ASSCL排序后sha1加密方式

NSString * timeC = [NSString stringWithFormat:@"%ld",time(NULL)];

NSDictionary *dict = [NSDictionary dictionaryWithObjectsAndKeys:@"4886659db1dfc63a05583503aff1ce9454d01bfc",@"key",timeC,@"time",@"ios",@"facility",nil];

NSArray *allKeyArray = [dict allKeys];

NSArray *afterSortKeyArray = [allKeyArray sortedArrayUsingComparator:^NSComparisonResult(id  _Nonnull obj1, id  _Nonnull obj2) {

return NSOrderedDescending;

}];

//通过排列的key值获取value

NSMutableArray *valueArray = [NSMutableArray array];

for (NSString *sortsing in afterSortKeyArray) {

NSString *valueString = [dict objectForKey:sortsing];

[valueArray addObject:valueString];

}

NSMutableArray *signArray = [NSMutableArray array];

for (int i = 0 ; i < afterSortKeyArray.count; i++) {

NSString * keyValue = [NSString stringWithFormat:@"%@=%@",afterSortKeyArray[i],valueArray[i]];

[signArray addObject:keyValue];

}

NSString *str = @"";

for (NSString *temp  in signArray) {

str = [str stringByAppendingString:[NSString stringWithFormat:@"%@&",temp]];

}

NSString *shalStr = [str substringToIndex:str.length - 1];

NSLog(@"shlstr = %@",shalStr);

//    shalStr = [shalStr sha1String];

shalStr = [self getSha1String:shalStr];

NSLog(@"sign = %@", shalStr);

//sha1加密

//sha1加密方式

+ (NSString *)getSha1String:(NSString *)srcString{

const char *cstr = [srcString cStringUsingEncoding:NSUTF8StringEncoding];

NSData *data = [NSData dataWithBytes:cstr length:srcString.length];

uint8_t digest[CC_SHA1_DIGEST_LENGTH];

CC_SHA1(data.bytes, data.length, digest);

NSMutableString* result = [NSMutableString stringWithCapacity:CC_SHA1_DIGEST_LENGTH * 2];

for(int i = 0; i < CC_SHA1_DIGEST_LENGTH; i++) {

[result appendFormat:@"%02x", digest[i]];

}

return result;

}