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Information technology - Security techniques - Anonymous entity authentication - Part 1- General. Original standard ISO IEC 20009-1-2013 in PDF full version. Additional info + preview on request
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Information technology - Security techniques - Anonymous entity authentication - Part 2- Mechanisms based on signatures using a group public key. Original standard ISO IEC 20009-2-2013 in PDF full version. Additional info + preview on request
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Information security - Anonymous entity authentication - Part 3- Mechanisms based on blind signatures. Original standard ISO IEC 20009-3-2022 in PDF full version. Additional info + preview on request
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Information technology - Security techniques - Anonymous entity authentication - Part 4- Mechanisms based on weak secrets. Original standard ISO IEC 20009-4-2017 in PDF full version. Additional info + preview on request
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Information technology for learning, education and training - Reference framework of e-Portfolio information. Original standard ISO IEC 20013-2020 in PDF full version. Additional info + preview on request
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Information technology for learning, education and training - Language accessibility and human interface equivalencies (HIEs) in e-learning applications - Part 1- Framework and reference model for semantic interoperability. Original standard ISO IEC 20016-1-2014 in PDF full version. Additional info + preview on request
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