verify outcome when defining LTC_NOTHING

check that LTC_NOTHING really creates nothing but the libraries' basic
API functions

src/hashes/helper/hash_memory.c

@@ -10,6 +10,7 @@
  */
 #include "tomcrypt.h"
 
+#ifdef LTC_HASH_HELPERS
 /**
   @file hash_memory.c
   Hash memory helper, Tom St Denis
@@ -63,6 +64,7 @@ LBL_ERR:
 
     return err;
 }
+#endif /* #ifdef LTC_HASH_HELPERS */
 
 /* $Source$ */
 /* $Revision$ */

src/hashes/helper/hash_memory_multi.c

@@ -10,13 +10,15 @@
  */
 #include "tomcrypt.h"
 #include <stdarg.h>
+
+#ifdef LTC_HASH_HELPERS
 /**
   @file hash_memory_multi.c
   Hash (multiple buffers) memory helper, Tom St Denis
 */
 
 /**
-  Hash multiple (non-adjacent) blocks of memory at once.  
+  Hash multiple (non-adjacent) blocks of memory at once.
   @param hash   The index of the hash you wish to use
   @param out    [out] Where to store the digest
   @param outlen [in/out] Max size and resulting size of the digest
@@ -24,7 +26,7 @@
   @param inlen  The length of the data to hash (octets)
   @param ...    tuples of (data,len) pairs to hash, terminated with a (NULL,x) (x=don't care)
   @return CRYPT_OK if successful
-*/  
+*/
 int hash_memory_multi(int hash, unsigned char *out, unsigned long *outlen,
                       const unsigned char *in, unsigned long inlen, ...)
 {
@@ -57,7 +59,7 @@ int hash_memory_multi(int hash, unsigned char *out, unsigned long *outlen,
     }
 
     va_start(args, inlen);
-    curptr = in; 
+    curptr = in;
     curlen = inlen;
     for (;;) {
        /* process buf */
@@ -81,6 +83,7 @@ LBL_ERR:
     va_end(args);
     return err;
 }
+#endif /* #ifdef LTC_HASH_HELPERS */
 
 /* $Source$ */
 /* $Revision$ */

src/headers/tomcrypt_custom.h

@@ -77,6 +77,7 @@
   #define LTC_NO_PK
   #define LTC_NO_PKCS
   #define LTC_NO_MISC
+  #define LTC_NO_FILE
 #endif /* LTC_NOTHING */
 
 /* Easy button? */
@@ -98,6 +99,7 @@
    #define LTC_SHA384
    #define LTC_SHA256
    #define LTC_SHA224
+   #define LTC_HASH_HELPERS
 
    #define LTC_NO_MACS
    #define LTC_HMAC
@@ -109,6 +111,8 @@
    #define LTC_YARROW
    #define LTC_DEVRANDOM
    #define LTC_TRY_URANDOM_FIRST
+   #define LTC_RNG_GET_BYTES
+   #define LTC_RNG_MAKE_PRNG
 
    #define LTC_NO_PK
    #define LTC_MRSA
@@ -241,6 +245,8 @@
 #define LTC_RIPEMD256
 #define LTC_RIPEMD320
 
+#define LTC_HASH_HELPERS
+
 #endif /* LTC_NO_HASHES */
 
 /* ---> MAC functions <--- */
@@ -307,6 +313,10 @@
 #define LTC_DEVRANDOM
 /* try /dev/urandom before trying /dev/random */
 #define LTC_TRY_URANDOM_FIRST
+/* rng_get_bytes() */
+#define LTC_RNG_GET_BYTES
+/* rng_make_prng() */
+#define LTC_RNG_MAKE_PRNG
 
 #endif /* LTC_NO_PRNGS */
 

src/math/rand_bn.c

@@ -9,6 +9,7 @@
  */
 #include "tomcrypt.h"
 
+#ifdef LTC_MDSA
 /**
   Generate a random number N with given bitlength (note: MSB can be 0)
 */
@@ -67,3 +68,4 @@ int rand_bn_range(void *N, void *limit, prng_state *prng, int wprng)
 
    return CRYPT_OK;
 }
+#endif

src/misc/pk_get_oid.c

@@ -9,6 +9,7 @@
  */
 #include "tomcrypt.h"
 
+#ifdef LTC_DER
 static const oid_st rsa_oid = {
    { 1, 2, 840, 113549, 1, 1, 1  },
    7,
@@ -37,3 +38,4 @@ int pk_get_oid(int pk, oid_st *st)
    }
    return CRYPT_OK;
 }
+#endif

src/prngs/rng_get_bytes.c

@@ -10,6 +10,7 @@
  */
 #include "tomcrypt.h"
 
+#ifdef LTC_RNG_GET_BYTES
 /**
    @file rng_get_bytes.c
    portable way to get secure random bits to feed a PRNG (Tom St Denis)
@@ -150,6 +151,7 @@ unsigned long rng_get_bytes(unsigned char *out, unsigned long outlen,
 #endif
    return 0;
 }
+#endif /* #ifdef LTC_RNG_GET_BYTES */
 
 /* $Source$ */
 /* $Revision$ */

src/prngs/rng_make_prng.c

@@ -10,7 +10,8 @@
  */
 #include "tomcrypt.h"
 
-/** 
+#ifdef LTC_RNG_MAKE_PRNG
+/**
   @file rng_make_prng.c
   portable way to get secure random bits to feed a PRNG  (Tom St Denis)
 */
@@ -22,13 +23,13 @@
   @param prng     [out] PRNG state to initialize
   @param callback A pointer to a void function for when the RNG is slow, this can be NULL
   @return CRYPT_OK if successful
-*/  
+*/
-int rng_make_prng(int bits, int wprng, prng_state *prng, 
+int rng_make_prng(int bits, int wprng, prng_state *prng,
                   void (*callback)(void))
 {
    unsigned char buf[256];
    int err;
-   
+
    LTC_ARGCHK(prng != NULL);
 
    /* check parameter */
@@ -62,6 +63,7 @@ int rng_make_prng(int bits, int wprng, prng_state *prng,
    #endif
    return CRYPT_OK;
 }
+#endif /* #ifdef LTC_RNG_MAKE_PRNG */
 
 
 /* $Source$ */