
+
     NSMutableString *ret = [NSMutableString stringWithCapacity:CC_SHA256_DIGEST_LENGTH*2];
     for(int i = 0; i<CC_SHA256_DIGEST_LENGTH; i++)
     {
         [ret appendFormat:@"%02x",result[i]];
     }
-    
+
     resolve(ret);
 }
 

sha256.js

@@ -11,3 +11,7 @@ const sha256Lib = NativeModules.sha256Lib;
 export function sha256(data) {
   return sha256Lib.sha256(data);
 }
+
+export function sha1(data) {
+  return sha256Lib.sha1(data);
+}