GCHQ challenge 2015 - kelvin tooth - solutions????????



The Questions
GCHQ_XMAS_2015_solutions-sprague.docx

20151217_gchq_005_001_where.pdf
20151217_gchq_005_002_sum.pdf
20151217_gchq_005_003_algebraic.pdf
20151217_gchq_005_003_algebraic_02.pdf
20151217_gchq_005_004_manifold_agreement.pdf
20151217_gchq_005_005_looter.pdf
20151217_gchq_005_006_message.pdf
20151217_gchq_005_007a_graph_theory.pdf
20151217_gchq_005_007_graph_theory.pdf
20151217_gchq_005_008a_crossword.pdf
20151217_gchq_005_008_crossword.pdf
20151217_gchq_005_009_wordsearch.pdf
20151217_gchq_005_009_wordsearch_country_list.pdf
20151217_gchq_005_010_registration.pdf
20151229_gchq_005_011_cipher.pdf
20151217_gchq_005_000a_image_steganography.pdf

20151217_gchq_005_000_cover
20151217_gchq_005_000_cover_a
20151217_gchq_005_000_cover_b