Cpp: Add support for pubkey_algo_name

* lang/cpp/src/key.cpp (Subkey::algoName): New.
* lang/cpp/src/key.h: Declare.

1 files changed, 19 insertions, 0 deletions

diff --git a/lang/cpp/src/key.h b/lang/cpp/src/key.h
index 30badeaa..7322f650 100644
--- a/lang/cpp/src/key.h
+++ b/lang/cpp/src/key.h
@@ -206,8 +206,27 @@ public:
     bool isSecret() const;
 
     unsigned int publicKeyAlgorithm() const;
+
+    /**
+      @brief Get the public key algorithm name.
+
+      This only works for the pre 2.1 algorithms for ECC NULL is returned.
+
+      @returns a statically allocated string with the name of the public
+               key algorithm, or NULL if that name is not known.
+    */
     const char *publicKeyAlgorithmAsString() const;
 
+    /**
+       @brief Get the key algo string like GnuPG 2.1 prints it.
+
+       This returns combinations of size and algorithm. Like
+       bp512 or rsa2048
+
+       @returns the key algorithm as string. Empty string on error.
+    */
+    std::string algoName() const;
+
     unsigned int length() const;
 
     const char *cardSerialNumber() const;