X-Git-Url: https://codewiz.org/gitweb?a=blobdiff_plain;f=bertos%2Fsec%2Fprng%2Fisaac.c;h=72d4a320734e0ac159553d696fbc07b6b542dc94;hb=d1a9a6eb1d3014b7708b0f0ddf6e85b783d21639;hp=d4246f718c5e9271cec834ebdd7a6f46ba786cd2;hpb=955a6b6d683b2958afaab6f3b2afacc188656681;p=bertos.git diff --git a/bertos/sec/prng/isaac.c b/bertos/sec/prng/isaac.c index d4246f71..72d4a320 100644 --- a/bertos/sec/prng/isaac.c +++ b/bertos/sec/prng/isaac.c @@ -32,7 +32,7 @@ * * \brief ISAAC implementation * \author Giovanni Bajo - * + * */ /* @@ -65,7 +65,7 @@ typedef uint8_t ub1; *(r++) = b = ind(mm,y>>CONFIG_ISAAC_RANDSIZL) + x; \ } -static void isaac(ISAAC_Context *ctx) +static void isaac(IsaacContext *ctx) { register ub4 a,b,x,y,*m,*mm,*m2,*r,*mend; mm=ctx->randmem; r=ctx->randrsl; @@ -100,9 +100,9 @@ static void isaac(ISAAC_Context *ctx) h^=a>>9; c+=h; a+=b; \ } -static void ISAAC_reseed(PRNG *ctx_, const uint8_t *seed) +static void isaac_reseed(PRNG *ctx_, const uint8_t *seed) { - ISAAC_Context *ctx = (ISAAC_Context *)ctx_; + IsaacContext *ctx = (IsaacContext *)ctx_; int i; ub4 a,b,c,d,e,f,g,h; ub4 *m,*r; @@ -141,23 +141,23 @@ static void ISAAC_reseed(PRNG *ctx_, const uint8_t *seed) } } -static void ISAAC_generate(PRNG *ctx_, uint8_t *data, size_t len) +static void isaac_generate(PRNG *ctx_, uint8_t *data, size_t len) { - ISAAC_Context *ctx = (ISAAC_Context *)ctx_; + IsaacContext *ctx = (IsaacContext *)ctx_; STATIC_ASSERT(sizeof(ctx->randrsl) == CONFIG_ISAAC_RANDSIZ*4); while (len) { ASSERT(ctx->randcnt <= CONFIG_ISAAC_RANDSIZ*4); - + if (ctx->randcnt == CONFIG_ISAAC_RANDSIZ*4) { isaac(ctx); - ctx->randcnt = 0; + ctx->randcnt = 0; } - - size_t L = MIN(len, CONFIG_ISAAC_RANDSIZ*4 - (size_t)ctx->randcnt); + + size_t L = MIN(len, CONFIG_ISAAC_RANDSIZ*4 - (size_t)ctx->randcnt); memcpy(data, (uint8_t*)ctx->randrsl + ctx->randcnt, L); data += L; ctx->randcnt += L; @@ -168,10 +168,10 @@ static void ISAAC_generate(PRNG *ctx_, uint8_t *data, size_t len) /**********************************************************************/ -void ISAAC_init(ISAAC_Context *ctx) +void isaac_init(IsaacContext *ctx) { - ctx->prng.reseed = ISAAC_reseed; - ctx->prng.generate = ISAAC_generate; + ctx->prng.reseed = isaac_reseed; + ctx->prng.generate = isaac_generate; ctx->prng.seed_len = sizeof(ctx->randrsl) / 2; ctx->randcnt = CONFIG_ISAAC_RANDSIZ*4;