Make some DER helpers private

Signed-off-by: Steffen Jaeckel <s@jaeckel.eu>

Author: sjaeckel

src/headers/tomcrypt_pk.h

@@ -844,7 +844,6 @@ int der_encode_object_identifier(const unsigned long *words, unsigned long  nwor
 int der_decode_object_identifier(const unsigned char *in,    unsigned long  inlen,
                                        unsigned long *words, unsigned long *outlen);
 int der_length_object_identifier(const unsigned long *words, unsigned long nwords, unsigned long *outlen);
-unsigned long der_object_identifier_bits(unsigned long x);
 
 /* IA5 STRING */
 int der_encode_ia5_string(const unsigned char *in, unsigned long inlen,
@@ -853,9 +852,6 @@ int der_decode_ia5_string(const unsigned char *in, unsigned long inlen,
                                 unsigned char *out, unsigned long *outlen);
 int der_length_ia5_string(const unsigned char *octets, unsigned long noctets, unsigned long *outlen);
 
-int der_ia5_char_encode(int c);
-int der_ia5_value_decode(int v);
-
 /* TELETEX STRING */
 int der_decode_teletex_string(const unsigned char *in, unsigned long inlen,
                                 unsigned char *out, unsigned long *outlen);
@@ -868,9 +864,6 @@ int der_decode_printable_string(const unsigned char *in, unsigned long inlen,
                                 unsigned char *out, unsigned long *outlen);
 int der_length_printable_string(const unsigned char *octets, unsigned long noctets, unsigned long *outlen);
 
-int der_printable_char_encode(int c);
-int der_printable_value_decode(int v);
-
 /* UTF-8 */
 #if (defined(SIZE_MAX) || __STDC_VERSION__ >= 199901L || defined(WCHAR_MAX) || defined(__WCHAR_MAX__) || defined(_WCHAR_T) || defined(_WCHAR_T_DEFINED) || defined (__WCHAR_TYPE__)) && !defined(LTC_NO_WCHAR)
    #if defined(__WCHAR_MAX__)
@@ -890,7 +883,6 @@ int der_encode_utf8_string(const wchar_t *in,  unsigned long inlen,
 
 int der_decode_utf8_string(const unsigned char *in,  unsigned long inlen,
                                        wchar_t *out, unsigned long *outlen);
-unsigned long der_utf8_charsize(const wchar_t c);
 int der_length_utf8_string(const wchar_t *in, unsigned long noctets, unsigned long *outlen);
 
 

src/headers/tomcrypt_private.h

@@ -588,6 +588,16 @@ int der_length_asn1_length(unsigned long len, unsigned long *outlen);
 int der_length_sequence_ex(const ltc_asn1_list *list, unsigned long inlen,
                            unsigned long *outlen, unsigned long *payloadlen);
 
+unsigned long der_object_identifier_bits(unsigned long x);
+
+int der_ia5_char_encode(int c);
+int der_ia5_value_decode(int v);
+
+int der_printable_char_encode(int c);
+int der_printable_value_decode(int v);
+
+unsigned long der_utf8_charsize(const wchar_t c);
+
 typedef struct {
    ltc_asn1_type t;
    ltc_asn1_list **pp;