各种常用的加密(MD5,SHA,)
使用之前需要导入: #import <CommonCrypto/CommonDigest.h>
- (IBAction)commonMd5BtnPressed:(id)sender {
[entryptTypeLabel setText:@"常规md5加密"];
[introLabel1 setText:@"32位小写"];
[resultLabel1 setText:[self getMd5_32Bit_String:srcStringTextField.text]];
//只需将得到的加密字串转化成大写即可
[introLabel2 setText:@"32位大写"];
[resultLabel2 setText:[[self getMd5_32Bit_String:srcStringTextField.text] uppercaseString]];
[introLabel3 setText:@"16位小写"];
[resultLabel3 setText:[self getMd5_16Bit_String:srcStringTextField.text]];
[introLabel4 setText:@"16位大写"];
[resultLabel4 setText:[[self getMd5_16Bit_String:srcStringTextField.text] uppercaseString]];
}
- (IBAction)secondaryMd5BtnPressed:(id)sender {
//实际上就是做两次常规转化
[entryptTypeLabel setText:@"二次md5加密"];
[introLabel1 setText:@"32位小写"];
[resultLabel1 setText:[self getMd5_32Bit_String:[self getMd5_32Bit_String:srcStringTextField.text]]];
//只需将得到的加密字串转化成大写即可
[introLabel2 setText:@"32位大写"];
[resultLabel2 setText:[[self getMd5_32Bit_String:[[self getMd5_32Bit_String:srcStringTextField.text] uppercaseString]]uppercaseString]];
[introLabel3 setText:@"16位小写"];
[resultLabel3 setText:[self getMd5_16Bit_String:[self getMd5_16Bit_String:srcStringTextField.text]]];
[introLabel4 setText:@"16位大写"];
[resultLabel4 setText:[[self getMd5_16Bit_String:[[self getMd5_16Bit_String:srcStringTextField.text] uppercaseString]] uppercaseString]];
}
//sha加密
- (IBAction)shaBtnPressed:(id)sender{
[entryptTypeLabel setText:@"sha安全哈希加密"];
[introLabel1 setText:@"sha1加密"];
[resultLabel1 setText:[self getSha1String:srcStringTextField.text]];
[introLabel2 setText:@"sha256加密"];
[resultLabel2 setText:[self getSha256String:srcStringTextField.text]];
[introLabel3 setText:@"sha384加密"];
[resultLabel3 setText:[self getSha384String:srcStringTextField.text]];
[introLabel4 setText:@"sha512加密"];
[resultLabel4 setText:[self getSha512String:srcStringTextField.text]];
}
//16位MD5加密方式
- (NSString *)getMd5_16Bit_String:(NSString *)srcString{
//提取32位MD5散列的中间16位
NSString *md5_32Bit_String=[self getMd5_32Bit_String:srcString];
NSString *result = [[md5_32Bit_String substringToIndex:24] substringFromIndex:8];//即9～25位
return result;
}
//32位MD5加密方式
- (NSString *)getMd5_32Bit_String:(NSString *)srcString{
const char *cStr = [srcString UTF8String];
unsigned char digest[CC_MD5_DIGEST_LENGTH];
CC_MD5( cStr, strlen(cStr), digest );
NSMutableString *result = [NSMutableString stringWithCapacity:CC_MD5_DIGEST_LENGTH * 2];
for(int i = 0; i < CC_MD5_DIGEST_LENGTH; i++)
[result appendFormat:@"%02x", digest[i]];
return result;
}
//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;
}
//sha256加密方式
- (NSString *)getSha256String:(NSString *)srcString {
const char *cstr = [srcString cStringUsingEncoding:NSUTF8StringEncoding];
NSData *data = [NSData dataWithBytes:cstr length:srcString.length];
uint8_t digest[CC_SHA256_DIGEST_LENGTH];
CC_SHA1(data.bytes, data.length, digest);
NSMutableString* result = [NSMutableString stringWithCapacity:CC_SHA256_DIGEST_LENGTH * 2];
for(int i = 0; i < CC_SHA256_DIGEST_LENGTH; i++) {
[result appendFormat:@"%02x", digest[i]];
}
return result;
}
//sha384加密方式
- (NSString *)getSha384String:(NSString *)srcString {
const char *cstr = [srcString cStringUsingEncoding:NSUTF8StringEncoding];
NSData *data = [NSData dataWithBytes:cstr length:srcString.length];
uint8_t digest[CC_SHA384_DIGEST_LENGTH];
CC_SHA1(data.bytes, data.length, digest);
NSMutableString* result = [NSMutableString stringWithCapacity:CC_SHA384_DIGEST_LENGTH * 2];
for(int i = 0; i < CC_SHA384_DIGEST_LENGTH; i++) {
[result appendFormat:@"%02x", digest[i]];
}
return result;
}
//sha512加密方式
- (NSString*) getSha512String:(NSString*)srcString {
const char *cstr = [srcString cStringUsingEncoding:NSUTF8StringEncoding];
NSData *data = [NSData dataWithBytes:cstr length:srcString.length];
uint8_t digest[CC_SHA512_DIGEST_LENGTH];
CC_SHA512(data.bytes, data.length, digest);
NSMutableString* result = [NSMutableString stringWithCapacity:CC_SHA512_DIGEST_LENGTH * 2];
for(int i = 0; i < CC_SHA512_DIGEST_LENGTH; i++)
[result appendFormat:@"%02x", digest[i]];
return result;
}