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Code

removed debugging

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git-svn-id: svn://svn.code.sf.net/p/axtls/code/trunk@169 9a5d90b5-6617-0410-8a86-bb477d3ed2e3
This commit is contained in:
cameronrich 2010-05-01 05:28:44 +00:00
parent fe927a6d0e
commit e674d076d4
1 changed files with 3 additions and 8 deletions
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11
crypto/crypto_misc.c
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@ -53,7 +53,6 @@ static HCRYPTPROV gCryptProv;
#define ENTROPY_COUNTER1 (uint32_t)((tv.tv_sec<<16) + tv.tv_usec) #define ENTROPY_COUNTER1 (uint32_t)((tv.tv_sec<<16) + tv.tv_usec)
#define ENTROPY_COUNTER2 (uint32_t)rand() #define ENTROPY_COUNTER2 (uint32_t)rand()
static uint8_t entropy_pool[ENTROPY_POOL_SIZE]; static uint8_t entropy_pool[ENTROPY_POOL_SIZE];
static MD5_CTX rng_digest_ctx;
#endif #endif
static int rng_ref_count; static int rng_ref_count;
@ -127,22 +126,16 @@ EXP_FUNC void STDCALL RNG_initialize(const uint8_t *seed_buf, int size)
int i; int i;
uint32_t seed_addr_val = (uint32_t)&seed_buf; uint32_t seed_addr_val = (uint32_t)&seed_buf;
uint32_t *ep = (uint32_t *)entropy_pool; uint32_t *ep = (uint32_t *)entropy_pool;
printf("blah %08x\n", seed_addr_val);
/* help start the entropy with the user's private key - this is /* help start the entropy with the user's private key - this is
a number that should be hard to find, due to the fact that it a number that should be hard to find, due to the fact that it
relies on knowing the private key */ relies on knowing the private key */
memcpy(entropy_pool, seed_buf, ENTROPY_POOL_SIZE); memcpy(entropy_pool, seed_buf, ENTROPY_POOL_SIZE);
print_blob("entropy 1", entropy_pool, ENTROPY_POOL_SIZE);
/* mix it up a little with a stack address */ /* mix it up a little with a stack address */
for (i = 0; i < ENTROPY_POOL_SIZE/4; i++) for (i = 0; i < ENTROPY_POOL_SIZE/4; i++)
{
printf("YA: %08x\n", ep[i]);
ep[i] ^= seed_addr_val; ep[i] ^= seed_addr_val;
}
print_blob("entropy 2", entropy_pool, ENTROPY_POOL_SIZE);
MD5_Init(&rng_digest_ctx);
srand((long)entropy_pool); srand((long)entropy_pool);
#endif #endif
} }
@ -181,6 +174,7 @@ EXP_FUNC void STDCALL get_random(int num_rand_bytes, uint8_t *rand_data)
and a couple of random seeds to generate a random sequence */ and a couple of random seeds to generate a random sequence */
RC4_CTX rng_ctx; RC4_CTX rng_ctx;
struct timeval tv; struct timeval tv;
MD5_CTX rng_digest_ctx;
uint8_t digest[MD5_SIZE]; uint8_t digest[MD5_SIZE];
int i; int i;
@ -191,6 +185,7 @@ EXP_FUNC void STDCALL get_random(int num_rand_bytes, uint8_t *rand_data)
ep[1] ^= (uint64_t)ENTROPY_COUNTER2; ep[1] ^= (uint64_t)ENTROPY_COUNTER2;
/* use a digested version of the entropy pool as a key */ /* use a digested version of the entropy pool as a key */
MD5_Init(&rng_digest_ctx);
MD5_Update(&rng_digest_ctx, entropy_pool, ENTROPY_POOL_SIZE); MD5_Update(&rng_digest_ctx, entropy_pool, ENTROPY_POOL_SIZE);
MD5_Final(digest, &rng_digest_ctx); MD5_Final(digest, &rng_digest_ctx);