CREATE PROCEDURE [dbo].[UserSignatureKeyPair_UpdateForRotation]
    @UserId UNIQUEIDENTIFIER,
    @SignatureAlgorithm TINYINT,
    @SigningKey VARCHAR(MAX),
    @VerifyingKey VARCHAR(MAX),
    @RevisionDate DATETIME2(7)
AS
BEGIN
    SET NOCOUNT ON;
    UPDATE  
        [dbo].[UserSignatureKeyPair]  
    SET  
        [SignatureAlgorithm] = @SignatureAlgorithm,  
        [SigningKey] = @SigningKey,  
        [VerifyingKey] = @VerifyingKey,  
        [RevisionDate] = @RevisionDate  
    WHERE  
        [UserId] = @UserId;
END