some cleanups here and there

src/libstrongswan/crypto/rsa/rsa_private_key.c

@@ -44,6 +44,12 @@ extern u_int8_t sha384_oid[19];
 extern u_int8_t sha512_oid[19];
 
 
+/**
+ * defined in rsa_public_key.c
+ */
+extern chunk_t rsa_public_key_info_to_asn1(const mpz_t n, const mpz_t e);
+
+
 /**
  *  Public exponent to use for key generation.
  */

src/libstrongswan/crypto/rsa/rsa_public_key.c

@@ -408,7 +408,8 @@ private_rsa_public_key_t *rsa_public_key_create_empty(void)
 }
 
 /**
- * Build a DER-encoded publicKeyInfo object from an RSA public key
+ * Build a DER-encoded publicKeyInfo object from an RSA public key.
+ * Also used in rsa_private_key.c.
  */
 chunk_t rsa_public_key_info_to_asn1(const mpz_t n, const mpz_t e)
 {

src/libstrongswan/crypto/rsa/rsa_public_key.h

@@ -163,15 +163,4 @@ rsa_public_key_t *rsa_public_key_create_from_chunk(chunk_t chunk);
  */
 rsa_public_key_t *rsa_public_key_create_from_file(char *filename);
 
-/**
- * @brief Build a DER-encoded publicKeyInfo object from an RSA public key
- * 
- * @param n					modulus n
- * @param e					public exponent
- * @return 					DER-encoded publicKeyInfo object
- * 
- * @ingroup rsa
- */
-chunk_t rsa_public_key_info_to_asn1(const mpz_t n, const mpz_t e);
-
 #endif /*RSA_PUBLIC_KEY_H_*/