iOS NSString 암호화
#import
@interface NSString (Hash)
#pragma mark -
/**
* MD5
*
* :
* @code
* md5 -s "string"
* @endcode
*
* : MD5 ,MD5 。
*
* @return 32 MD5
*/
- (NSString *)md5String;
/**
* SHA1
*
* :
* @code
* echo -n "string" | openssl sha -sha1
* @endcode
*
* @return 40 SHA1
*/
- (NSString *)sha1String;
/**
* SHA256
*
* :
* @code
* echo -n "string" | openssl sha -sha256
* @endcode
*
* @return 64 SHA256
*/
- (NSString *)sha256String;
/**
* SHA 512
*
* :
* @code
* echo -n "string" | openssl sha -sha512
* @endcode
*
* @return 128 SHA 512
*/
- (NSString *)sha512String;
#pragma mark - HMAC
/**
* HMAC MD5
*
* :
* @code
* echo -n "string" | openssl dgst -md5 -hmac "key"
* @endcode
*
* @return 32 HMAC MD5
*/
- (NSString *)hmacMD5StringWithKey:(NSString *)key;
/**
* HMAC SHA1
*
* :
* @code
* echo -n "string" | openssl sha -sha1 -hmac "key"
* @endcode
*
* @return 40 HMAC SHA1
*/
- (NSString *)hmacSHA1StringWithKey:(NSString *)key;
/**
* HMAC SHA256
*
* :
* @code
* echo -n "string" | openssl sha -sha256 -hmac "key"
* @endcode
*
* @return 64 HMAC SHA256
*/
- (NSString *)hmacSHA256StringWithKey:(NSString *)key;
/**
* HMAC SHA512
*
* :
* @code
* echo -n "string" | openssl sha -sha512 -hmac "key"
* @endcode
*
* @return 128 HMAC SHA512
*/
- (NSString *)hmacSHA512StringWithKey:(NSString *)key;
#pragma mark -
/**
* MD5
*
* :
* @code
* md5 file.dat
* @endcode
*
* @return 32 MD5
*/
- (NSString *)fileMD5Hash;
/**
* SHA1
*
* :
* @code
* openssl sha -sha1 file.dat
* @endcode
*
* @return 40 SHA1
*/
- (NSString *)fileSHA1Hash;
/**
* SHA256
*
* :
* @code
* openssl sha -sha256 file.dat
* @endcode
*
* @return 64 SHA256
*/
- (NSString *)fileSHA256Hash;
/**
* SHA512
*
* :
* @code
* openssl sha -sha512 file.dat
* @endcode
*
* @return 128 SHA512
*/
- (NSString *)fileSHA512Hash;
@end
NSString+Hash.m
#import "NSString+Hash.h"
#import
@implementation NSString (Hash)
#pragma mark -
- (NSString *)md5String {
const char *str = self.UTF8String;
uint8_t buffer[CC_MD5_DIGEST_LENGTH];
CC_MD5(str, (CC_LONG)strlen(str), buffer);
return [self stringFromBytes:buffer length:CC_MD5_DIGEST_LENGTH];
}
- (NSString *)sha1String {
const char *str = self.UTF8String;
uint8_t buffer[CC_SHA1_DIGEST_LENGTH];
CC_SHA1(str, (CC_LONG)strlen(str), buffer);
return [self stringFromBytes:buffer length:CC_SHA1_DIGEST_LENGTH];
}
- (NSString *)sha256String {
const char *str = self.UTF8String;
uint8_t buffer[CC_SHA256_DIGEST_LENGTH];
CC_SHA256(str, (CC_LONG)strlen(str), buffer);
return [self stringFromBytes:buffer length:CC_SHA256_DIGEST_LENGTH];
}
- (NSString *)sha512String {
const char *str = self.UTF8String;
uint8_t buffer[CC_SHA512_DIGEST_LENGTH];
CC_SHA512(str, (CC_LONG)strlen(str), buffer);
return [self stringFromBytes:buffer length:CC_SHA512_DIGEST_LENGTH];
}
#pragma mark - HMAC
- (NSString *)hmacMD5StringWithKey:(NSString *)key {
const char *keyData = key.UTF8String;
const char *strData = self.UTF8String;
uint8_t buffer[CC_MD5_DIGEST_LENGTH];
CCHmac(kCCHmacAlgMD5, keyData, strlen(keyData), strData, strlen(strData), buffer);
return [self stringFromBytes:buffer length:CC_MD5_DIGEST_LENGTH];
}
- (NSString *)hmacSHA1StringWithKey:(NSString *)key {
const char *keyData = key.UTF8String;
const char *strData = self.UTF8String;
uint8_t buffer[CC_SHA1_DIGEST_LENGTH];
CCHmac(kCCHmacAlgSHA1, keyData, strlen(keyData), strData, strlen(strData), buffer);
return [self stringFromBytes:buffer length:CC_SHA1_DIGEST_LENGTH];
}
- (NSString *)hmacSHA256StringWithKey:(NSString *)key {
const char *keyData = key.UTF8String;
const char *strData = self.UTF8String;
uint8_t buffer[CC_SHA256_DIGEST_LENGTH];
CCHmac(kCCHmacAlgSHA256, keyData, strlen(keyData), strData, strlen(strData), buffer);
return [self stringFromBytes:buffer length:CC_SHA256_DIGEST_LENGTH];
}
- (NSString *)hmacSHA512StringWithKey:(NSString *)key {
const char *keyData = key.UTF8String;
const char *strData = self.UTF8String;
uint8_t buffer[CC_SHA512_DIGEST_LENGTH];
CCHmac(kCCHmacAlgSHA512, keyData, strlen(keyData), strData, strlen(strData), buffer);
return [self stringFromBytes:buffer length:CC_SHA512_DIGEST_LENGTH];
}
#pragma mark -
#define FileHashDefaultChunkSizeForReadingData 4096
- (NSString *)fileMD5Hash {
NSFileHandle *fp = [NSFileHandle fileHandleForReadingAtPath:self];
if (fp == nil) {
return nil;
}
CC_MD5_CTX hashCtx;
CC_MD5_Init(&hashCtx);
while (YES) {
@autoreleasepool {
NSData *data = [fp readDataOfLength:FileHashDefaultChunkSizeForReadingData];
CC_MD5_Update(&hashCtx, data.bytes, (CC_LONG)data.length);
if (data.length == 0) {
break;
}
}
}
[fp closeFile];
uint8_t buffer[CC_MD5_DIGEST_LENGTH];
CC_MD5_Final(buffer, &hashCtx);
return [self stringFromBytes:buffer length:CC_MD5_DIGEST_LENGTH];
}
- (NSString *)fileSHA1Hash {
NSFileHandle *fp = [NSFileHandle fileHandleForReadingAtPath:self];
if (fp == nil) {
return nil;
}
CC_SHA1_CTX hashCtx;
CC_SHA1_Init(&hashCtx);
while (YES) {
@autoreleasepool {
NSData *data = [fp readDataOfLength:FileHashDefaultChunkSizeForReadingData];
CC_SHA1_Update(&hashCtx, data.bytes, (CC_LONG)data.length);
if (data.length == 0) {
break;
}
}
}
[fp closeFile];
uint8_t buffer[CC_SHA1_DIGEST_LENGTH];
CC_SHA1_Final(buffer, &hashCtx);
return [self stringFromBytes:buffer length:CC_SHA1_DIGEST_LENGTH];
}
- (NSString *)fileSHA256Hash {
NSFileHandle *fp = [NSFileHandle fileHandleForReadingAtPath:self];
if (fp == nil) {
return nil;
}
CC_SHA256_CTX hashCtx;
CC_SHA256_Init(&hashCtx);
while (YES) {
@autoreleasepool {
NSData *data = [fp readDataOfLength:FileHashDefaultChunkSizeForReadingData];
CC_SHA256_Update(&hashCtx, data.bytes, (CC_LONG)data.length);
if (data.length == 0) {
break;
}
}
}
[fp closeFile];
uint8_t buffer[CC_SHA256_DIGEST_LENGTH];
CC_SHA256_Final(buffer, &hashCtx);
return [self stringFromBytes:buffer length:CC_SHA256_DIGEST_LENGTH];
}
- (NSString *)fileSHA512Hash {
NSFileHandle *fp = [NSFileHandle fileHandleForReadingAtPath:self];
if (fp == nil) {
return nil;
}
CC_SHA512_CTX hashCtx;
CC_SHA512_Init(&hashCtx);
while (YES) {
@autoreleasepool {
NSData *data = [fp readDataOfLength:FileHashDefaultChunkSizeForReadingData];
CC_SHA512_Update(&hashCtx, data.bytes, (CC_LONG)data.length);
if (data.length == 0) {
break;
}
}
}
[fp closeFile];
uint8_t buffer[CC_SHA512_DIGEST_LENGTH];
CC_SHA512_Final(buffer, &hashCtx);
return [self stringFromBytes:buffer length:CC_SHA512_DIGEST_LENGTH];
}
#pragma mark -
/**
* Bytes
*
* @param bytes Bytes
* @param length
*
* @return
*/
- (NSString *)stringFromBytes:(uint8_t *)bytes length:(int)length {
NSMutableString *strM = [NSMutableString string];
for (int i = 0; i < length; i++) {
[strM appendFormat:@"%02x", bytes[i]];
}
return [strM copy];
}
@end
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