tomcrypt/src/pk/pkcs1/pkcs_1_os2ip.c
2010-06-16 12:38:29 +02:00

38 lines
921 B
C

/* LibTomCrypt, modular cryptographic library -- Tom St Denis
*
* LibTomCrypt is a library that provides various cryptographic
* algorithms in a highly modular and flexible manner.
*
* The library is free for all purposes without any express
* guarantee it works.
*
* Tom St Denis, tomstdenis@gmail.com, http://libtomcrypt.org
*/
#include "tomcrypt.h"
/**
@file pkcs_1_os2ip.c
Octet to Integer OS2IP, Tom St Denis
*/
#ifdef PKCS_1
/**
Read a binary string into an mp_int
@param n [out] The mp_int destination
@param in The binary string to read
@param inlen The length of the binary string
@return CRYPT_OK if successful
*/
int pkcs_1_os2ip(mp_int *n, unsigned char *in, unsigned long inlen)
{
int err;
/* read it */
if ((err = mp_read_unsigned_bin(n, in, inlen)) != MP_OKAY) {
return mpi_to_ltc_error(err);
}
return CRYPT_OK;
}
#endif /* PKCS_1 */