James I and the performance and representation of royalty

This thesis explores how James I performed and represented his royalty in two key areas. The first is his engagement with the European tradition of magnificence, which was a central aspect of Renaissance court culture, in such areas as public appearance and liberality. The second is his self-representation in his writings. James prioritised verbal over visual forms of self-representation and portrayed himself as a Writer-King, and these are amongst the most distinctive aspects of his kingship. The thesis examines a range of primary sources, principally James’s writings but also contemporary responses to the king’s self-representation, such as letters and ambassadorial reports, and engages with other critical and historical studies. The gaps and misapprehensions in accounts of James that this thesis contributes towards rectifying derive from several general tendencies. There has been an over-reliance on the early historiography of James, a lack of work on the Scottish and European contexts for his self-representation in England, and little attention paid to his writings. This thesis combines the close reading of the ‘literary’ approach with the attention to context of the ‘historical’ approach, placing the discussion of James’s self-representation within the cultural and political contexts of Scotland and England, and considering his cultural and political engagement with continental Europe. It has four main chapters, one on James’s background in Scotland, one on his performance of the role of magnificent king in England, and two on the writings he wrote or republished in England. The discussion reveals that in Scotland James developed tendencies, strategies, and anxieties that would continue into his English reign, and argues that negative perceptions of him in England derived largely from a clash between the style he had developed and the expectations of his new subjects. It examines James’s attempts to combine authorship and authority and reveals their problematic relationship. The discussion suggests that James was aware of the importance of effective self-representation, but his style, the clash of expectations, and problems inherent in the representation of royalty, meant that his attempts to reinforce his image risked undermining and demystifying the king

A second look at Fischlin's transformation

Fischlin’s transformation is an alternative to the standard Fiat-Shamir transform to turn a certain class of public key identification schemes into digital signatures (in the random oracle model). We show that signatures obtained via Fischlin’s transformation are existentially unforgeable even in case the adversary is allowed to get arbitrary (yet bounded) information on the entire state of the signer (including the signing key and the random coins used to generate signatures). A similar fact was already known for the Fiat-Shamir transform, however, Fischlin’s transformation allows for a significantly higher leakage parameter than Fiat-Shamir. Moreover, in contrast to signatures obtained via Fiat-Shamir, signatures obtained via Fischlin enjoy a tight reduction to the underlying hard problem. We use this observation to show (via simulations) that Fischlin’s transformation, usually considered less efficient, outperforms the Fiat-Shamir transform in verification time for a reasonable choice of parameters. In terms of signing Fiat-Shamir is faster for equal signature sizes. Nonetheless, our experiments show that the signing time of Fischlin’s transformation becomes, e.g., 22 % of the one via Fiat-Shamir if one allows the signature size to be doubled