implemented generation of safe primes

src/libstrongswan/credentials/builder.c

@@ -64,6 +64,7 @@ ENUM(builder_part_names, BUILD_FROM_FILE, BUILD_END,
 	"BUILD_RSA_EXP1",
 	"BUILD_RSA_EXP2",
 	"BUILD_RSA_COEFF",
+	"BUILD_SAFE_PRIMES",
 	"BUILD_END",
 );
 

src/libstrongswan/credentials/builder.h

@@ -139,6 +139,8 @@ enum builder_part_t {
 	BUILD_RSA_EXP2,
 	/** coefficient (coeff) of a RSA key, chunk_t */
 	BUILD_RSA_COEFF,
+	/** generate (p) and (q) as safe primes */
+	BUILD_SAFE_PRIMES,
 	/** end of variable argument builder list */
 	BUILD_END,
 };