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FIPS Update

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1. White space changes. Converting tabs to spaces.
2. Add some comments explaining where a loop bound came from.
3. Added parameter checks to a function.
This commit is contained in:
John Safranek
2018-01-12 15:37:22 -08:00
parent d01d255985
commit 862e59f474
2 changed files with 21 additions and 17 deletions
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6
wolfcrypt/src/rsa.c
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@@ -2120,6 +2120,9 @@ static int RsaGetValue(mp_int* in, byte* out, word32* outSz)
word32 sz; word32 sz;
int ret = 0; int ret = 0;
if (in == NULL || out == NULL || outSz == NULL)
return BAD_FUNC_ARG;
sz = (word32)mp_unsigned_bin_size(in); sz = (word32)mp_unsigned_bin_size(in);
if (sz > *outSz) if (sz > *outSz)
ret = RSA_BUFFER_E; ret = RSA_BUFFER_E;
@@ -2339,7 +2342,6 @@ int wc_CheckProbablePrime(const byte* pRaw, word32 pRawSz,
if (ret == MP_OKAY) { if (ret == MP_OKAY) {
if (qRaw != NULL) { if (qRaw != NULL) {
if (ret == MP_OKAY)
ret = mp_read_unsigned_bin(&q, qRaw, qRawSz); ret = mp_read_unsigned_bin(&q, qRaw, qRawSz);
if (ret == MP_OKAY) if (ret == MP_OKAY)
Q = &q; Q = &q;
@@ -2402,6 +2404,8 @@ int wc_MakeRsaKey(RsaKey* key, int size, long e, WC_RNG* rng)
if (err == MP_OKAY) if (err == MP_OKAY)
err = mp_set_int(&tmp3, e); err = mp_set_int(&tmp3, e);
/* The failCount value comes from NIST FIPS 186-4, section B.3.3,
* process steps 4.7 and 5.8. */
failCount = 5 * (size / 2); failCount = 5 * (size / 2);
primeSz = size / 16; /* size is the size of n in bits. primeSz = size / 16; /* size is the size of n in bits.
primeSz is in bytes. */ primeSz is in bytes. */