diff options
Diffstat (limited to 'src/lib/pk_pad/emsa.h')
| -rw-r--r-- | src/lib/pk_pad/emsa.h | 20 |
1 files changed, 18 insertions, 2 deletions
diff --git a/src/lib/pk_pad/emsa.h b/src/lib/pk_pad/emsa.h index c2e352325..5a8f0daec 100644 --- a/src/lib/pk_pad/emsa.h +++ b/src/lib/pk_pad/emsa.h @@ -22,12 +22,28 @@ class RandomNumberGenerator; * * Any way of encoding/padding signatures */ -class EMSA +class BOTAN_TEST_API EMSA { public: virtual ~EMSA() = default; /** + * Factory method for EMSA (message-encoding methods for signatures + * with appendix) objects + * @param algo_spec the name of the EMSA to create + * @return pointer to newly allocated object of that type, or nullptr + */ + static std::unique_ptr<EMSA> create(const std::string& algo_spec); + + /** + * Factory method for EMSA (message-encoding methods for signatures + * with appendix) objects + * @param algo_spec the name of the EMSA to create + * @return pointer to newly allocated object of that type, or throws + */ + static std::unique_ptr<EMSA> create_or_throw(const std::string& algo_spec); + + /** * Add more data to the signature computation * @param input some data * @param length length of input in bytes @@ -75,7 +91,7 @@ class EMSA /** * @return a new object representing the same encoding method as *this */ - virtual EMSA* clone() = 0; + virtual std::unique_ptr<EMSA> new_object() = 0; /** * @return the SCAN name of the encoding/padding scheme |