Pedro Monreal Gonzalez
ba6be953da
- Added openssl-1_1-paramgen-default_to_rfc7919.patch
* bsc#1180995
* Default to RFC7919 groups when generating ECDH parameters
using 'genpkey' or 'dhparam' in FIPS mode.
OBS-URL: https://build.opensuse.org/request/show/1007029
OBS-URL: https://build.opensuse.org/package/show/security:tls/openssl-1_1?expand=0&rev=119
89 lines
2.8 KiB
Diff
89 lines
2.8 KiB
Diff
diff --git a/apps/dhparam.c b/apps/dhparam.c
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index 98c7321..ac7feb4 100644
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--- a/apps/dhparam.c
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+++ b/apps/dhparam.c
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@@ -194,15 +194,42 @@ int dhparam_main(int argc, char **argv)
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} else
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#endif
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{
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- dh = DH_new();
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- BIO_printf(bio_err,
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- "Generating DH parameters, %d bit long safe prime, generator %d\n",
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- num, g);
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- BIO_printf(bio_err, "This is going to take a long time\n");
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- if (dh == NULL || !DH_generate_parameters_ex(dh, num, g, cb)) {
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+#ifdef OPENSSL_FIPS
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+ if (FIPS_mode()) {
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+ /* In FIPS mode, instead of generating DH parameters we use parameters from an approved group,
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+ in this case, RFC-7919. */
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+ int param_nid;
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+ switch (num) {
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+ case 8192:
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+ param_nid = NID_ffdhe8192;
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+ break;
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+ case 6144:
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+ param_nid = NID_ffdhe6144;
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+ break;
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+ case 4096:
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+ param_nid = NID_ffdhe4096;
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+ break;
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+ case 3072:
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+ param_nid = NID_ffdhe3072;
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+ break;
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+ default:
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+ param_nid = NID_ffdhe2048;
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+ break;
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+ }
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+ dh = DH_new_by_nid(param_nid);
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+ } else
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+#endif /* OPENSSL_FIPS */
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+ {
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+ dh = DH_new();
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+ BIO_printf(bio_err,
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+ "Generating DH parameters, %d bit long safe prime, generator %d\n",
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+ num, g);
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+ BIO_printf(bio_err, "This is going to take a long time\n");
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+ if (dh == NULL || !DH_generate_parameters_ex(dh, num, g, cb)) {
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BN_GENCB_free(cb);
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ERR_print_errors(bio_err);
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goto end;
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+ }
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}
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}
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diff --git a/crypto/dh/dh_pmeth.c b/crypto/dh/dh_pmeth.c
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index 261c8a1..d281873 100644
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--- a/crypto/dh/dh_pmeth.c
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+++ b/crypto/dh/dh_pmeth.c
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@@ -330,6 +330,30 @@ static int pkey_dh_paramgen(EVP_PKEY_CTX *ctx, EVP_PKEY *pkey)
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DH_PKEY_CTX *dctx = ctx->data;
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BN_GENCB *pcb;
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int ret;
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+
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+#ifdef OPENSSL_FIPS
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+ /* In FIPS mode we default to an appropriate group. */
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+ if (FIPS_mode() && (!(dctx->rfc5114_param)) && (dctx->param_nid == 0)) {
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+ switch (dctx->prime_len) {
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+ case 8192:
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+ dctx->param_nid = NID_ffdhe8192;
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+ break;
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+ case 6144:
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+ dctx->param_nid = NID_ffdhe6144;
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+ break;
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+ case 4096:
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+ dctx->param_nid = NID_ffdhe4096;
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+ break;
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+ case 3072:
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+ dctx->param_nid = NID_ffdhe3072;
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+ break;
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+ default:
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+ dctx->param_nid = NID_ffdhe2048;
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+ break;
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+ }
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+ }
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+#endif /* OPENSSL_FIPS */
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+
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if (dctx->rfc5114_param) {
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switch (dctx->rfc5114_param) {
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case 1:
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