galaeth-draft/Galaeth.Services/Interfaces/ICryptographyService.cs

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2024-11-17 10:31:01 +01:00
namespace Galaeth.Services.Interfaces;
/// <summary>
/// Cryptographic operations.
/// </summary>
public interface ICryptographyService
{
/// <summary>
/// Generate a random salt.
/// </summary>
/// <param name="size">Size of the salt to generate - if omitted, will use PwdHashSettings:HashSize config.</param>
/// <returns>Byte array containing the generated salt.</returns>
byte[] GenerateSalt(int? size = null);
/// <summary>
/// Hash a password string with the accompanying salt.
/// </summary>
/// <param name="password">The password to hash.</param>
/// <param name="salt">The salt to use.</param>
/// <returns>A byte array of PwdHashSettings:HashSize config size of the password.</returns>
byte[] HashPassword(string password, byte[] salt);
/// <summary>
/// Verify that the given password matches the password hash and salt.
/// </summary>
/// <param name="password">The password to test.</param>
/// <param name="salt">The password's accompanying salt.</param>
/// <param name="passwordHash">The password hash to test again.</param>
/// <returns>True if verified, false otherwise.</returns>
bool VerifyPassword(string password, byte[] salt, byte[] passwordHash);
/// <summary>
/// Verify that the given password matches the password hash and salt.
/// </summary>
/// <param name="password">The password to test.</param>
/// <param name="salt">The password's base64 encoded accompanying salt.</param>
/// <param name="passwordHash">The password base64 hash to test again.</param>
/// <returns>True if verified, false otherwise.</returns>
bool VerifyPassword(string password, string salt, string passwordHash);
/// <summary>
/// Generate a cryptographically random string.
/// </summary>
/// <param name="length">Length of string to create.</param>
/// <returns>A random string.</returns>
string GenerateRandomString(int length);
}