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Adding [X]Salsa20 and [X]Chacha20 to the Chacha20/Poly1305 proposal including AEAD construction

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Submitted By Stefan Marsiske on 2018-01-21 5:39 pm UTC

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OASIS PKCS 11 TC / Working Drafts

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Description

changes from the previous version: Added AEAD modes for Salsa20/Poly1305 and ChaCha20/Poly1305. Also merged the variants into one mechanism, the variant is selected by setting the nonce size to 64/96/192 bits respectively. Removed redundant parameter types. Renamed IV into block counter. Consistently used hungarian notation in parameter field names. Introduced constant for CKM_SALSA20 which was missing. Comparison tables for nonce sizes, and for chacha20 also block counters.