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Merge pull request #5833 from superna9999/5826-create-mbedtls-pk-can-do-psa

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Permissions 1: create `mbedtls_pk_can_do_ext()`
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Manuel Pégourié-Gonnard
2022-05-23 10:58:32 +02:00
committed by GitHub
parent e4d3a6a4e8 b2f2b027c2
commit 69e348db85
4 changed files with 461 additions and 0 deletions
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32
include/mbedtls/pk.h
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@ -411,6 +411,38 @@ static inline size_t mbedtls_pk_get_len( const mbedtls_pk_context *ctx )
*/
int mbedtls_pk_can_do( const mbedtls_pk_context *ctx, mbedtls_pk_type_t type );
#if defined(MBEDTLS_USE_PSA_CRYPTO)
/**
* \brief Tell if context can do the operation given by PSA algorithm
*
* \param ctx The context to query. It must have been initialized.
* \param alg PSA algorithm to check against, the following are allowed:
* PSA_ALG_RSA_PKCS1V15_SIGN(hash),
* PSA_ALG_RSA_PSS(hash),
* PSA_ALG_RSA_PKCS1V15_CRYPT,
* PSA_ALG_ECDSA(hash),
* PSA_ALG_ECDH, where hash is a specific hash.
* \param usage PSA usage flag to check against, must be composed of:
* PSA_KEY_USAGE_SIGN_HASH
* PSA_KEY_USAGE_DECRYPT
* PSA_KEY_USAGE_DERIVE.
* Context key must match all passed usage flags.
*
* \warning Since the set of allowed algorithms and usage flags may be
* expanded in the future, the return value \c 0 should not
* be taken in account for non-allowed algorithms and usage
* flags.
*
* \return 1 if the context can do operations on the given type.
* \return 0 if the context cannot do the operations on the given
* type, for non-allowed algorithms and usage flags, or
* for a context that has been initialized but not set up
* or that has been cleared with mbedtls_pk_free().
*/
int mbedtls_pk_can_do_ext( const mbedtls_pk_context *ctx, psa_algorithm_t alg,
psa_key_usage_t usage );
#endif /* MBEDTLS_USE_PSA_CRYPTO */
/**
* \brief Verify signature (including padding if relevant).
*