Add accessor to get buf from mbedtls_pem_context

Co-authored-by: Gilles Peskine <gilles.peskine@arm.com>
Signed-off-by: Glenn Strauss <gstrauss@gluelogic.com>
This commit is contained in:
Glenn Strauss 2022-02-04 10:32:17 -05:00
parent 6a0b1ef27e
commit 72bd4e4d6a
3 changed files with 39 additions and 0 deletions

View file

@ -27,6 +27,11 @@
#include <stddef.h>
#if ( defined(__ARMCC_VERSION) || defined(_MSC_VER) ) && \
!defined(inline) && !defined(__cplusplus)
#define inline __inline
#endif
/**
* \name PEM Error codes
* These error codes are returned in case of errors reading the
@ -96,6 +101,10 @@ void mbedtls_pem_init( mbedtls_pem_context *ctx );
* the decrypted text starts with an ASN.1 sequence of
* appropriate length
*
* \note \c mbedtls_pem_free must be called on PEM context before
* the PEM context can be reused in another call to
* \c mbedtls_pem_read_buffer
*
* \return 0 on success, or a specific PEM error code
*/
int mbedtls_pem_read_buffer( mbedtls_pem_context *ctx, const char *header, const char *footer,
@ -103,6 +112,25 @@ int mbedtls_pem_read_buffer( mbedtls_pem_context *ctx, const char *header, const
const unsigned char *pwd,
size_t pwdlen, size_t *use_len );
/**
* \brief Get the pointer to the decoded binary data in a PEM context.
*
* \param ctx PEM context to access.
* \param buflen On success, this will contain the length of the binary data.
* This must be a valid (non-null) pointer.
*
* \return A pointer to the decoded binary data.
*
* \note The returned pointer remains valid only until \p ctx is
modified or freed.
*/
static inline const unsigned char *mbedtls_pem_get_buffer( mbedtls_pem_context *ctx, size_t *buflen )
{
*buflen = ctx->MBEDTLS_PRIVATE(buflen);
return( ctx->MBEDTLS_PRIVATE(buf) );
}
/**
* \brief PEM context memory freeing
*