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Merge remote-tracking branch 'public/pr/2299' into development

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This commit is contained in:
Simon Butcher 2018-12-20 12:02:23 +00:00
commit 70935a4001
4 changed files with 287 additions and 79 deletions
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153
include/mbedtls/ecdh.h
View file

@ -149,11 +149,16 @@ mbedtls_ecdh_context;
*
* \see ecp.h
*
* \param grp The ECP group.
* \param grp The ECP group to use. This must be initialized and have
* domain parameters loaded, for example through
* mbedtls_ecp_load() or mbedtls_ecp_tls_read_group().
* \param d The destination MPI (private key).
* This must be initialized.
* \param Q The destination point (public key).
* \param f_rng The RNG function.
* \param p_rng The RNG context.
* This must be initialized.
* \param f_rng The RNG function to use. This must not be \c NULL.
* \param p_rng The RNG context to be passed to \p f_rng. This may be
* \c NULL in case \p f_rng doesn't need a context argument.
*
* \return \c 0 on success.
* \return Another \c MBEDTLS_ERR_ECP_XXX or
@ -176,12 +181,22 @@ int mbedtls_ecdh_gen_public( mbedtls_ecp_group *grp, mbedtls_mpi *d, mbedtls_ecp
* countermeasures against side-channel attacks.
* For more information, see mbedtls_ecp_mul().
*
* \param grp The ECP group.
* \param grp The ECP group to use. This must be initialized and have
* domain parameters loaded, for example through
* mbedtls_ecp_load() or mbedtls_ecp_tls_read_group().
* \param z The destination MPI (shared secret).
* This must be initialized.
* \param Q The public key from another party.
* This must be initialized.
* \param d Our secret exponent (private key).
* \param f_rng The RNG function.
* \param p_rng The RNG context.
* This must be initialized.
* \param f_rng The RNG function. This may be \c NULL if randomization
* of intermediate results during the ECP computations is
* not needed (discouraged). See the documentation of
* mbedtls_ecp_mul() for more.
* \param p_rng The RNG context to be passed to \p f_rng. This may be
* \c NULL if \p f_rng is \c NULL or doesn't need a
* context argument.
*
* \return \c 0 on success.
* \return Another \c MBEDTLS_ERR_ECP_XXX or
@ -195,7 +210,7 @@ int mbedtls_ecdh_compute_shared( mbedtls_ecp_group *grp, mbedtls_mpi *z,
/**
* \brief This function initializes an ECDH context.
*
* \param ctx The ECDH context to initialize.
* \param ctx The ECDH context to initialize. This must not be \c NULL.
*/
void mbedtls_ecdh_init( mbedtls_ecdh_context *ctx );
@ -210,39 +225,42 @@ void mbedtls_ecdh_init( mbedtls_ecdh_context *ctx );
* This is the first function used by a TLS server for ECDHE
* ciphersuites.
*
* \param ctx The ECDH context to set up.
* \param ctx The ECDH context to set up. This must be initialized.
* \param grp_id The group id of the group to set up the context for.
*
* \return \c 0 on success.
*/
int mbedtls_ecdh_setup( mbedtls_ecdh_context *ctx, mbedtls_ecp_group_id grp_id );
int mbedtls_ecdh_setup( mbedtls_ecdh_context *ctx,
mbedtls_ecp_group_id grp_id );
/**
* \brief This function frees a context.
*
* \param ctx The context to free.
* \param ctx The context to free. This may be \c NULL, in which
* case this function does nothing. If it is not \c NULL,
* it must point to an initialized ECDH context.
*/
void mbedtls_ecdh_free( mbedtls_ecdh_context *ctx );
/**
* \brief This function generates a public key and a TLS
* ServerKeyExchange payload.
* \brief This function generates an EC key pair and exports its
* in the format used in a TLS ServerKeyExchange handshake
* message.
*
* This is the second function used by a TLS server for ECDHE
* ciphersuites. (It is called after mbedtls_ecdh_setup().)
*
* \note This function assumes that the ECP group (grp) of the
* \p ctx context has already been properly set,
* for example, using mbedtls_ecp_group_load().
*
* \see ecp.h
*
* \param ctx The ECDH context.
* \param olen The number of characters written.
* \param buf The destination buffer.
* \param blen The length of the destination buffer.
* \param f_rng The RNG function.
* \param p_rng The RNG context.
* \param ctx The ECDH context to use. This must be initialized
* and bound to a group, for example via mbedtls_ecdh_setup().
* \param olen The address at which to store the number of Bytes written.
* \param buf The destination buffer. This must be a writable buffer of
* length \p blen Bytes.
* \param blen The length of the destination buffer \p buf in Bytes.
* \param f_rng The RNG function to use. This must not be \c NULL.
* \param p_rng The RNG context to be passed to \p f_rng. This may be
* \c NULL in case \p f_rng doesn't need a context argument.
*
* \return \c 0 on success.
* \return #MBEDTLS_ERR_ECP_IN_PROGRESS if maximum number of
@ -255,24 +273,32 @@ int mbedtls_ecdh_make_params( mbedtls_ecdh_context *ctx, size_t *olen,
void *p_rng );
/**
* \brief This function parses and processes a TLS ServerKeyExhange
* payload.
* \brief This function parses the ECDHE parameters in a
* TLS ServerKeyExchange handshake message.
*
* This is the first function used by a TLS client for ECDHE
* ciphersuites.
* \note In a TLS handshake, this is the how the client
* sets up its ECDHE context from the server's public
* ECDHE key material.
*
* \see ecp.h
*
* \param ctx The ECDH context.
* \param buf The pointer to the start of the input buffer.
* \param end The address for one Byte past the end of the buffer.
* \param ctx The ECDHE context to use. This must be initialized.
* \param buf On input, \c *buf must be the start of the input buffer.
* On output, \c *buf is updated to point to the end of the
* data that has been read. On success, this is the first byte
* past the end of the ServerKeyExchange parameters.
* On error, this is the point at which an error has been
* detected, which is usually not useful except to debug
* failures.
* \param end The end of the input buffer.
*
* \return \c 0 on success.
* \return An \c MBEDTLS_ERR_ECP_XXX error code on failure.
*
*/
int mbedtls_ecdh_read_params( mbedtls_ecdh_context *ctx,
const unsigned char **buf, const unsigned char *end );
const unsigned char **buf,
const unsigned char *end );
/**
* \brief This function sets up an ECDH context from an EC key.
@ -283,33 +309,40 @@ int mbedtls_ecdh_read_params( mbedtls_ecdh_context *ctx,
*
* \see ecp.h
*
* \param ctx The ECDH context to set up.
* \param key The EC key to use.
* \param side Defines the source of the key: 1: Our key, or
* 0: The key of the peer.
* \param ctx The ECDH context to set up. This must be initialized.
* \param key The EC key to use. This must be initialized.
* \param side Defines the source of the key. Possible values are:
* - #MBEDTLS_ECDH_OURS: The key is ours.
* - #MBEDTLS_ECDH_THEIRS: The key is that of the peer.
*
* \return \c 0 on success.
* \return Another \c MBEDTLS_ERR_ECP_XXX error code on failure.
*
*/
int mbedtls_ecdh_get_params( mbedtls_ecdh_context *ctx, const mbedtls_ecp_keypair *key,
int mbedtls_ecdh_get_params( mbedtls_ecdh_context *ctx,
const mbedtls_ecp_keypair *key,
mbedtls_ecdh_side side );
/**
* \brief This function generates a public key and a TLS
* ClientKeyExchange payload.
* \brief This function generates a public key and exports it
* as a TLS ClientKeyExchange payload.
*
* This is the second function used by a TLS client for ECDH(E)
* ciphersuites.
*
* \see ecp.h
*
* \param ctx The ECDH context.
* \param olen The number of Bytes written.
* \param buf The destination buffer.
* \param blen The size of the destination buffer.
* \param f_rng The RNG function.
* \param p_rng The RNG context.
* \param ctx The ECDH context to use. This must be initialized
* and bound to a group, the latter usually by
* mbedtls_ecdh_read_params().
* \param olen The address at which to store the number of Bytes written.
* This must not be \c NULL.
* \param buf The destination buffer. This must be a writable buffer
* of length \p blen Bytes.
* \param blen The size of the destination buffer \p buf in Bytes.
* \param f_rng The RNG function to use. This must not be \c NULL.
* \param p_rng The RNG context to be passed to \p f_rng. This may be
* \c NULL in case \p f_rng doesn't need a context argument.
*
* \return \c 0 on success.
* \return #MBEDTLS_ERR_ECP_IN_PROGRESS if maximum number of
@ -322,8 +355,8 @@ int mbedtls_ecdh_make_public( mbedtls_ecdh_context *ctx, size_t *olen,
void *p_rng );
/**
* \brief This function parses and processes a TLS ClientKeyExchange
* payload.
* \brief This function parses and processes the ECDHE payload of a
* TLS ClientKeyExchange message.
*
* This is the third function used by a TLS server for ECDH(E)
* ciphersuites. (It is called after mbedtls_ecdh_setup() and
@ -331,9 +364,11 @@ int mbedtls_ecdh_make_public( mbedtls_ecdh_context *ctx, size_t *olen,
*
* \see ecp.h
*
* \param ctx The ECDH context.
* \param buf The start of the input buffer.
* \param blen The length of the input buffer.
* \param ctx The ECDH context to use. This must be initialized
* and bound to a group, for example via mbedtls_ecdh_setup().
* \param buf The pointer to the ClientKeyExchange payload. This must
* be a readable buffer of length \p blen Bytes.
* \param blen The length of the input buffer \p buf in Bytes.
*
* \return \c 0 on success.
* \return An \c MBEDTLS_ERR_ECP_XXX error code on failure.
@ -352,13 +387,19 @@ int mbedtls_ecdh_read_public( mbedtls_ecdh_context *ctx,
* For more information, see mbedtls_ecp_mul().
*
* \see ecp.h
*
* \param ctx The ECDH context.
* \param olen The number of Bytes written.
* \param buf The destination buffer.
* \param blen The length of the destination buffer.
* \param f_rng The RNG function.
* \param p_rng The RNG context.
* \param ctx The ECDH context to use. This must be initialized
* and have its own private key generated and the peer's
* public key imported.
* \param olen The address at which to store the total number of
* Bytes written on success. This must not be \c NULL.
* \param buf The buffer to write the generated shared key to. This
* must be a writable buffer of size \p blen Bytes.
* \param blen The length of the destination buffer \p buf in Bytes.
* \param f_rng The RNG function, for blinding purposes. This may
* b \c NULL if blinding isn't needed.
* \param p_rng The RNG context. This may be \c NULL if \p f_rng
* doesn't need a context argument.
*
* \return \c 0 on success.
* \return #MBEDTLS_ERR_ECP_IN_PROGRESS if maximum number of
@ -381,7 +422,7 @@ int mbedtls_ecdh_calc_secret( mbedtls_ecdh_context *ctx, size_t *olen,
* computations once enabled, except by free-ing the context,
* which cancels possible in-progress operations.
*
* \param ctx The ECDH context.
* \param ctx The ECDH context to use. This must be initialized.
*/
void mbedtls_ecdh_enable_restart( mbedtls_ecdh_context *ctx );
#endif /* MBEDTLS_ECP_RESTARTABLE */

61
library/ecdh.c
View file

@ -35,9 +35,16 @@
#if defined(MBEDTLS_ECDH_C)
#include "mbedtls/ecdh.h"
#include "mbedtls/platform_util.h"
#include <string.h>
/* Parameter validation macros based on platform_util.h */
#define ECDH_VALIDATE_RET( cond ) \
MBEDTLS_INTERNAL_VALIDATE_RET( cond, MBEDTLS_ERR_ECP_BAD_INPUT_DATA )
#define ECDH_VALIDATE( cond ) \
MBEDTLS_INTERNAL_VALIDATE( cond )
#if defined(MBEDTLS_ECDH_LEGACY_CONTEXT)
typedef mbedtls_ecdh_context mbedtls_ecdh_context_mbed;
#endif
@ -78,6 +85,10 @@ int mbedtls_ecdh_gen_public( mbedtls_ecp_group *grp, mbedtls_mpi *d, mbedtls_ecp
int (*f_rng)(void *, unsigned char *, size_t),
void *p_rng )
{
ECDH_VALIDATE_RET( grp != NULL );
ECDH_VALIDATE_RET( d != NULL );
ECDH_VALIDATE_RET( Q != NULL );
ECDH_VALIDATE_RET( f_rng != NULL );
return( ecdh_gen_public_restartable( grp, d, Q, f_rng, p_rng, NULL ) );
}
#endif /* !MBEDTLS_ECDH_GEN_PUBLIC_ALT */
@ -123,6 +134,10 @@ int mbedtls_ecdh_compute_shared( mbedtls_ecp_group *grp, mbedtls_mpi *z,
int (*f_rng)(void *, unsigned char *, size_t),
void *p_rng )
{
ECDH_VALIDATE_RET( grp != NULL );
ECDH_VALIDATE_RET( Q != NULL );
ECDH_VALIDATE_RET( d != NULL );
ECDH_VALIDATE_RET( z != NULL );
return( ecdh_compute_shared_restartable( grp, z, Q, d,
f_rng, p_rng, NULL ) );
}
@ -146,6 +161,8 @@ static void ecdh_init_internal( mbedtls_ecdh_context_mbed *ctx )
*/
void mbedtls_ecdh_init( mbedtls_ecdh_context *ctx )
{
ECDH_VALIDATE( ctx != NULL );
#if defined(MBEDTLS_ECDH_LEGACY_CONTEXT)
ecdh_init_internal( ctx );
mbedtls_ecp_point_init( &ctx->Vi );
@ -181,8 +198,7 @@ static int ecdh_setup_internal( mbedtls_ecdh_context_mbed *ctx,
*/
int mbedtls_ecdh_setup( mbedtls_ecdh_context *ctx, mbedtls_ecp_group_id grp_id )
{
if( ctx == NULL )
return( MBEDTLS_ERR_ECP_BAD_INPUT_DATA );
ECDH_VALIDATE_RET( ctx != NULL );
#if defined(MBEDTLS_ECDH_LEGACY_CONTEXT)
return( ecdh_setup_internal( ctx, grp_id ) );
@ -218,8 +234,7 @@ static void ecdh_free_internal( mbedtls_ecdh_context_mbed *ctx )
*/
void mbedtls_ecdh_enable_restart( mbedtls_ecdh_context *ctx )
{
if( ctx == NULL )
return;
ECDH_VALIDATE( ctx != NULL );
ctx->restart_enabled = 1;
}
@ -318,9 +333,10 @@ int mbedtls_ecdh_make_params( mbedtls_ecdh_context *ctx, size_t *olen,
void *p_rng )
{
int restart_enabled = 0;
if( ctx == NULL )
return( MBEDTLS_ERR_ECP_BAD_INPUT_DATA );
ECDH_VALIDATE_RET( ctx != NULL );
ECDH_VALIDATE_RET( olen != NULL );
ECDH_VALIDATE_RET( buf != NULL );
ECDH_VALIDATE_RET( f_rng != NULL );
#if defined(MBEDTLS_ECP_RESTARTABLE)
restart_enabled = ctx->restart_enabled;
@ -366,9 +382,10 @@ int mbedtls_ecdh_read_params( mbedtls_ecdh_context *ctx,
{
int ret;
mbedtls_ecp_group_id grp_id;
if( ctx == NULL )
return( MBEDTLS_ERR_ECP_BAD_INPUT_DATA );
ECDH_VALIDATE_RET( ctx != NULL );
ECDH_VALIDATE_RET( buf != NULL );
ECDH_VALIDATE_RET( *buf != NULL );
ECDH_VALIDATE_RET( end != NULL );
if( ( ret = mbedtls_ecp_tls_read_group_id( &grp_id, buf, end - *buf ) )
!= 0 )
@ -420,9 +437,10 @@ int mbedtls_ecdh_get_params( mbedtls_ecdh_context *ctx,
mbedtls_ecdh_side side )
{
int ret;
if( ctx == NULL )
return( MBEDTLS_ERR_ECP_BAD_INPUT_DATA );
ECDH_VALIDATE_RET( ctx != NULL );
ECDH_VALIDATE_RET( key != NULL );
ECDH_VALIDATE_RET( side == MBEDTLS_ECDH_OURS ||
side == MBEDTLS_ECDH_THEIRS );
if( ( ret = mbedtls_ecdh_setup( ctx, key->grp.id ) ) != 0 )
return( ret );
@ -488,9 +506,10 @@ int mbedtls_ecdh_make_public( mbedtls_ecdh_context *ctx, size_t *olen,
void *p_rng )
{
int restart_enabled = 0;
if( ctx == NULL )
return( MBEDTLS_ERR_ECP_BAD_INPUT_DATA );
ECDH_VALIDATE_RET( ctx != NULL );
ECDH_VALIDATE_RET( olen != NULL );
ECDH_VALIDATE_RET( buf != NULL );
ECDH_VALIDATE_RET( f_rng != NULL );
#if defined(MBEDTLS_ECP_RESTARTABLE)
restart_enabled = ctx->restart_enabled;
@ -535,8 +554,8 @@ static int ecdh_read_public_internal( mbedtls_ecdh_context_mbed *ctx,
int mbedtls_ecdh_read_public( mbedtls_ecdh_context *ctx,
const unsigned char *buf, size_t blen )
{
if( ctx == NULL )
return( MBEDTLS_ERR_ECP_BAD_INPUT_DATA );
ECDH_VALIDATE_RET( ctx != NULL );
ECDH_VALIDATE_RET( buf != NULL );
#if defined(MBEDTLS_ECDH_LEGACY_CONTEXT)
return( ecdh_read_public_internal( ctx, buf, blen ) );
@ -607,9 +626,9 @@ int mbedtls_ecdh_calc_secret( mbedtls_ecdh_context *ctx, size_t *olen,
void *p_rng )
{
int restart_enabled = 0;
if( ctx == NULL )
return( MBEDTLS_ERR_ECP_BAD_INPUT_DATA );
ECDH_VALIDATE_RET( ctx != NULL );
ECDH_VALIDATE_RET( olen != NULL );
ECDH_VALIDATE_RET( buf != NULL );
#if defined(MBEDTLS_ECP_RESTARTABLE)
restart_enabled = ctx->restart_enabled;

6
tests/suites/test_suite_ecdh.data
View file

@ -1,3 +1,9 @@
ECDH - Valid parameters
ecdh_valid_param:
ECDH - Invalid parameters
ecdh_invalid_param:
ECDH primitive random #1
depends_on:MBEDTLS_ECP_DP_SECP192R1_ENABLED
ecdh_primitive_random:MBEDTLS_ECP_DP_SECP192R1

142
tests/suites/test_suite_ecdh.function
View file

@ -7,6 +7,148 @@
* END_DEPENDENCIES
*/
/* BEGIN_CASE */
void ecdh_valid_param( )
{
TEST_VALID_PARAM( mbedtls_ecdh_free( NULL ) );
}
/* END_CASE */
/* BEGIN_CASE depends_on:MBEDTLS_CHECK_PARAMS:!MBEDTLS_PARAM_FAILED_ALT */
void ecdh_invalid_param( )
{
mbedtls_ecp_group grp;
mbedtls_ecdh_context ctx;
mbedtls_mpi m;
mbedtls_ecp_point P;
mbedtls_ecp_keypair kp;
size_t olen;
unsigned char buf[42] = { 0 };
const unsigned char *buf_null = NULL;
size_t const buflen = sizeof( buf );
int invalid_side = 42;
mbedtls_ecp_group_id valid_grp = MBEDTLS_ECP_DP_SECP192R1;
TEST_INVALID_PARAM( mbedtls_ecdh_init( NULL ) );
#if defined(MBEDTLS_ECP_RESTARTABLE)
TEST_INVALID_PARAM( mbedtls_ecdh_enable_restart( NULL ) );
#endif /* MBEDTLS_ECP_RESTARTABLE */
TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA,
mbedtls_ecdh_gen_public( NULL, &m, &P,
rnd_std_rand, NULL ) );
TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA,
mbedtls_ecdh_gen_public( &grp, NULL, &P,
rnd_std_rand, NULL ) );
TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA,
mbedtls_ecdh_gen_public( &grp, &m, NULL,
rnd_std_rand, NULL ) );
TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA,
mbedtls_ecdh_gen_public( &grp, &m, &P,
NULL, NULL ) );
TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA,
mbedtls_ecdh_compute_shared( NULL, &m, &P, &m,
rnd_std_rand, NULL ) );
TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA,
mbedtls_ecdh_compute_shared( &grp, NULL, &P, &m,
rnd_std_rand, NULL ) );
TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA,
mbedtls_ecdh_compute_shared( &grp, &m, NULL, &m,
rnd_std_rand, NULL ) );
TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA,
mbedtls_ecdh_compute_shared( &grp, &m, &P, NULL,
rnd_std_rand, NULL ) );
TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA,
mbedtls_ecdh_setup( NULL, valid_grp ) );
TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA,
mbedtls_ecdh_make_params( NULL, &olen,
buf, buflen,
rnd_std_rand, NULL ) );
TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA,
mbedtls_ecdh_make_params( &ctx, NULL,
buf, buflen,
rnd_std_rand, NULL ) );
TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA,
mbedtls_ecdh_make_params( &ctx, &olen,
NULL, buflen,
rnd_std_rand, NULL ) );
TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA,
mbedtls_ecdh_make_params( &ctx, &olen,
buf, buflen,
NULL, NULL ) );
TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA,
mbedtls_ecdh_read_params( NULL,
(const unsigned char**) &buf,
buf ) );
TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA,
mbedtls_ecdh_read_params( &ctx, &buf_null,
buf ) );
TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA,
mbedtls_ecdh_read_params( &ctx, NULL, buf ) );
TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA,
mbedtls_ecdh_read_params( &ctx,
(const unsigned char**) &buf,
NULL ) );
TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA,
mbedtls_ecdh_get_params( NULL, &kp,
MBEDTLS_ECDH_OURS ) );
TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA,
mbedtls_ecdh_get_params( &ctx, NULL,
MBEDTLS_ECDH_OURS ) );
TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA,
mbedtls_ecdh_get_params( &ctx, &kp,
invalid_side ) );
TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA,
mbedtls_ecdh_make_public( NULL, &olen,
buf, buflen,
rnd_std_rand,
NULL ) );
TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA,
mbedtls_ecdh_make_public( &ctx, NULL,
buf, buflen,
rnd_std_rand,
NULL ) );
TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA,
mbedtls_ecdh_make_public( &ctx, &olen,
NULL, buflen,
rnd_std_rand,
NULL ) );
TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA,
mbedtls_ecdh_make_public( &ctx, &olen,
buf, buflen,
NULL,
NULL ) );
TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA,
mbedtls_ecdh_read_public( NULL, buf, buflen ) );
TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA,
mbedtls_ecdh_read_public( &ctx, NULL, buflen ) );
TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA,
mbedtls_ecdh_calc_secret( NULL, &olen, buf, buflen,
rnd_std_rand,
NULL ) );
TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA,
mbedtls_ecdh_calc_secret( &ctx, NULL, buf, buflen,
rnd_std_rand,
NULL ) );
TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA,
mbedtls_ecdh_calc_secret( &ctx, &olen, NULL, buflen,
rnd_std_rand,
NULL ) );
exit:
return;
}
/* END_CASE */
/* BEGIN_CASE */
void ecdh_primitive_random( int id )
{