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1. Add flag to DH keys when using safe parameters.

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2. The LN check is skipped when using safe parameters.
3. Enable all FFDHE parameter sets when building for FIPS 140-3.
This commit is contained in:
John Safranek
2021-01-28 16:54:41 -08:00
committed by Daniel Pouzzner
parent 7f64fc4efb
commit e67bbf7526
3 changed files with 13 additions and 4 deletions
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6
configure.ac
View File

@ -3347,7 +3347,7 @@ fi
# FIPS
AS_CASE([$FIPS_VERSION],
["v4"], [ # FIPS 140-3
AM_CFLAGS="$AM_CFLAGS -DHAVE_FIPS -DHAVE_FIPS_VERSION=4 -DWOLFSSL_KEY_GEN -DWOLFSSL_SHA224 -DWOLFSSL_AES_DIRECT -DHAVE_AES_ECB -DHAVE_ECC_CDH -DWC_RSA_NO_PADDING -DWOLFSSL_VALIDATE_FFC_IMPORT -DHAVE_FFDHE_Q"
AM_CFLAGS="$AM_CFLAGS -DHAVE_FIPS -DHAVE_FIPS_VERSION=4 -DWOLFSSL_KEY_GEN -DWOLFSSL_SHA224 -DWOLFSSL_AES_DIRECT -DHAVE_AES_ECB -DHAVE_ECC_CDH -DWC_RSA_NO_PADDING"
ENABLED_KEYGEN="yes"; ENABLED_SHA224="yes"; ENABLED_DES3="no"
# Shake256 is a SHA-3 algorithm not in our FIPS algorithm list
AM_CFLAGS="$AM_CFLAGS -DWOLFSSL_NO_SHAKE256"
@ -3372,7 +3372,9 @@ AS_CASE([$FIPS_VERSION],
[ENABLED_SHA512="yes"; AM_CFLAGS="$AM_CFLAGS -DWOLFSSL_SHA512 -DWOLFSSL_SHA384"])
AS_IF([test "x$ENABLED_AESGCM" = "xno"],
[ENABLED_AESGCM="yes"; AM_CFLAGS="$AM_CFLAGS -DHAVE_AESGCM"])
AM_CPPFLAGS="$AM_CPPFLAGS -DUSE_CERT_BUFFERS_3072 -DUSE_CERT_BUFFERS_4096"
AM_CFLAGS="$AM_CFLAGS -DUSE_CERT_BUFFERS_3072 -DUSE_CERT_BUFFERS_4096"
AM_CFLAGS="$AM_CFLAGS -DWOLFSSL_VALIDATE_FFC_IMPORT -DHAVE_FFDHE_Q"
AM_CFLAGS="$AM_CFLAGS -DHAVE_FFDHE_3072 -DHAVE_FFDHE_4096 -DHAVE_FFDHE_6144 -DHAVE_FFDHE_8192 -DFP_MAX_BITS=16384"
],
["v3"],[ # FIPS Ready
AM_CFLAGS="$AM_CFLAGS -DHAVE_FIPS -DHAVE_FIPS_VERSION=3 -DWOLFSSL_KEY_GEN -DWOLFSSL_SHA224 -DWOLFSSL_AES_DIRECT -DHAVE_AES_ECB -DHAVE_ECC_CDH -DWC_RSA_NO_PADDING -DWOLFSSL_VALIDATE_FFC_IMPORT -DHAVE_FFDHE_Q"

10
wolfcrypt/src/dh.c
View File

@ -944,6 +944,9 @@ int wc_InitDhKey_ex(DhKey* key, void* heap, int devId)
#else
(void)devId;
#endif
key->trustedGroup = 0;
#ifdef WOLFSSL_KCAPI_DH
key->handle = NULL;
#endif
@ -1073,7 +1076,9 @@ static int GeneratePrivateDh186(DhKey* key, WC_RNG* rng, byte* priv,
pSz = mp_unsigned_bin_size(&key->p);
/* verify (L,N) pair bit lengths */
if (CheckDhLN(pSz * WOLFSSL_BIT_SIZE, qSz * WOLFSSL_BIT_SIZE) != 0) {
/* Trusted primes don't need to be checked. */
if (!key->trustedGroup &&
CheckDhLN(pSz * WOLFSSL_BIT_SIZE, qSz * WOLFSSL_BIT_SIZE) != 0) {
WOLFSSL_MSG("DH param sizes do not match SP 800-56A requirements");
return BAD_FUNC_ARG;
}
@ -2311,6 +2316,8 @@ static int _DhSetKey(DhKey* key, const byte* p, word32 pSz, const byte* g,
if (ret == 0 && q != NULL) {
if (mp_read_unsigned_bin(&key->q, q, qSz) != MP_OKAY)
ret = MP_INIT_E;
else
key->trustedGroup = trusted;
}
if (ret != 0 && key != NULL) {
@ -2346,7 +2353,6 @@ int wc_DhSetKey(DhKey* key, const byte* p, word32 pSz, const byte* g,
return _DhSetKey(key, p, pSz, g, gSz, NULL, 0, 1, NULL);
}
#ifdef WOLFSSL_KEY_GEN
/* modulus_size in bits */

1
wolfssl/wolfcrypt/dh.h
View File

@ -72,6 +72,7 @@ struct DhKey {
#ifdef WOLFSSL_ASYNC_CRYPT
WC_ASYNC_DEV asyncDev;
#endif
int trustedGroup;
#ifdef WOLFSSL_KCAPI_DH
struct kcapi_handle* handle;
#endif