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Some operations are not supported with Curve25519

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This commit is contained in:
Manuel Pégourié-Gonnard
2013-12-04 20:52:04 +01:00
parent 3d7053a2bb
commit 97871ef236
3 changed files with 20 additions and 0 deletions
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6
include/polarssl/ecp.h
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@@ -444,6 +444,9 @@ int ecp_tls_write_group( const ecp_group *grp, size_t *olen,
*
* \return 0 if successful,
* POLARSSL_ERR_MPI_MALLOC_FAILED if memory allocation failed
*
* \note This function does not support Montgomery curves, such as
* Curve25519.
*/
int ecp_add( const ecp_group *grp, ecp_point *R,
const ecp_point *P, const ecp_point *Q );
@@ -458,6 +461,9 @@ int ecp_add( const ecp_group *grp, ecp_point *R,
*
* \return 0 if successful,
* POLARSSL_ERR_MPI_MALLOC_FAILED if memory allocation failed
*
* \note This function does not support Montgomery curves, such as
* Curve25519.
*/
int ecp_sub( const ecp_group *grp, ecp_point *R,
const ecp_point *P, const ecp_point *Q );