67 lines
2.6 KiB
C++
67 lines
2.6 KiB
C++
#include <gtest/gtest.h>
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#include "cpp-utils/crypto/kdf/Scrypt.h"
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using namespace cpputils;
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using std::string;
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class SCryptTest : public ::testing::Test {
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public:
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unique_ref<SCrypt> scryptForNewKey = SCrypt::forNewKey(SCrypt::TestSettings);
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unique_ref<SCrypt> scryptForExistingKey = SCrypt::forExistingKey(scryptForNewKey->kdfParameters());
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SCryptParameters kdfParameters(const SCrypt &scrypt) {
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SCryptParameters result = SCryptParameters::deserialize(scrypt.kdfParameters());
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return result;
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}
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};
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TEST_F(SCryptTest, GeneratedKeyIsReproductible_448) {
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auto derivedKey = scryptForNewKey->deriveKey<56>("mypassword");
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auto rederivedKey = scryptForExistingKey->deriveKey<56>("mypassword");
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EXPECT_EQ(derivedKey, rederivedKey);
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}
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TEST_F(SCryptTest, GeneratedKeyIsReproductible_256) {
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auto derivedKey = scryptForNewKey->deriveKey<32>("mypassword");
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auto rederivedKey = scryptForExistingKey->deriveKey<32>("mypassword");
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EXPECT_EQ(derivedKey, rederivedKey);
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}
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TEST_F(SCryptTest, GeneratedKeyIsReproductible_128) {
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auto derivedKey = scryptForNewKey->deriveKey<16>("mypassword");
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auto rederivedKey = scryptForExistingKey->deriveKey<16>("mypassword");
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EXPECT_EQ(derivedKey, rederivedKey);
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}
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TEST_F(SCryptTest, GeneratedKeyIsReproductible_DefaultSettings) {
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auto derivedKey = scryptForNewKey->deriveKey<16>("mypassword");
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auto rederivedKey = scryptForExistingKey->deriveKey<16>("mypassword");
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EXPECT_EQ(derivedKey, rederivedKey);
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}
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TEST_F(SCryptTest, DifferentPasswordResultsInDifferentKey) {
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auto derivedKey = scryptForNewKey->deriveKey<16>("mypassword");
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auto rederivedKey = scryptForExistingKey->deriveKey<16>("mypassword2");
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EXPECT_NE(derivedKey, rederivedKey);
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}
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TEST_F(SCryptTest, UsesCorrectSettings) {
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auto scrypt = SCrypt::forNewKey(SCrypt::TestSettings);
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auto derivedKey = scrypt->deriveKey<16>("mypassword");
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SCryptParameters parameters = kdfParameters(*scrypt);
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EXPECT_EQ(SCrypt::TestSettings.SALT_LEN, parameters.salt().size());
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EXPECT_EQ(SCrypt::TestSettings.N, parameters.N());
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EXPECT_EQ(SCrypt::TestSettings.r, parameters.r());
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EXPECT_EQ(SCrypt::TestSettings.p, parameters.p());
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}
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TEST_F(SCryptTest, UsesCorrectDefaultSettings) {
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auto scrypt = SCrypt::forNewKey(SCrypt::DefaultSettings);
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auto derivedKey = scrypt->deriveKey<16>("mypassword");
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SCryptParameters parameters = kdfParameters(*scrypt);
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EXPECT_EQ(SCrypt::DefaultSettings.SALT_LEN, parameters.salt().size());
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EXPECT_EQ(SCrypt::DefaultSettings.N, parameters.N());
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EXPECT_EQ(SCrypt::DefaultSettings.r, parameters.r());
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EXPECT_EQ(SCrypt::DefaultSettings.p, parameters.p());
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}
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