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pk_set_type() cannot be used to reset key type

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Manuel Pégourié-Gonnard
2013-07-09 10:21:34 +02:00
committed by Paul Bakker
parent 0a64e8f1fd
commit 374e4b87d4
4 changed files with 24 additions and 2 deletions
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8
include/polarssl/pk.h
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@@ -28,6 +28,7 @@
#define POLARSSL_PK_H
#define POLARSSL_ERR_PK_MALLOC_FAILED -0x2F80 /**< Memory alloation failed. */
#define POLARSSL_ERR_PK_TYPE_MISMATCH -0x2F00 /**< Type mismatch, eg attempt to use a RSA key as EC, or to modify key type */
#ifdef __cplusplus
extern "C" {
@@ -72,7 +73,12 @@ void pk_free( pk_context *ctx );
* \param ctx Context to initialize
* \param type Type of key
*
* \return O on success, or POLARSSL_ERR_PK_MALLOC_FAILED
* \note Once the type of a key has been set, it cannot be reset.
* If you want to do so, you need to use pk_free() first.
*
* \return O on success,
* POLARSSL_ERR_PK_MALLOC_FAILED on memory allocation fail,
* POLARSSL_ERR_PK_TYPE_MISMATCH on attempts to reset type.
*/
int pk_set_type( pk_context *ctx, pk_type_t type );