3f944674b2
Unfortunately, this driver suffers a lot from Wycheproof's Java heritgate, but so it goes. Their test formats bake in a lot of Java API mistakes. Change-Id: I3299e85efb58e99e4fa34841709c3bea6518968d Reviewed-on: https://boringssl-review.googlesource.com/27865 Reviewed-by: Steven Valdez <svaldez@google.com> Commit-Queue: David Benjamin <davidben@google.com> CQ-Verified: CQ bot account: commit-bot@chromium.org <commit-bot@chromium.org>
125 lines
3.8 KiB
C++
125 lines
3.8 KiB
C++
/* Copyright (c) 2018, Google Inc.
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*
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* Permission to use, copy, modify, and/or distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
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* SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
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* OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
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* CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */
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#include "./wycheproof_util.h"
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#include <openssl/bn.h>
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#include <openssl/digest.h>
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#include <openssl/ec.h>
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#include <openssl/nid.h>
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#include "./file_test.h"
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bool GetWycheproofResult(FileTest *t, WycheproofResult *out) {
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std::string result;
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if (!t->GetAttribute(&result, "result")) {
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return false;
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}
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if (result == "valid") {
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*out = WycheproofResult::kValid;
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} else if (result == "invalid") {
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*out = WycheproofResult::kInvalid;
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} else if (result == "acceptable") {
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*out = WycheproofResult::kAcceptable;
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} else {
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t->PrintLine("Bad result string '%s'", result.c_str());
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return false;
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}
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return true;
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}
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const EVP_MD *GetWycheproofDigest(FileTest *t, const char *key,
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bool instruction) {
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std::string name;
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bool ok =
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instruction ? t->GetInstruction(&name, key) : t->GetAttribute(&name, key);
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if (!ok) {
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return nullptr;
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}
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if (name == "SHA-1") {
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return EVP_sha1();
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}
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if (name == "SHA-224") {
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return EVP_sha224();
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}
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if (name == "SHA-256") {
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return EVP_sha256();
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}
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if (name == "SHA-384") {
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return EVP_sha384();
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}
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if (name == "SHA-512") {
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return EVP_sha512();
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}
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t->PrintLine("Unknown digest '%s'", name.c_str());
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return nullptr;
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}
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bssl::UniquePtr<EC_GROUP> GetWycheproofCurve(FileTest *t, const char *key,
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bool instruction) {
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std::string name;
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bool ok =
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instruction ? t->GetInstruction(&name, key) : t->GetAttribute(&name, key);
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if (!ok) {
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return nullptr;
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}
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int nid;
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if (name == "secp224r1") {
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nid = NID_secp224r1;
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} else if (name == "secp256r1") {
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nid = NID_X9_62_prime256v1;
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} else if (name == "secp384r1") {
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nid = NID_secp384r1;
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} else if (name == "secp521r1") {
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nid = NID_secp521r1;
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} else {
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t->PrintLine("Unknown curve '%s'", name.c_str());
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return nullptr;
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}
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return bssl::UniquePtr<EC_GROUP>(EC_GROUP_new_by_curve_name(nid));
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}
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bssl::UniquePtr<BIGNUM> GetWycheproofBIGNUM(FileTest *t, const char *key,
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bool instruction) {
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std::string value;
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bool ok = instruction ? t->GetInstruction(&value, key)
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: t->GetAttribute(&value, key);
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if (!ok) {
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return nullptr;
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}
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BIGNUM *bn = nullptr;
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if (BN_hex2bn(&bn, value.c_str()) != static_cast<int>(value.size())) {
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BN_free(bn);
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t->PrintLine("Could not decode value '%s'", value.c_str());
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return nullptr;
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}
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bssl::UniquePtr<BIGNUM> ret(bn);
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if (!value.empty()) {
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// If the high bit is one, this is a negative number in Wycheproof.
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// Wycheproof's tests generally mimic Java APIs, including all their
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// mistakes. See
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// https://github.com/google/wycheproof/blob/0329f5b751ef102bd6b7b7181b6e049522a887f5/java/com/google/security/wycheproof/JsonUtil.java#L62.
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if ('0' > value[0] || value[0] > '7') {
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bssl::UniquePtr<BIGNUM> tmp(BN_new());
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if (!tmp ||
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!BN_set_bit(tmp.get(), value.size() * 4) ||
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!BN_sub(ret.get(), ret.get(), tmp.get())) {
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return nullptr;
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}
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}
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}
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return ret;
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}
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