Added Length property to Hash and Salt structs. (#92)

Added Length property to Hash and Salt structs.

Author: MrMatthewLayton

Directory.Build.props

@@ -8,8 +8,8 @@
         <NeutralLanguage>en</NeutralLanguage>
         <Copyright>Copyright © ONIXLabs 2020</Copyright>
         <RepositoryUrl>https://github.com/onix-labs/onixlabs-dotnet</RepositoryUrl>
-        <Version>11.1.0</Version>
-        <PackageVersion>11.1.0</PackageVersion>
-        <AssemblyVersion>11.1.0</AssemblyVersion>
+        <Version>11.2.0</Version>
+        <PackageVersion>11.2.0</PackageVersion>
+        <AssemblyVersion>11.2.0</AssemblyVersion>
     </PropertyGroup>
 </Project>

OnixLabs.Security.Cryptography.UnitTests/HashTests.cs

@@ -36,6 +36,7 @@ public void HashShouldBeConstructableFromBytes()
 
         // Then
         Assert.Equal(expected, actual);
+        Assert.Equal(16, candidate.Length);
     }
 
     [Fact(DisplayName = "Hash should be constructable from byte and length")]
@@ -52,6 +53,7 @@ public void HashShouldBeConstructableFromByteAndLength()
 
         // Then
         Assert.Equal(expected, actual);
+        Assert.Equal(16, candidate.Length);
     }
 
     [Fact(DisplayName = "Hash value should not be modified when altering the original byte array")]
@@ -68,6 +70,7 @@ public void HashValueShouldNotBeModifiedWhenAlteringTheOriginalByteArray()
 
         // Then
         Assert.Equal(expected, actual);
+        Assert.Equal(4, candidate.Length);
     }
 
     [Fact(DisplayName = "Hash value should not be modified when altering the obtained byte array")]
@@ -83,6 +86,7 @@ public void HashValueShouldNotBeModifiedWhenAlteringTheObtainedByteArray()
 
         // Then
         Assert.Equal(expected, actual);
+        Assert.Equal(4, candidate.Length);
     }
 
     [Fact(DisplayName = "Identical default hash values should be considered equal")]
@@ -98,6 +102,9 @@ public void IdenticalDefaultHashValuesShouldBeConsideredEqual()
         Assert.True(left.Equals(right));
         Assert.True(left == right);
         Assert.False(left != right);
+
+        Assert.Equal(0, left.Length);
+        Assert.Equal(0, right.Length);
     }
 
     [Fact(DisplayName = "Identical hash values should be considered equal")]
@@ -113,6 +120,9 @@ public void IdenticalHashValuesShouldBeConsideredEqual()
         Assert.True(left.Equals(right));
         Assert.True(left == right);
         Assert.False(left != right);
+
+        Assert.Equal(4, left.Length);
+        Assert.Equal(4, right.Length);
     }
 
     [Fact(DisplayName = "Different hash values should not be considered equal")]
@@ -128,6 +138,9 @@ public void DifferentHashValuesShouldNotBeConsideredEqual()
         Assert.False(left.Equals(right));
         Assert.False(left == right);
         Assert.True(left != right);
+
+        Assert.Equal(4, left.Length);
+        Assert.Equal(4, right.Length);
     }
 
     [Fact(DisplayName = "Identical hash values should produce identical hash codes")]
@@ -143,6 +156,9 @@ public void IdenticalHashValuesShouldProduceIdenticalHashCodes()
 
         // Then
         Assert.Equal(leftHashCode, rightHashCode);
+
+        Assert.Equal(4, left.Length);
+        Assert.Equal(4, right.Length);
     }
 
     [Fact(DisplayName = "Different hash values should produce different hash codes")]
@@ -158,6 +174,9 @@ public void DifferentHashValuesShouldProduceDifferentHashCodes()
 
         // Then
         Assert.NotEqual(leftHashCode, rightHashCode);
+
+        Assert.Equal(4, left.Length);
+        Assert.Equal(4, right.Length);
     }
 
     [Fact(DisplayName = "Hashes should produce a negative-one sort order when the left-hand hash is lesser than the right-hand hash")]
@@ -173,6 +192,9 @@ public void HashesShouldProduceANegativeOneSortOrderWhenTheLeftHandHashIsLesserT
 
         // Then
         Assert.Equal(expected, actual);
+
+        Assert.Equal(1, left.Length);
+        Assert.Equal(1, right.Length);
     }
 
     [Fact(DisplayName = "Hashes should produce a positive-one sort order when the left-hand hash is greater than the right-hand hash")]
@@ -188,6 +210,9 @@ public void HashesShouldProduceAPositiveOneSortOrderWhenTheLeftHandHashIsGreater
 
         // Then
         Assert.Equal(expected, actual);
+
+        Assert.Equal(1, left.Length);
+        Assert.Equal(1, right.Length);
     }
 
     [Fact(DisplayName = "Hashes should produce a zero sort order when the left-hand hash is equal to the right-hand hash")]
@@ -203,6 +228,9 @@ public void HashesShouldProduceAZeroSortOrderWhenTheLeftHandHashIsEqualToTheRigh
 
         // Then
         Assert.Equal(expected, actual);
+
+        Assert.Equal(1, left.Length);
+        Assert.Equal(1, right.Length);
     }
 
     [Theory(DisplayName = "Hash.Compute should produce the expected hash using a byte array")]

OnixLabs.Security.Cryptography.UnitTests/SaltTests.cs

@@ -32,6 +32,7 @@ public void SaltShouldBeConstructableFromBytes()
 
         // Then
         Assert.Equal(expected, actual);
+        Assert.Equal(16, candidate.Length);
     }
 
     [Fact(DisplayName = "Salt value should not be modified when altering the original byte array")]
@@ -48,6 +49,7 @@ public void SaltValueShouldNotBeModifiedWhenAlteringTheOriginalByteArray()
 
         // Then
         Assert.Equal(expected, actual);
+        Assert.Equal(4, candidate.Length);
     }
 
     [Fact(DisplayName = "Salt value should not be modified when altering the obtained byte array")]
@@ -63,6 +65,7 @@ public void SaltValueShouldNotBeModifiedWhenAlteringTheObtainedByteArray()
 
         // Then
         Assert.Equal(expected, actual);
+        Assert.Equal(4, candidate.Length);
     }
 
     [Fact(DisplayName = "Identical default salt values should be considered equal")]
@@ -78,6 +81,9 @@ public void IdenticalDefaultSaltValuesShouldBeConsideredEqual()
         Assert.True(left.Equals(right));
         Assert.True(left == right);
         Assert.False(left != right);
+
+        Assert.Equal(0, left.Length);
+        Assert.Equal(0, right.Length);
     }
 
     [Fact(DisplayName = "Identical salt values should be considered equal")]
@@ -93,6 +99,9 @@ public void IdenticalSaltValuesShouldBeConsideredEqual()
         Assert.True(left.Equals(right));
         Assert.True(left == right);
         Assert.False(left != right);
+
+        Assert.Equal(4, left.Length);
+        Assert.Equal(4, right.Length);
     }
 
     [Fact(DisplayName = "Different salt values should not be considered equal")]
@@ -108,6 +117,9 @@ public void DifferentSaltValuesShouldNotBeConsideredEqual()
         Assert.False(left.Equals(right));
         Assert.False(left == right);
         Assert.True(left != right);
+
+        Assert.Equal(4, left.Length);
+        Assert.Equal(4, right.Length);
     }
 
     [Fact(DisplayName = "Identical salt values should produce identical hash codes")]
@@ -123,6 +135,9 @@ public void IdenticalSaltValuesShouldProduceIdenticalSaltCodes()
 
         // Then
         Assert.Equal(leftHashCode, rightHashCode);
+
+        Assert.Equal(4, left.Length);
+        Assert.Equal(4, right.Length);
     }
 
     [Fact(DisplayName = "Different salt values should produce different hash codes")]
@@ -138,6 +153,9 @@ public void DifferentSaltValuesShouldProduceDifferentSaltCodes()
 
         // Then
         Assert.NotEqual(leftHashCode, rightHashCode);
+
+        Assert.Equal(4, left.Length);
+        Assert.Equal(4, right.Length);
     }
 
     [Fact(DisplayName = "Salt.Create should produce a salt of the specified length")]
@@ -149,6 +167,8 @@ public void SaltCreateShouldProduceASaltOfTheSpecifiedLength()
 
         // Then
         Assert.Equal(expected, candidate.AsReadOnlySpan().Length);
+
+        Assert.Equal(32, candidate.Length);
     }
 
     [Fact(DisplayName = "Salt.CreateNonZero should produce a salt of the specified length of non-zero bytes")]
@@ -161,5 +181,7 @@ public void SaltCreateNonZeroShouldProduceASaltOfTheSpecifiedLengthOfNonZeroByte
         // Then
         Assert.Equal(expected, candidate.AsReadOnlySpan().Length);
         Assert.True(candidate.AsReadOnlySpan().ToArray().None(value => value is 0));
+
+        Assert.Equal(32, candidate.Length);
     }
 }

OnixLabs.Security.Cryptography/Hash.cs

@@ -23,7 +23,7 @@ namespace OnixLabs.Security.Cryptography;
 /// Represents a cryptographic hash.
 /// </summary>
 /// <param name="value">The underlying value of the cryptographic hash.</param>
-public readonly partial struct Hash(ReadOnlySpan<byte> value) : ICryptoPrimitive<Hash>, IValueComparable<Hash>, ISpanParsable<Hash>, ISpanBinaryConvertible
+public readonly partial struct Hash(ReadOnlySpan<byte> value) : ICryptoPrimitive<Hash>, IValueComparable<Hash>, ISpanParsable<Hash>
 {
     /// <summary>
     /// Initializes a new instance of the <see cref="Hash"/> struct.
@@ -42,4 +42,9 @@ public Hash(byte value, int length) : this(Enumerable.Repeat(value, length).ToAr
     }
 
     private readonly byte[] value = value.ToArray();
+
+    /// <summary>
+    /// Gets the length of the current <see cref="Hash"/> in bytes.
+    /// </summary>
+    public int Length => value?.Length ?? 0;
 }

OnixLabs.Security.Cryptography/MerkleTree.cs

@@ -13,14 +13,13 @@
 // limitations under the License.
 
 using System.Security.Cryptography;
-using OnixLabs.Core;
 
 namespace OnixLabs.Security.Cryptography;
 
 /// <summary>
 /// Represents a Merkle tree.
 /// </summary>
-public abstract partial class MerkleTree : ICryptoPrimitive<MerkleTree>, ISpanBinaryConvertible
+public abstract partial class MerkleTree : ICryptoPrimitive<MerkleTree>
 {
     /// <summary>
     /// Initializes a new instance of the <see cref="MerkleTree"/> class.

OnixLabs.Security.Cryptography/Salt.cs

@@ -22,7 +22,7 @@ namespace OnixLabs.Security.Cryptography;
 /// Represents a cryptographically secure random number, otherwise known as a salt value.
 /// </summary>
 /// <param name="value">The underlying value of the salt.</param>
-public readonly partial struct Salt(ReadOnlySpan<byte> value) : ICryptoPrimitive<Salt>, ISpanBinaryConvertible
+public readonly partial struct Salt(ReadOnlySpan<byte> value) : ICryptoPrimitive<Salt>
 {
     /// <summary>
     /// Initializes a new instance of the <see cref="Salt"/> struct.
@@ -32,4 +32,9 @@ public readonly partial struct Salt(ReadOnlySpan<byte> value) : ICryptoPrimitive
     public Salt(ReadOnlySequence<byte> value) : this(ReadOnlySpan<byte>.Empty) => value.CopyTo(out this.value);
 
     private readonly byte[] value = value.ToArray();
+
+    /// <summary>
+    /// Gets the length of the current <see cref="Salt"/> in bytes.
+    /// </summary>
+    public int Length => value?.Length ?? 0;
 }