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Add ecdh_{make,read}_public()

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Manuel Pégourié-Gonnard
2013-02-11 21:51:45 +01:00
parent 854fbd7ba2
commit 5cceb41d2c
3 changed files with 59 additions and 0 deletions
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27
include/polarssl/ecdh.h
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@@ -122,6 +122,33 @@ int ecdh_make_params( ecdh_context *ctx, size_t *olen,
int ecdh_read_params( ecdh_context *ctx,
const unsigned char **buf, const unsigned char *end );
/**
* \brief Setup and export the client's public value
*
* \param ctx ECDH context
* \param olen number of bytes actually written
* \param buf destination buffer
* \param blen size of destination buffer
*
* \return 0 if successful, or an POLARSSL_ERR_ECP_XXX error code
*/
int ecdh_make_public( ecdh_context *ctx, size_t *olen,
unsigned char *buf, size_t blen,
int (*f_rng)(void *, unsigned char *, size_t),
void *p_rng );
/**
* \brief Parse and import the client's public value
*
* \param ctx ECDH context
* \param buf start of input buffer
* \param blen length of input buffer
*
* \return 0 if successful, or an POLARSSL_ERR_ECP_XXX error code
*/
int ecdh_read_public( ecdh_context *ctx,
const unsigned char *buf, size_t blen );
/**
* \brief Checkup routine
*