/usr/include/gwenhywfar4/gwenhywfar/cryptkeyrsa.h is in libgwenhywfar-core-dev 4.15.3-5+b1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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begin : Mon May 07 2012
copyright : (C) 2012 by Martin Preuss
email : martin@libchipcard.de
***************************************************************************
* Please see toplevel file COPYING for license details *
***************************************************************************/
#ifndef GWEN_CRYPT_KEY_RSA_H
#define GWEN_CRYPT_KEY_RSA_H
#include "cryptkey.h"
#include <gwenhywfar/cryptkeyrsa.h>
/**
* When signing always directly use the signature, do not determine whether
* (sig-n) is smaller
*/
#define GWEN_CRYPT_KEYRSA_FLAGS_DIRECTSIGN 0x00000001
#define GWEN_CRYPT_KEYRSA_MAX_KEYLENGTH 1024
#ifdef __cplusplus
extern "C" {
#endif
/**
* Creates a key pair and returns a pointer to it.
* @return NULL on error, otherwise a pointer to two keys: public and private
* @param nbytes number of bytes
* @param use65537e !=0: use the value 65537 for the public exponent, otherwise let the
* library choose the exponent by its own
*/
GWENHYWFAR_API int GWEN_Crypt_KeyRsa_GeneratePair(unsigned int nbytes,
int use65537e,
GWEN_CRYPT_KEY **pPubKey,
GWEN_CRYPT_KEY **pSecretKey);
#ifndef NO_DEPRECATED_SYMBOLS
/**
* Creates a key pair and returns a pointer to it.
* This function allows for more precise control over the size of the created key because it
* lets you specify the size in bits rather than in bytes.
* @return NULL on error, otherwise a pointer to two keys: public and private
* @param nbits number of bits
* @param use65537e !=0: use the value 65537 for the public exponent, otherwise let the
* library choose the exponent by its own
* @deprecated Please use @ref GWEN_Crypt_KeyRsa_GeneratePair instead since
* nbits should be a multiple of 8 anyway according to Libgcrypt.
*/
GWENHYWFAR_API DEPRECATED
int GWEN_Crypt_KeyRsa_GeneratePair2(unsigned int nbits, int use65537e,
GWEN_CRYPT_KEY **pPubKey,
GWEN_CRYPT_KEY **pSecretKey);
#endif // ifndef NO_DEPRECATED_SYMBOLS
GWENHYWFAR_API GWEN_CRYPT_KEY *GWEN_Crypt_KeyRsa_dup(const GWEN_CRYPT_KEY *k);
GWENHYWFAR_API GWEN_CRYPT_KEY *GWEN_Crypt_KeyRsa_fromDb(GWEN_DB_NODE *db);
GWENHYWFAR_API int GWEN_Crypt_KeyRsa_toDb(const GWEN_CRYPT_KEY *k, GWEN_DB_NODE *db, int pub);
GWENHYWFAR_API int GWEN_Crypt_KeyRsa_GetModulus(const GWEN_CRYPT_KEY *k, uint8_t *buffer, uint32_t *pBufLen);
GWENHYWFAR_API int GWEN_Crypt_KeyRsa_GetExponent(const GWEN_CRYPT_KEY *k, uint8_t *buffer, uint32_t *pBufLen);
GWENHYWFAR_API int GWEN_Crypt_KeyRsa_GetSecretExponent(const GWEN_CRYPT_KEY *k, uint8_t *buffer, uint32_t *pBufLen);
GWENHYWFAR_API GWEN_CRYPT_KEY *GWEN_Crypt_KeyRsa_fromModExp(unsigned int nbytes,
const uint8_t *pModulus,
uint32_t lModulus,
const uint8_t *pExponent,
uint32_t lExponent);
GWENHYWFAR_API GWEN_CRYPT_KEY *GWEN_Crypt_KeyRsa_fromModPrivExp(unsigned int nbytes,
const uint8_t *pModulus,
uint32_t lModulus,
const uint8_t *pExponent,
uint32_t lExponent,
const uint8_t *pPrivExponent,
uint32_t lPrivExponent);
GWENHYWFAR_API uint32_t GWEN_Crypt_KeyRsa_GetFlags(const GWEN_CRYPT_KEY *k);
GWENHYWFAR_API void GWEN_Crypt_KeyRsa_SetFlags(GWEN_CRYPT_KEY *k, uint32_t fl);
GWENHYWFAR_API void GWEN_Crypt_KeyRsa_AddFlags(GWEN_CRYPT_KEY *k, uint32_t fl);
GWENHYWFAR_API void GWEN_Crypt_KeyRsa_SubFlags(GWEN_CRYPT_KEY *k, uint32_t fl);
#ifdef __cplusplus
}
#endif
#endif
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