Dmitry Belyavskiy
2 years ago
parent
ea75c725ee
commit
fea833cb56
@ -0,0 +1,140 @@
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diff --git a/crypto/ec/ec_backend.c b/crypto/ec/ec_backend.c
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index bea01fb38f66..48721369ae8f 100644
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--- a/crypto/ec/ec_backend.c
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+++ b/crypto/ec/ec_backend.c
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@@ -318,6 +318,11 @@ int ossl_ec_group_todata(const EC_GROUP *group, OSSL_PARAM_BLD *tmpl,
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return 0;
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}
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+ if (!ossl_param_build_set_int(tmpl, params,
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+ OSSL_PKEY_PARAM_EC_DECODED_FROM_EXPLICIT_PARAMS,
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+ group->decoded_from_explicit_params))
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+ return 0;
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+
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curve_nid = EC_GROUP_get_curve_name(group);
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/*
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diff --git a/crypto/ec/ec_lib.c b/crypto/ec/ec_lib.c
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index 6b0591c6c8c7..b1696d93bd6d 100644
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--- a/crypto/ec/ec_lib.c
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+++ b/crypto/ec/ec_lib.c
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@@ -1556,13 +1556,23 @@ EC_GROUP *EC_GROUP_new_from_params(const OSSL_PARAM params[],
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/* This is the simple named group case */
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ptmp = OSSL_PARAM_locate_const(params, OSSL_PKEY_PARAM_GROUP_NAME);
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if (ptmp != NULL) {
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- group = group_new_from_name(ptmp, libctx, propq);
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- if (group != NULL) {
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- if (!ossl_ec_group_set_params(group, params)) {
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- EC_GROUP_free(group);
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- group = NULL;
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- }
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+ int decoded = 0;
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+
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+ if ((group = group_new_from_name(ptmp, libctx, propq)) == NULL)
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+ return NULL;
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+ if (!ossl_ec_group_set_params(group, params)) {
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+ EC_GROUP_free(group);
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+ return NULL;
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+ }
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+
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+ ptmp = OSSL_PARAM_locate_const(params,
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+ OSSL_PKEY_PARAM_EC_DECODED_FROM_EXPLICIT_PARAMS);
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+ if (ptmp != NULL && !OSSL_PARAM_get_int(ptmp, &decoded)) {
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+ ERR_raise(ERR_LIB_EC, EC_R_WRONG_CURVE_PARAMETERS);
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+ EC_GROUP_free(group);
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+ return NULL;
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}
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+ group->decoded_from_explicit_params = decoded > 0;
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return group;
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}
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#ifdef FIPS_MODULE
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@@ -1733,6 +1743,8 @@ EC_GROUP *EC_GROUP_new_from_params(const OSSL_PARAM params[],
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EC_GROUP_free(group);
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group = named_group;
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}
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+ /* We've imported the group from explicit parameters, set it so. */
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+ group->decoded_from_explicit_params = 1;
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ok = 1;
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err:
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if (!ok) {
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diff --git a/doc/man7/EVP_PKEY-EC.pod b/doc/man7/EVP_PKEY-EC.pod
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index eed83237c3b2..ee66a074f889 100644
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--- a/doc/man7/EVP_PKEY-EC.pod
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+++ b/doc/man7/EVP_PKEY-EC.pod
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@@ -70,8 +70,8 @@ I<order> multiplied by the I<cofactor> gives the number of points on the curve.
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=item "decoded-from-explicit" (B<OSSL_PKEY_PARAM_EC_DECODED_FROM_EXPLICIT_PARAMS>) <integer>
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-Gets a flag indicating wether the key or parameters were decoded from explicit
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-curve parameters. Set to 1 if so or 0 if a named curve was used.
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+Sets or gets a flag indicating whether the key or parameters were decoded from
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+explicit curve parameters. Set to 1 if so or 0 if a named curve was used.
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=item "use-cofactor-flag" (B<OSSL_PKEY_PARAM_USE_COFACTOR_ECDH>) <integer>
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diff --git a/providers/implementations/keymgmt/ec_kmgmt.c b/providers/implementations/keymgmt/ec_kmgmt.c
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index 9260d4bf3635..7aed057cac89 100644
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--- a/providers/implementations/keymgmt/ec_kmgmt.c
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+++ b/providers/implementations/keymgmt/ec_kmgmt.c
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@@ -525,7 +525,8 @@ int ec_export(void *keydata, int selection, OSSL_CALLBACK *param_cb,
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OSSL_PARAM_octet_string(OSSL_PKEY_PARAM_EC_GENERATOR, NULL, 0), \
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OSSL_PARAM_BN(OSSL_PKEY_PARAM_EC_ORDER, NULL, 0), \
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OSSL_PARAM_BN(OSSL_PKEY_PARAM_EC_COFACTOR, NULL, 0), \
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- OSSL_PARAM_octet_string(OSSL_PKEY_PARAM_EC_SEED, NULL, 0)
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+ OSSL_PARAM_octet_string(OSSL_PKEY_PARAM_EC_SEED, NULL, 0), \
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+ OSSL_PARAM_int(OSSL_PKEY_PARAM_EC_DECODED_FROM_EXPLICIT_PARAMS, NULL)
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# define EC_IMEXPORTABLE_PUBLIC_KEY \
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OSSL_PARAM_octet_string(OSSL_PKEY_PARAM_PUB_KEY, NULL, 0)
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diff --git a/test/recipes/25-test_verify.t b/test/recipes/25-test_verify.t
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index 700bbd849c95..ede14864d5ac 100644
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--- a/test/recipes/25-test_verify.t
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+++ b/test/recipes/25-test_verify.t
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@@ -12,7 +12,7 @@ use warnings;
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use File::Spec::Functions qw/canonpath/;
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use File::Copy;
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-use OpenSSL::Test qw/:DEFAULT srctop_file ok_nofips with/;
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+use OpenSSL::Test qw/:DEFAULT srctop_file bldtop_dir ok_nofips with/;
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use OpenSSL::Test::Utils;
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setup("test_verify");
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@@ -29,7 +29,7 @@ sub verify {
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run(app([@args]));
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}
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-plan tests => 160;
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+plan tests => 163;
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# Canonical success
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ok(verify("ee-cert", "sslserver", ["root-cert"], ["ca-cert"]),
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@@ -309,6 +309,29 @@ SKIP: {
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["ca-cert-ec-named"]),
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"accept named curve leaf with named curve intermediate");
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}
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+# Same as above but with base provider used for decoding
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+SKIP: {
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+ my $no_fips = disabled('fips') || ($ENV{NO_FIPS} // 0);
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+ skip "EC is not supported or FIPS is disabled", 3
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+ if disabled("ec") || $no_fips;
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+
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+ my $provconf = srctop_file("test", "fips-and-base.cnf");
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+ my $provpath = bldtop_dir("providers");
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+ my @prov = ("-provider-path", $provpath);
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+ $ENV{OPENSSL_CONF} = $provconf;
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+
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+ ok(!verify("ee-cert-ec-explicit", "", ["root-cert"],
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+ ["ca-cert-ec-named"], @prov),
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+ "reject explicit curve leaf with named curve intermediate w/fips");
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+ ok(!verify("ee-cert-ec-named-explicit", "", ["root-cert"],
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+ ["ca-cert-ec-explicit"], @prov),
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+ "reject named curve leaf with explicit curve intermediate w/fips");
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+ ok(verify("ee-cert-ec-named-named", "", ["root-cert"],
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+ ["ca-cert-ec-named"], @prov),
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+ "accept named curve leaf with named curve intermediate w/fips");
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+
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+ delete $ENV{OPENSSL_CONF};
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+}
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# Depth tests, note the depth limit bounds the number of CA certificates
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# between the trust-anchor and the leaf, so, for example, with a root->ca->leaf
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