Objective c 如何在cocoa/iOS中哈希
给定消息和salt,如何对返回哈希字符串的消息进行编码 我需要复制php函数:Objective c 如何在cocoa/iOS中哈希,objective-c,ios,cocoa-touch,cocoa,Objective C,Ios,Cocoa Touch,Cocoa,给定消息和salt,如何对返回哈希字符串的消息进行编码 我需要复制php函数: hash_hmac('sha256','message','salt'); 谢谢找到了答案: #import <CommonCrypto/CommonHMAC.h> -(NSString *) hashString :(NSString *) data withSalt: (NSString *) salt { const char *cKey = [salt cStringUsingEn
hash_hmac('sha256','message','salt');
谢谢找到了答案:
#import <CommonCrypto/CommonHMAC.h>
-(NSString *) hashString :(NSString *) data withSalt: (NSString *) salt {
const char *cKey = [salt cStringUsingEncoding:NSUTF8StringEncoding];
const char *cData = [data cStringUsingEncoding:NSUTF8StringEncoding];
unsigned char cHMAC[CC_SHA256_DIGEST_LENGTH];
CCHmac(kCCHmacAlgSHA256, cKey, strlen(cKey), cData, strlen(cData), cHMAC);
NSString *hash;
NSMutableString* output = [NSMutableString stringWithCapacity:CC_SHA256_DIGEST_LENGTH * 2];
for(int i = 0; i < CC_SHA256_DIGEST_LENGTH; i++)
[output appendFormat:@"%02x", cHMAC[i]];
hash = output;
return hash;
}
#导入
-(NSString*)hashString:(NSString*)数据加盐:(NSString*)盐{
const char*cKey=[salt cStringUsingEncoding:NSUTF8StringEncoding];
const char*cData=[data cStringUsingEncoding:NSUTF8StringEncoding];
无符号字符cHMAC[CC_SHA256_DIGEST_LENGTH];
CCHmac(kCCHmacAlgSHA256、cKey、strlen(cKey)、cData、strlen(cData)、cHMAC);
NSString*散列;
NSMutableString*输出=[NSMutableString stringWithCapacity:CC_SHA256_DIGEST_LENGTH*2];
对于(int i=0;i
这个问题的答案看起来不错:是的,但我不知道如何使用盐。。。