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Work around compressed EC public key in some cases

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This commit is contained in:
Manuel Pégourié-Gonnard
2014-03-19 16:18:38 +01:00
parent eab20d2a9c
commit 5246ee5c59
3 changed files with 46 additions and 50 deletions
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6
include/polarssl/ecp.h
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@ -376,8 +376,10 @@ int ecp_point_write_binary( const ecp_group *grp, const ecp_point *P,
* \param ilen Actual length of input
*
* \return 0 if successful,
* POLARSSL_ERR_ECP_BAD_INPUT_DATA if input is invalid
* POLARSSL_ERR_MPI_MALLOC_FAILED if memory allocation failed
* POLARSSL_ERR_ECP_BAD_INPUT_DATA if input is invalid,
* POLARSSL_ERR_MPI_MALLOC_FAILED if memory allocation failed,
* POLARSSL_ERR_ECP_FEATURE_UNAVAILABLE if the point format
* is not implemented.
*
* \note This function does NOT check that the point actually
* belongs to the given group, see ecp_check_pubkey() for