mirror/mbedtls
1
0
Fork 0
mirror of https://github.com/Mbed-TLS/mbedtls.git synced 2025-04-16 08:42:50 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

Make ecdsa_verify() return value more explicit

Browse Source
This commit is contained in:
Manuel Pégourié-Gonnard 2013-08-27 15:11:23 +02:00
parent 9cc6f5c61b
commit db77175e99
2 changed files with 5 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
include/polarssl/ecp.h
View File

@ -34,8 +34,9 @@
*/ */
#define POLARSSL_ERR_ECP_BAD_INPUT_DATA -0x4F80 /**< Bad input parameters to function. */ #define POLARSSL_ERR_ECP_BAD_INPUT_DATA -0x4F80 /**< Bad input parameters to function. */
#define POLARSSL_ERR_ECP_BUFFER_TOO_SMALL -0x4F00 /**< The buffer is too small to write to. */ #define POLARSSL_ERR_ECP_BUFFER_TOO_SMALL -0x4F00 /**< The buffer is too small to write to. */
#define POLARSSL_ERR_ECP_GENERIC -0x4E80 /**< Generic ECP error */ #define POLARSSL_ERR_ECP_GENERIC -0x4E80 /**< Generic ECP error. */
#define POLARSSL_ERR_ECP_FEATURE_UNAVAILABLE -0x4E00 /**< Requested curve not available. */ #define POLARSSL_ERR_ECP_FEATURE_UNAVAILABLE -0x4E00 /**< Requested curve not available. */
#define POLARSSL_ERR_ECP_VERIFY_FAILED -0x4E00 /**< The signature is not valid. */
#ifdef __cplusplus #ifdef __cplusplus
extern "C" { extern "C" {

6
library/ecdsa.c
View File

@ -134,7 +134,7 @@ int ecdsa_verify( const ecp_group *grp,
if( mpi_cmp_int( r, 1 ) < 0 || mpi_cmp_mpi( r, &grp->N ) >= 0 || if( mpi_cmp_int( r, 1 ) < 0 || mpi_cmp_mpi( r, &grp->N ) >= 0 ||
mpi_cmp_int( s, 1 ) < 0 || mpi_cmp_mpi( s, &grp->N ) >= 0 ) mpi_cmp_int( s, 1 ) < 0 || mpi_cmp_mpi( s, &grp->N ) >= 0 )
{ {
ret = POLARSSL_ERR_ECP_BAD_INPUT_DATA; ret = POLARSSL_ERR_ECP_VERIFY_FAILED;
goto cleanup; goto cleanup;
} }
@ -168,7 +168,7 @@ int ecdsa_verify( const ecp_group *grp,
if( ecp_is_zero( &R ) ) if( ecp_is_zero( &R ) )
{ {
ret = POLARSSL_ERR_ECP_BAD_INPUT_DATA; ret = POLARSSL_ERR_ECP_VERIFY_FAILED;
goto cleanup; goto cleanup;
} }
@ -177,7 +177,7 @@ int ecdsa_verify( const ecp_group *grp,
*/ */
if( mpi_cmp_mpi( &R.X, r ) != 0 ) if( mpi_cmp_mpi( &R.X, r ) != 0 )
{ {
ret = POLARSSL_ERR_ECP_BAD_INPUT_DATA; ret = POLARSSL_ERR_ECP_VERIFY_FAILED;
goto cleanup; goto cleanup;
} }