Add continuous RNG test to entropy source. Entropy callbacks now need

[openssl.git] / fips / fips_utl.h

diff --git a/fips/fips_utl.h b/fips/fips_utl.h
index 7869a181a6f0ba35577cad5d5c5597c7933bdc2d..edd249b84fa4c595a4abb95eb28089dec8d3f13d 100644 (file)
--- a/fips/fips_utl.h
+++ b/fips/fips_utl.h
@@ -67,6 +67,7 @@ int bin2bint(const unsigned char *in,int len,char *out);
 void PrintValue(char *tag, unsigned char *val, int len);
 void OutputValue(char *tag, unsigned char *val, int len, FILE *rfp,int bitmode);
 void fips_algtest_init(void);
+void do_entropy_stick(void);
 
 static int no_err;
 
@@ -109,18 +110,29 @@ static size_t dummy_cb(DRBG_CTX *ctx, unsigned char **pout,
        return min_len;
        }
 
+static int entropy_stick = 0;
+
 static void fips_algtest_init_nofips(void)
        {
        DRBG_CTX *ctx;
+       size_t i;
        FIPS_set_error_callbacks(put_err_cb, add_err_cb);
-       OPENSSL_cleanse(dummy_entropy, 1024);
+       for (i = 0; i < sizeof(dummy_entropy); i++)
+               dummy_entropy[i] = i & 0xff;
+       if (entropy_stick)
+               memcpy(dummy_entropy + 32, dummy_entropy + 16, 16);
        ctx = FIPS_get_default_drbg();
        FIPS_drbg_init(ctx, NID_aes_256_ctr, DRBG_FLAG_CTR_USE_DF);
-       FIPS_drbg_set_callbacks(ctx, dummy_cb, 0, dummy_cb, 0);
+       FIPS_drbg_set_callbacks(ctx, dummy_cb, 0, 16, dummy_cb, 0);
        FIPS_drbg_instantiate(ctx, dummy_entropy, 10);
        FIPS_rand_set_method(FIPS_drbg_method());
        }
 
+void do_entropy_stick(void)
+       {
+       entropy_stick = 1;
+       }
+
 void fips_algtest_init(void)
        {
        fips_algtest_init_nofips();