This book constitutes the thoroughly refereed post-proceedings of the First International Conference on Digital Rights Management: Technology, Issues, Challenges and Systems, DRMTICS 2005, held in Sydney, Australia, in October/November 2005. Presents 26 carefully reviewed full papers organized in topical sections on assurance and authentication issues, legal and related issues, expressing rights and management, watermarking, software issues, fingerprinting and image authentication, supporting cryptographic technology, P2P issues, implementations and architectures.