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Document mutex usage for RSA

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The mutex is now initialized iff ver != 0.

Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
This commit is contained in:
Gilles Peskine
2021-02-09 18:59:42 +01:00
parent 1226ecef01
commit 4337a9cb18
2 changed files with 10 additions and 1 deletions
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6
include/mbedtls/rsa.h
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@@ -97,7 +97,10 @@ extern "C" {
*/
typedef struct mbedtls_rsa_context
{
int ver; /*!< Always 0.*/
int ver; /*!< Reserved for internal purposes.
* Do not set this field in application
* code. Its meaning might change without
* notice. */
size_t len; /*!< The size of \p N in Bytes. */
mbedtls_mpi N; /*!< The public modulus. */
@@ -127,6 +130,7 @@ typedef struct mbedtls_rsa_context
mask generating function used in the
EME-OAEP and EMSA-PSS encodings. */
#if defined(MBEDTLS_THREADING_C)
/* Invariant: the mutex is initialized iff ver != 0. */
mbedtls_threading_mutex_t mutex; /*!< Thread-safety mutex. */
#endif
}