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Minor fixes to parameter validation in ECDH module

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This commit is contained in:
Hanno Becker 2018-12-18 23:32:42 +00:00
parent a7634e8347
commit c81cfece8f
2 changed files with 4 additions and 7 deletions
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6
include/mbedtls/ecdh.h
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@ -312,8 +312,8 @@ int mbedtls_ecdh_read_params( mbedtls_ecdh_context *ctx,
* \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:
* - \c 1: The imported key is ours.
* - \c 0: The imported key is that of the peer.
* - #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.
@ -338,7 +338,7 @@ int mbedtls_ecdh_get_params( mbedtls_ecdh_context *ctx,
* \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 lsength \p blen Bytes.
* 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

5
library/ecdh.c
View file

@ -64,10 +64,6 @@ static int ecdh_gen_public_restartable( mbedtls_ecp_group *grp,
mbedtls_ecp_restart_ctx *rs_ctx )
{
int ret;
ECDH_VALIDATE_RET( grp != NULL );
ECDH_VALIDATE_RET( d != NULL );
ECDH_VALIDATE_RET( Q != NULL );
ECDH_VALIDATE_RET( f_rng != NULL );
/* If multiplication is in progress, we already generated a privkey */
#if defined(MBEDTLS_ECP_RESTARTABLE)
@ -513,6 +509,7 @@ int mbedtls_ecdh_make_public( mbedtls_ecdh_context *ctx, size_t *olen,
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;