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| author | Niels Möller <nisse@lysator.liu.se> | 2001-10-10 18:12:36 +0200 |
|---|---|---|
| committer | Niels Möller <nisse@lysator.liu.se> | 2001-10-10 18:12:36 +0200 |
| commit | b2a6b03aa4bca0108e72dba281d53fcf1b39490d (patch) | |
| tree | 9e17a300869578a068e319350aa34dbb7a339262 /yarrow256.c | |
| parent | 047fc9377e3725fa6385fe895c2f6c74afb4a92d (diff) | |
| download | nettle-b2a6b03aa4bca0108e72dba281d53fcf1b39490d.tar.gz | |
Added debug some output.
Rev: src/nettle/yarrow256.c:1.8
Diffstat (limited to 'yarrow256.c')
| -rw-r--r-- | yarrow256.c | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/yarrow256.c b/yarrow256.c index f9df9144..bef0a9ee 100644 --- a/yarrow256.c +++ b/yarrow256.c @@ -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); |