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mbedtls_ecp_write_key(): deprecate the old function

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Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
This commit is contained in:
Gilles Peskine
2024-02-19 16:50:39 +01:00
parent 84b9f1b039
commit c0f7a8680f
4 changed files with 19 additions and 4 deletions
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11
include/mbedtls/ecp.h
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@@ -24,6 +24,7 @@
#include "mbedtls/private_access.h"
#include "mbedtls/build_info.h"
#include "mbedtls/platform_util.h"
#include "mbedtls/bignum.h"
@@ -1327,10 +1328,11 @@ int mbedtls_ecp_set_public_key(mbedtls_ecp_group_id grp_id,
int mbedtls_ecp_read_key(mbedtls_ecp_group_id grp_id, mbedtls_ecp_keypair *key,
const unsigned char *buf, size_t buflen);
#if !defined(MBEDTLS_DEPRECATED_REMOVED)
/**
* \brief This function exports an elliptic curve private key.
*
* \note Note that although this function accepts an output
* \deprecated Note that although this function accepts an output
* buffer that is smaller or larger than the key, most key
* import interfaces require the output to have exactly
* key's nominal length. It is generally simplest to
@@ -1340,6 +1342,8 @@ int mbedtls_ecp_read_key(mbedtls_ecp_group_id grp_id, mbedtls_ecp_keypair *key,
* how to calculate the nominal length.
* To avoid this difficulty, use mbedtls_ecp_write_key_ext()
* instead.
* mbedtls_ecp_write_key() is deprecated and will be
* removed in a future version of the library.
*
* \note If the private key was not set in \p key,
* the output is unspecified. Future versions
@@ -1369,8 +1373,9 @@ int mbedtls_ecp_read_key(mbedtls_ecp_group_id grp_id, mbedtls_ecp_keypair *key,
* representation is larger than the available space in \p buf.
* \return Another negative error code on different kinds of failure.
*/
int mbedtls_ecp_write_key(mbedtls_ecp_keypair *key,
unsigned char *buf, size_t buflen);
int MBEDTLS_DEPRECATED mbedtls_ecp_write_key(mbedtls_ecp_keypair *key,
unsigned char *buf, size_t buflen);
#endif /* MBEDTLS_DEPRECATED_REMOVED */
/**
* \brief This function exports an elliptic curve private key.