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hkdf: don't compile if not requested

Steffen Jaeckel 12 years ago
parent
commit
4f86ad7dcf
1 changed files with 3 additions and 0 deletions
  1. 3 0
      src/misc/hkdf/hkdf.c

+ 3 - 0
src/misc/hkdf/hkdf.c

@@ -4,6 +4,8 @@
 
 #include <tomcrypt.h>
 
+#ifdef LTC_HKDF
+
 #ifndef MIN
 #define MIN(a,b) ((a)<(b))?(a):(b)
 #endif
@@ -136,6 +138,7 @@ int hkdf(int hash_idx, const unsigned char *salt, unsigned long saltlen,
    XFREE(extracted);
    return err;
 }
+#endif /* LTC_HKDF */
 
 
 /* vim: set ts=2 sw=2 et ai si: */