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>
diff --git a/include/mbedtls/pem.h b/include/mbedtls/pem.h
index a2b73f8..c75a124 100644
--- a/include/mbedtls/pem.h
+++ b/include/mbedtls/pem.h
@@ -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 @@
* 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,
@@ -104,6 +113,25 @@
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
*
* \param ctx context to be freed