code size related improvements

include/shake.h

@@ -91,38 +91,38 @@ void sponge_hash (
 /* TODO: expand/doxygenate individual SHAKE/SHA3 instances? */
 
 #define DECSHAKE(n) \
-    extern const struct kparams_s *SHAKE##n##_params API_VIS; \
+    extern const struct kparams_s SHAKE##n##_params_s API_VIS; \
     static inline void shake##n##_init(keccak_sponge_t sponge) { \
-        sponge_init(sponge, SHAKE##n##_params); \
+        sponge_init(sponge, &SHAKE##n##_params_s); \
     } \
     static inline void shake##n##_update(keccak_sponge_t sponge, const uint8_t *in, size_t inlen ) { \
         sha3_update(sponge, in, inlen); \
     } \
     static inline void shake##n##_final(keccak_sponge_t sponge, uint8_t *out, size_t outlen ) { \
         sha3_output(sponge, out, outlen); \
-        sponge_init(sponge, SHAKE##n##_params); \
+        sponge_init(sponge, &SHAKE##n##_params_s); \
     } \
     static inline void shake##n##_hash(uint8_t *out, size_t outlen, const uint8_t *in, size_t inlen) { \
-        sponge_hash(in,inlen,out,outlen,SHAKE##n##_params); \
+        sponge_hash(in,inlen,out,outlen,&SHAKE##n##_params_s); \
     } \
     static inline void shake##n##_destroy( keccak_sponge_t sponge ) { \
         sponge_destroy(sponge); \
     }
     
 #define DECSHA3(n) \
-    extern const struct kparams_s *SHA3_##n##_params API_VIS; \
+    extern const struct kparams_s SHA3_##n##_params_s API_VIS; \
     static inline void sha3_##n##_init(keccak_sponge_t sponge) { \
-        sponge_init(sponge, SHA3_##n##_params); \
+        sponge_init(sponge, &SHA3_##n##_params_s); \
     } \
     static inline void sha3_##n##_update(keccak_sponge_t sponge, const uint8_t *in, size_t inlen ) { \
         sha3_update(sponge, in, inlen); \
     } \
     static inline void sha3_##n##_final(keccak_sponge_t sponge, uint8_t *out, size_t outlen ) { \
         sha3_output(sponge, out, outlen); \
-        sponge_init(sponge, SHA3_##n##_params); \
+        sponge_init(sponge, &SHA3_##n##_params_s); \
     } \
     static inline void sha3_##n##_hash(uint8_t *out, size_t outlen, const uint8_t *in, size_t inlen) { \
-        sponge_hash(in,inlen,out,outlen,SHA3_##n##_params); \
+        sponge_hash(in,inlen,out,outlen,&SHA3_##n##_params_s); \
     } \
     static inline void sha3_##n##_destroy( keccak_sponge_t sponge ) { \
         sponge_destroy(sponge); \

src/decaf_fast.c

@@ -35,7 +35,7 @@ typedef int64_t decaf_sdword_t;
 #error "Only supporting 32- and 64-bit platforms right now"
 #endif
 
-static const int QUADRATIC_NONRESIDUE = -1;
+//static const int QUADRATIC_NONRESIDUE = -1;
 
 #define sv static void
 #define snv static void __attribute__((noinline))

src/shake.c

@@ -100,13 +100,13 @@ static inline uint64_t rol(uint64_t x, int s) {
 /* Helper macros to unroll the permutation.  TODO: opt tradeoffs. */
 #define REPEAT5(e) e e e e e
 #define FOR51(v, e) v = 0; REPEAT5(e; v += 1;)
-#if (defined(__OPTIMIZE__) && !defined(__OPTIMIZE_SIZE__))
+//#if (defined(__OPTIMIZE__) && !defined(__OPTIMIZE_SIZE__))
 #    define FOR55(v, e) v = 0; REPEAT5(e; v += 5;)
 #    define REPEAT24(e) e e e e e e e e e e e e e e e e e e e e e e e e
-#else
-#    define FOR55(v, e) for (v=0; v<25; v+= 5) { e; }
-#    define REPEAT24(e) {int _j=0; for (_j=0; _j<24; _j++) { e }}
-#endif
+// #else
+// #    define FOR55(v, e) for (v=0; v<25; v+= 5) { e; }
+// #    define REPEAT24(e) {int _j=0; for (_j=0; _j<24; _j++) { e }}
+// #endif
 
 /*** The Keccak-f[1600] permutation ***/
 static void
@@ -251,13 +251,11 @@ void sponge_hash (
 
 #define DEFSHAKE(n) \
     const struct kparams_s SHAKE##n##_params_s = \
-        { 0, FLAG_ABSORBING, 200-n/4, 0, 0x1f, 0x80, 0xFF, 0 }, \
-        *SHAKE##n##_params = &SHAKE##n##_params_s;
+        { 0, FLAG_ABSORBING, 200-n/4, 0, 0x1f, 0x80, 0xFF, 0 };
     
 #define DEFSHA3(n) \
     const struct kparams_s SHA3_##n##_params_s = \
-        { 0, FLAG_ABSORBING, 200-n/4, 0, 0x06, 0x80, n/8, 0 }, \
-        *SHA3_##n##_params = &SHA3_##n##_params_s;
+        { 0, FLAG_ABSORBING, 200-n/4, 0, 0x06, 0x80, n/8, 0 };
 
 DEFSHAKE(128)
 DEFSHAKE(256)