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Use MBEDTLS_PK_SIGNATURE_MAX_SIZE in pkey sample programs

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Use the constant that is now provided by the crypto submodule instead
of rolling our own definition which is not correct in all cases.
This commit is contained in:
Gilles Peskine 2019-11-08 19:22:35 +01:00
parent bf88780e64
commit 96a7cd1759
2 changed files with 2 additions and 13 deletions
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13
programs/pkey/pk_sign.c
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@ -60,17 +60,6 @@ int main( void )
#include <stdio.h>
#include <string.h>
/*
* For the currently used signature algorithms the buffer to store any signature
* must be at least of size MAX(MBEDTLS_ECDSA_MAX_LEN, MBEDTLS_MPI_MAX_SIZE)
*/
#if MBEDTLS_ECDSA_MAX_LEN > MBEDTLS_MPI_MAX_SIZE
#define SIGNATURE_MAX_SIZE MBEDTLS_ECDSA_MAX_LEN
#else
#define SIGNATURE_MAX_SIZE MBEDTLS_MPI_MAX_SIZE
#endif
int main( int argc, char *argv[] )
{
FILE *f;
@ -80,7 +69,7 @@ int main( int argc, char *argv[] )
mbedtls_entropy_context entropy;
mbedtls_ctr_drbg_context ctr_drbg;
unsigned char hash[32];
unsigned char buf[SIGNATURE_MAX_SIZE];
unsigned char buf[MBEDTLS_PK_SIGNATURE_MAX_SIZE];
char filename[512];
const char *pers = "mbedtls_pk_sign";
size_t olen = 0;

2
programs/pkey/pk_verify.c
View file

@ -65,7 +65,7 @@ int main( int argc, char *argv[] )
size_t i;
mbedtls_pk_context pk;
unsigned char hash[32];
unsigned char buf[MBEDTLS_MPI_MAX_SIZE];
unsigned char buf[MBEDTLS_PK_SIGNATURE_MAX_SIZE];
char filename[512];
mbedtls_pk_init( &pk );