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- #import <Foundation/Foundation.h>
- @interface DDRSAWrapper : NSObject
- #pragma mark - SecKeyRef
- - (BOOL)generateSecKeyPairWithKeySize:(NSUInteger)keySize publicKeyRef:(SecKeyRef *)publicKeyRef privateKeyRef:(SecKeyRef *)privateKeyRef;
- - (NSData *)publicKeyBitsFromSecKey:(SecKeyRef)givenKey;
- - (SecKeyRef)publicSecKeyFromKeyBits:(NSData *)givenData;
- - (NSData *)privateKeyBitsFromSecKey:(SecKeyRef)givenKey;
- - (SecKeyRef)privateSecKeyFromKeyBits:(NSData *)givenData;
- /*
- padding ： kSecPaddingNone 或 kSecPaddingPKCS1
- */
- - (NSData *)encryptWithKey:(SecKeyRef)key plainData:(NSData *)plainData padding:(SecPadding)padding;
- - (NSData *)decryptWithKey:(SecKeyRef)key cipherData:(NSData *)cipherData padding:(SecPadding)padding;
- - (NSData *)encryptWithPrivateKey:(SecKeyRef)key plainData:(NSData *)plainData;
- - (NSData *)decryptWithPublicKey:(SecKeyRef)publicKey cipherData:(NSData *)cipherData;
- #pragma mark - 指数和模数
- - (NSData *)getPublicKeyExp:(NSData *)pk;
- - (NSData *)getPublicKeyMod:(NSData *)pk ;
- /*
- 在 iOS9 以上的系统 模数前面要加 00，不然会转换失败
-
- const char fixByte = 0;
- NSMutableData * fixedModule = [NSMutableData dataWithBytes:&fixByte length:1];
- [fixedModule appendData:m];
-
- https://github.com/StCredZero/SCZ-BasicEncodingRules-iOS/issues/6#issuecomment-136601437
-
- */
- - (SecKeyRef)publicKeyDataWithMod:(NSData *)modBits exp:(NSData *)expBits;
- @end
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