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Updates to DRBG: fix bugs in infrastructure. Add initial experimental

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algorithm test generator.
This commit is contained in:
Dr. Stephen Henson
2011-03-06 12:35:09 +00:00
parent 591cbfae3c
commit 868f12988c
6 changed files with 359 additions and 12 deletions
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31
fips/rand/fips_drbg_lib.c
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@@ -134,6 +134,8 @@ int FIPS_drbg_instantiate(DRBG_CTX *dctx,
dctx->status = DRBG_STATUS_READY;
dctx->reseed_counter = 1;
/* Initial test value for reseed interval */
dctx->reseed_interval = 1<<24;
end:
@@ -160,7 +162,7 @@ int FIPS_drbg_reseed(DRBG_CTX *dctx,
if (!adin)
adinlen = 0;
else if (adinlen > dctx->max_adin);
else if (adinlen > dctx->max_adin)
{
/* error */
return 0;
@@ -223,4 +225,31 @@ int FIPS_drbg_generate(DRBG_CTX *dctx, unsigned char *out, size_t outlen,
}
int FIPS_drbg_set_test_mode(DRBG_CTX *dctx,
size_t (*get_entropy)(DRBG_CTX *ctx, unsigned char *out,
int entropy, size_t min_len, size_t max_len),
size_t (*get_nonce)(DRBG_CTX *ctx, unsigned char *out,
int entropy, size_t min_len, size_t max_len))
{
if (dctx->status != DRBG_STATUS_UNINITIALISED)
return 0;
dctx->flags |= DRBG_FLAG_TEST;
dctx->get_entropy = get_entropy;
dctx->get_nonce = get_nonce;
return 1;
}
void *FIPS_drbg_get_app_data(DRBG_CTX *dctx)
{
return dctx->app_data;
}
void FIPS_drbg_set_app_data(DRBG_CTX *dctx, void *app_data)
{
dctx->app_data = app_data;
}
size_t FIPS_drbg_get_blocklength(DRBG_CTX *dctx)
{
return dctx->blocklength;
}