ref: e86bd6a50933e99899d63de755d81b9805827a15
dir: /third_party/boringssl/src/crypto/obj/obj_test.cc/
/* Copyright (c) 2016, Google Inc.
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
* SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
* OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
* CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */
#include <gtest/gtest.h>
#include <openssl/asn1.h>
#include <openssl/bytestring.h>
#include <openssl/crypto.h>
#include <openssl/obj.h>
#include "../internal.h"
TEST(ObjTest, TestBasic) {
static const int kNID = NID_sha256WithRSAEncryption;
static const char kShortName[] = "RSA-SHA256";
static const char kLongName[] = "sha256WithRSAEncryption";
static const char kText[] = "1.2.840.113549.1.1.11";
static const uint8_t kDER[] = {
0x2a, 0x86, 0x48, 0x86, 0xf7, 0x0d, 0x01, 0x01, 0x0b,
};
CBS cbs;
CBS_init(&cbs, kDER, sizeof(kDER));
ASSERT_EQ(kNID, OBJ_cbs2nid(&cbs));
ASSERT_EQ(kNID, OBJ_sn2nid(kShortName));
ASSERT_EQ(kNID, OBJ_ln2nid(kLongName));
ASSERT_EQ(kNID, OBJ_txt2nid(kShortName));
ASSERT_EQ(kNID, OBJ_txt2nid(kLongName));
ASSERT_EQ(kNID, OBJ_txt2nid(kText));
ASSERT_STREQ(kShortName, OBJ_nid2sn(kNID));
ASSERT_STREQ(kLongName, OBJ_nid2ln(kNID));
ASSERT_EQ(NID_undef, OBJ_sn2nid("this is not an OID"));
ASSERT_EQ(NID_undef, OBJ_ln2nid("this is not an OID"));
ASSERT_EQ(NID_undef, OBJ_txt2nid("this is not an OID"));
CBS_init(&cbs, NULL, 0);
ASSERT_EQ(NID_undef, OBJ_cbs2nid(&cbs));
// 1.2.840.113554.4.1.72585.2 (https://davidben.net/oid).
static const uint8_t kUnknownDER[] = {
0x2a, 0x86, 0x48, 0x86, 0xf7, 0x12, 0x04, 0x01, 0x84, 0xb7, 0x09, 0x02,
};
CBS_init(&cbs, kUnknownDER, sizeof(kUnknownDER));
ASSERT_EQ(NID_undef, OBJ_cbs2nid(&cbs));
}
TEST(ObjTest, TestSignatureAlgorithms) {
int digest_nid, pkey_nid;
ASSERT_TRUE(OBJ_find_sigid_algs(NID_sha256WithRSAEncryption, &digest_nid,
&pkey_nid));
ASSERT_EQ(digest_nid, NID_sha256);
ASSERT_EQ(pkey_nid, NID_rsaEncryption);
ASSERT_FALSE(OBJ_find_sigid_algs(NID_sha256, &digest_nid, &pkey_nid));
int sign_nid;
ASSERT_TRUE(OBJ_find_sigid_by_algs(&sign_nid, NID_sha256, NID_rsaEncryption));
ASSERT_EQ(sign_nid, NID_sha256WithRSAEncryption);
ASSERT_FALSE(OBJ_find_sigid_by_algs(&sign_nid, NID_dsa, NID_rsaEncryption));
}
static bool ExpectObj2Txt(const uint8_t *der, size_t der_len,
bool always_return_oid, const char *expected) {
bssl::UniquePtr<ASN1_OBJECT> obj(
ASN1_OBJECT_create(NID_undef, der, static_cast<int>(der_len),
/*sn=*/nullptr, /*ln=*/nullptr));
if (!obj) {
return false;
}
int expected_len = static_cast<int>(strlen(expected));
int len = OBJ_obj2txt(nullptr, 0, obj.get(), always_return_oid);
if (len != expected_len) {
fprintf(stderr,
"OBJ_obj2txt of %s with out_len = 0 returned %d, wanted %d.\n",
expected, len, expected_len);
return false;
}
char short_buf[1];
OPENSSL_memset(short_buf, 0xff, sizeof(short_buf));
len = OBJ_obj2txt(short_buf, sizeof(short_buf), obj.get(), always_return_oid);
if (len != expected_len) {
fprintf(stderr,
"OBJ_obj2txt of %s with out_len = 1 returned %d, wanted %d.\n",
expected, len, expected_len);
return false;
}
if (OPENSSL_memchr(short_buf, '\0', sizeof(short_buf)) == nullptr) {
fprintf(stderr,
"OBJ_obj2txt of %s with out_len = 1 did not NUL-terminate the "
"output.\n",
expected);
return false;
}
char buf[256];
len = OBJ_obj2txt(buf, sizeof(buf), obj.get(), always_return_oid);
if (len != expected_len) {
fprintf(stderr,
"OBJ_obj2txt of %s with out_len = 256 returned %d, wanted %d.\n",
expected, len, expected_len);
return false;
}
if (strcmp(buf, expected) != 0) {
fprintf(stderr, "OBJ_obj2txt returned \"%s\"; wanted \"%s\".\n", buf,
expected);
return false;
}
return true;
}
TEST(ObjTest, TestObj2Txt) {
// kSHA256WithRSAEncryption is the DER representation of
// 1.2.840.113549.1.1.11, id-sha256WithRSAEncryption.
static const uint8_t kSHA256WithRSAEncryption[] = {
0x2a, 0x86, 0x48, 0x86, 0xf7, 0x0d, 0x01, 0x01, 0x0b,
};
// kBasicConstraints is the DER representation of 2.5.29.19,
// id-basicConstraints.
static const uint8_t kBasicConstraints[] = {
0x55, 0x1d, 0x13,
};
// kTestOID is the DER representation of 1.2.840.113554.4.1.72585.0,
// from https://davidben.net/oid.
static const uint8_t kTestOID[] = {
0x2a, 0x86, 0x48, 0x86, 0xf7, 0x12, 0x04, 0x01, 0x84, 0xb7, 0x09, 0x00,
};
ASSERT_TRUE(
ExpectObj2Txt(kSHA256WithRSAEncryption, sizeof(kSHA256WithRSAEncryption),
true /* don't return name */, "1.2.840.113549.1.1.11"));
ASSERT_TRUE(
ExpectObj2Txt(kSHA256WithRSAEncryption, sizeof(kSHA256WithRSAEncryption),
false /* return name */, "sha256WithRSAEncryption"));
ASSERT_TRUE(ExpectObj2Txt(kBasicConstraints, sizeof(kBasicConstraints),
true /* don't return name */, "2.5.29.19"));
ASSERT_TRUE(ExpectObj2Txt(kBasicConstraints, sizeof(kBasicConstraints),
false /* return name */,
"X509v3 Basic Constraints"));
ASSERT_TRUE(ExpectObj2Txt(kTestOID, sizeof(kTestOID),
true /* don't return name */,
"1.2.840.113554.4.1.72585.0"));
ASSERT_TRUE(ExpectObj2Txt(kTestOID, sizeof(kTestOID), false /* return name */,
"1.2.840.113554.4.1.72585.0"));
// Python depends on the empty OID successfully encoding as the empty
// string.
ASSERT_TRUE(ExpectObj2Txt(nullptr, 0, false /* return name */, ""));
ASSERT_TRUE(ExpectObj2Txt(nullptr, 0, true /* don't return name */, ""));
// kNonMinimalOID is kBasicConstraints with the final component non-minimally
// encoded.
static const uint8_t kNonMinimalOID[] = {0x55, 0x1d, 0x80, 0x13};
bssl::UniquePtr<ASN1_OBJECT> obj(
ASN1_OBJECT_create(NID_undef, kNonMinimalOID, sizeof(kNonMinimalOID),
/*sn=*/nullptr, /*ln=*/nullptr));
ASSERT_TRUE(obj);
ASSERT_EQ(-1, OBJ_obj2txt(NULL, 0, obj.get(), 0));
// kOverflowOID is the DER representation of
// 1.2.840.113554.4.1.72585.18446744073709551616. (The final value is 2^64.)
static const uint8_t kOverflowOID[] = {
0x2a, 0x86, 0x48, 0x86, 0xf7, 0x12, 0x04, 0x01, 0x84, 0xb7, 0x09,
0x82, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x00,
};
obj.reset(ASN1_OBJECT_create(NID_undef, kOverflowOID, sizeof(kOverflowOID),
/*sn=*/nullptr, /*ln=*/nullptr));
ASSERT_TRUE(obj);
ASSERT_EQ(-1, OBJ_obj2txt(NULL, 0, obj.get(), 0));
// kInvalidOID is a mis-encoded version of kBasicConstraints with the final
// octet having the high bit set.
static const uint8_t kInvalidOID[] = {0x55, 0x1d, 0x93};
obj.reset(ASN1_OBJECT_create(NID_undef, kInvalidOID, sizeof(kInvalidOID),
/*sn=*/nullptr, /*ln=*/nullptr));
ASSERT_TRUE(obj);
ASSERT_EQ(-1, OBJ_obj2txt(NULL, 0, obj.get(), 0));
}