Commit b2a6b03a authored by Niels Möller's avatar Niels Möller

Added debug some output.

Rev: src/nettle/yarrow256.c:1.8
parent 047fc937
......@@ -28,6 +28,11 @@
#include <assert.h>
#include <string.h>
/* #define YARROW_DEBUG */
#ifdef YARROW_DEBUG
#include <stdio.h>
#endif
/* Parameters */
/* An upper limit on the entropy (in bits) in one octet of sample
......@@ -102,6 +107,10 @@ yarrow_fast_reseed(struct yarrow256_ctx *ctx)
uint8_t digest[SHA256_DIGEST_SIZE];
unsigned i;
#ifdef YARROW_DEBUG
fprintf(stderr, "yarrow_fast_reseed\n");
#endif
/* We feed two block of output using the current key into the pool
* before emptying it. */
if (ctx->seeded)
......@@ -134,6 +143,10 @@ yarrow_slow_reseed(struct yarrow256_ctx *ctx)
uint8_t digest[SHA256_DIGEST_SIZE];
unsigned i;
#ifdef YARROW_DEBUG
fprintf(stderr, "yarrow_slow_reseed\n");
#endif
/* Get digest of the slow pool*/
sha256_final(&ctx->pools[YARROW_SLOW]);
......@@ -203,6 +216,13 @@ yarrow256_update(struct yarrow256_ctx *ctx,
case YARROW_FAST:
if (source->estimate[YARROW_FAST] >= YARROW_FAST_THRESHOLD)
yarrow_fast_reseed(ctx);
#ifdef YARROW_DEBUG
fprintf(stderr,
"yarrow256_update: source_index = %d,\n"
" fast pool estimate = %d\n",
source_index, source->estimate[YARROW_FAST]);
#endif
break;
case YARROW_SLOW:
{
......@@ -214,6 +234,14 @@ yarrow256_update(struct yarrow256_ctx *ctx,
if (ctx->sources[i].estimate[YARROW_SLOW] >= YARROW_SLOW_THRESHOLD)
k++;
#ifdef YARROW_DEBUG
fprintf(stderr,
"yarrow256_update: source_index = %d,\n"
" slow pool estimate = %d,\n"
" number of sources above threshold = %d\n",
source_index, source->estimate[YARROW_SLOW], k);
#endif
if (k >= YARROW_SLOW_K)
{
yarrow_slow_reseed(ctx);
......
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