Make functions static that are only accessed from the same compilation unit

Also removed some declarations for undefined functions.

src/libstrongswan/plugins/aesni/aesni_cmac.c

@@ -305,10 +305,10 @@ METHOD(mac_t, destroy, void,
 	free_align(this);
 }
 
-/*
- * Described in header
+/**
+ * Create a generic mac_t object using AESNI CMAC
  */
-mac_t *aesni_cmac_create(encryption_algorithm_t algo, size_t key_size)
+static mac_t *aesni_cmac_create(encryption_algorithm_t algo, size_t key_size)
 {
 	private_mac_t *this;
 

src/libstrongswan/plugins/aesni/aesni_cmac.h

@@ -26,14 +26,6 @@
 #include <crypto/prfs/prf.h>
 #include <crypto/signers/signer.h>
 
-/**
- * Create a generic mac_t object using AESNI CMAC.
- *
- * @param algo		underlying encryption algorithm
- * @param key_size	size of encryption key, in bytes
- */
-mac_t *aesni_cmac_create(encryption_algorithm_t algo, size_t key_size);
-
 /**
  * Creates a new prf_t object based AESNI CMAC.
  *

src/libstrongswan/plugins/aesni/aesni_xcbc.c

@@ -301,10 +301,10 @@ METHOD(mac_t, destroy, void,
 	free_align(this);
 }
 
-/*
- * Described in header
+/**
+ * Create a generic mac_t object using AESNI XCBC
  */
-mac_t *aesni_xcbc_create(encryption_algorithm_t algo, size_t key_size)
+static mac_t *aesni_xcbc_create(encryption_algorithm_t algo, size_t key_size)
 {
 	private_aesni_mac_t *this;
 

src/libstrongswan/plugins/aesni/aesni_xcbc.h

@@ -26,14 +26,6 @@
 #include <crypto/prfs/prf.h>
 #include <crypto/signers/signer.h>
 
-/**
- * Create a generic mac_t object using AESNI XCBC
- *
- * @param algo		underlying encryption algorithm
- * @param key_size	size of encryption key, in bytes
- */
-mac_t *aesni_xcbc_create(encryption_algorithm_t algo, size_t key_size);
-
 /**
  * Creates a new prf_t object based AESNI XCBC.
  *

src/libstrongswan/plugins/botan/botan_diffie_hellman.c

@@ -80,7 +80,7 @@ struct private_botan_diffie_hellman_t {
 /**
  * Load a DH private key
  */
-bool load_private_key(private_botan_diffie_hellman_t *this, chunk_t value)
+static bool load_private_key(private_botan_diffie_hellman_t *this, chunk_t value)
 {
 	botan_mp_t xa;
 

src/libstrongswan/plugins/cmac/cmac.c

@@ -310,10 +310,10 @@ METHOD(mac_t, destroy, void,
 	free(this);
 }
 
-/*
- * Described in header
+/**
+ * Create a generic mac_t object
  */
-mac_t *cmac_create(encryption_algorithm_t algo, size_t key_size)
+static mac_t *cmac_create(encryption_algorithm_t algo, size_t key_size)
 {
 	private_mac_t *this;
 	crypter_t *crypter;

src/libstrongswan/plugins/des/des_crypter.c

@@ -531,13 +531,6 @@ YOU SHOULD NOT HAVE BOTH DES_RISC1 AND DES_RISC2 DEFINED!!!!!
 	PERM_OP(l,r,tt, 4,0x0f0f0f0fL); \
 }
 
-#ifndef NOPROTO
-void fcrypt_body(DES_LONG *out,des_key_schedule ks,
-				 DES_LONG Eswap0, DES_LONG Eswap1);
-#else
-void fcrypt_body();
-#endif
-
 static const DES_LONG des_skb[8][64]={
 	{	/* for C bits (numbered as per FIPS 46) 1 2 3 4 5 6 */
 		0x00000000L,0x00000010L,0x20000000L,0x20000010L,

src/libstrongswan/plugins/openssl/openssl_rsa_private_key.h

@@ -73,17 +73,4 @@ openssl_rsa_private_key_t *openssl_rsa_private_key_load(key_type_t type,
  */
 private_key_t *openssl_rsa_private_key_create(EVP_PKEY *key, bool engine);
 
-/**
- * Connect to a RSA private key on a smartcard.
- *
- * Accepts the BUILD_SMARTCARD_KEYID and the BUILD_SMARTCARD_PIN
- * arguments.
- *
- * @param type		type of the key, must be KEY_RSA
- * @param args		builder_part_t argument list
- * @return 			loaded key, NULL on failure
- */
-openssl_rsa_private_key_t *openssl_rsa_private_key_connect(key_type_t type,
-														   va_list args);
-
 #endif /** OPENSSL_RSA_PRIVATE_KEY_H_ @}*/

src/libstrongswan/plugins/pkcs7/pkcs7_signed_data.c

@@ -105,7 +105,7 @@ typedef struct {
 /**
  * Destroy a signerinfo_t entry
  */
-void signerinfo_destroy(signerinfo_t *this)
+static void signerinfo_destroy(signerinfo_t *this)
 {
 	DESTROY_IF(this->attributes);
 	DESTROY_IF(this->serial);

src/libstrongswan/plugins/x509/x509_cert.c

@@ -2041,7 +2041,7 @@ static private_x509_cert_t* create_empty(void)
 /**
  * Build a generalName from an id
  */
-chunk_t build_generalName(identification_t *id)
+static chunk_t build_generalName(identification_t *id)
 {
 	int context;