lib/mbedtls
1
0
Fork 0
mirror of https://github.com/Mbed-TLS/mbedtls.git synced 2025-08-08 17:42:09 +03:00
Code Activity

ECDH: Fix Everest x25519 make_public

Browse Source
This commit is contained in:
Christoph M. Wintersteiger
2019-02-15 17:21:04 +00:00
committed by Janos Follath
parent 537f41ebbf
commit efdf4d7baa
2 changed files with 8 additions and 15 deletions
Download Patch File Download Diff File Expand all files Collapse all files

14
3rdparty/everest/library/x25519.c vendored
View File

@@ -152,14 +152,14 @@ int mbedtls_x25519_make_public( mbedtls_x25519_context *ctx, size_t *olen,
int( *f_rng )(void *, unsigned char *, size_t),
void *p_rng )
{
int ret = 0;
unsigned char base[MBEDTLS_X25519_KEY_SIZE_BYTES] = { 0 };
/* CMW: Is it okay that f_rng, p_rng are not used? */
(( void )f_rng);
(( void )p_rng);
if( ctx == NULL )
return(MBEDTLS_ERR_ECP_BAD_INPUT_DATA);
return( MBEDTLS_ERR_ECP_BAD_INPUT_DATA );
if( ( ret = f_rng( p_rng, ctx->our_secret, MBEDTLS_X25519_KEY_SIZE_BYTES ) ) != 0 )
return ret;
*olen = 33;
if( blen < *olen )
@@ -173,7 +173,7 @@ int mbedtls_x25519_make_public( mbedtls_x25519_context *ctx, size_t *olen,
if( memcmp( buf, base, MBEDTLS_X25519_KEY_SIZE_BYTES ) == 0 )
return MBEDTLS_ERR_ECP_RANDOM_FAILED;
return(0);
return( ret );
}
int mbedtls_x25519_read_public( mbedtls_x25519_context *ctx,
@@ -184,7 +184,7 @@ int mbedtls_x25519_read_public( mbedtls_x25519_context *ctx,
if( (*buf++ != MBEDTLS_X25519_KEY_SIZE_BYTES) )
return(MBEDTLS_ERR_ECP_BAD_INPUT_DATA);
memcpy( ctx->peer_point, buf, MBEDTLS_X25519_KEY_SIZE_BYTES );
return(0);
return( 0 );
}