88 lines
4.5 KiB
C#
88 lines
4.5 KiB
C#
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using System;
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using System.Threading.Tasks;
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using Xunit;
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using Bit.Core.Services;
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using Bit.Core.Enums;
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using Bit.Test.Common.AutoFixture.Attributes;
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using System.Text;
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namespace Bit.Core.Test.Services
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{
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public class CryptoFunctionServiceTests
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{
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const string regular256Key = "qBUmEYtwTwwGPuw/z6bs/qYXXYNUlocFlyAuuANI8Pw=";
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const string utf8256Key = "6DfJwW1R3txgiZKkIFTvVAb7qVlG7lKcmJGJoxR2GBU=";
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const string unicode256Key = "gejGI82xthA+nKtKmIh82kjw+ttHr+ODsUoGdu5sf0A=";
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const string regular512Key = "xe5cIG6ZfwGmb1FvsOedM0XKOm21myZkjL/eDeKIqqM=";
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const string utf8512Key = "XQMVBnxVEhlvjSFDQc77j5GDE9aorvbS0vKnjhRg0LY=";
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const string unicode512Key = "148GImrTbrjaGAe/iWEpclINM8Ehhko+9lB14+52lqc=";
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const string regularSalt = "salt";
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const string utf8Salt = "üser_salt";
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const string unicodeSalt = "😀salt🙏";
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const string regularInfo = "info";
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const string utf8Info = "üser_info";
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const string unicodeInfo = "😀info🙏";
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const string prk16Byte = "criAmKtfzxanbgea5/kelQ==";
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const string prk32Byte = "F5h4KdYQnIVH4rKH0P9CZb1GrR4n16/sJrS0PsQEn0Y=";
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const string prk64Byte = "ssBK0mRG17VHdtsgt8yo4v25CRNpauH+0r2fwY/E9rLyaFBAOMbIeTry+" +
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"gUJ28p8y+hFh3EI9pcrEWaNvFYonQ==";
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[Theory, AutoSubstitutionData]
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async public Task HkdfExpand_PrkTooSmall_Throws(PclCryptoFunctionService sut)
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{
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var exception = await Assert.ThrowsAsync<ArgumentException>(
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() => sut.HkdfExpandAsync(Convert.FromBase64String(prk16Byte), "info", 32, HkdfAlgorithm.Sha256));
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Assert.Contains("too small", exception.Message);
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}
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[Theory, AutoSubstitutionData]
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async public Task HkdfoExpand_OutputTooBig_Throws(PclCryptoFunctionService sut)
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{
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var exception = await Assert.ThrowsAsync<ArgumentException>(
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() => sut.HkdfExpandAsync(Convert.FromBase64String(prk32Byte), "info", 8161, HkdfAlgorithm.Sha256));
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Assert.Contains("too large", exception.Message);
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}
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[Theory]
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[InlineAutoSubstitutionData(regular256Key, HkdfAlgorithm.Sha256, prk16Byte, regularSalt, regularInfo)]
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[InlineAutoSubstitutionData(utf8256Key, HkdfAlgorithm.Sha256, prk16Byte, utf8Salt, utf8Info)]
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[InlineAutoSubstitutionData(unicode256Key, HkdfAlgorithm.Sha256, prk16Byte, unicodeSalt, unicodeInfo)]
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[InlineAutoSubstitutionData(regular512Key, HkdfAlgorithm.Sha512, prk16Byte, regularSalt, regularInfo)]
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[InlineAutoSubstitutionData(utf8512Key, HkdfAlgorithm.Sha512, prk16Byte, utf8Salt, utf8Info)]
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[InlineAutoSubstitutionData(unicode512Key, HkdfAlgorithm.Sha512, prk16Byte, unicodeSalt, unicodeInfo)]
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async public Task Hkdf_Success(string expectedKey, HkdfAlgorithm algorithm, string ikmString, string salt, string info, PclCryptoFunctionService sut)
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{
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byte[] ikm = Convert.FromBase64String(ikmString);
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var key = await sut.HkdfAsync(ikm, salt, info, 32, algorithm);
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Assert.Equal(expectedKey, Convert.ToBase64String(key));
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var keyFromByteArray = await sut.HkdfAsync(ikm, Encoding.UTF8.GetBytes(salt), Encoding.UTF8.GetBytes(info), 32, algorithm);
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Assert.Equal(key, keyFromByteArray);
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}
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[Theory]
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[InlineAutoSubstitutionData("BnIqJlfnHm0e/2iB/15cbHyR19ARPIcWRp4oNS22CD8=",
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HkdfAlgorithm.Sha256, prk32Byte, 32, regularInfo)]
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[InlineAutoSubstitutionData("BnIqJlfnHm0e/2iB/15cbHyR19ARPIcWRp4oNS22CD9BV+/queOZenPNkDhmlVyL2WZ3OSU5+7ISNF5NhNfvZA==",
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HkdfAlgorithm.Sha256, prk32Byte, 64, regularInfo)]
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[InlineAutoSubstitutionData("uLWbMWodSBms5uGJ5WTRTesyW+MD7nlpCZvagvIRXlk=",
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HkdfAlgorithm.Sha512, prk64Byte, 32, regularInfo)]
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[InlineAutoSubstitutionData("uLWbMWodSBms5uGJ5WTRTesyW+MD7nlpCZvagvIRXlkY5Pv0sB+MqvaopmkC6sD/j89zDwTV9Ib2fpucUydO8w==",
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HkdfAlgorithm.Sha512, prk64Byte, 64, regularInfo)]
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async public Task HkdfExpand_Success(string expectedKey, HkdfAlgorithm algorithm, string prkString, int outputByteSize, string info, PclCryptoFunctionService sut)
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{
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var prk = Convert.FromBase64String(prkString);
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var key = await sut.HkdfExpandAsync(prk, info, outputByteSize, algorithm);
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Assert.Equal(expectedKey, Convert.ToBase64String(key));
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var keyFromByteArray = await sut.HkdfExpandAsync(prk, Encoding.UTF8.GetBytes(info), outputByteSize, algorithm);
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Assert.Equal(key, keyFromByteArray);
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}
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}
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}
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