Diffusion libgcrypt c630fd71b336

ecc: Change algorithm for Ed25519 x recovery.
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Description

ecc: Change algorithm for Ed25519 x recovery.

* cipher/ecc-eddsa.c (scanval): Add as temporary hack.
(_gcry_ecc_eddsa_recover_x): Use the algorithm from page 15 of the
paper.  Return an error code.
(_gcry_ecc_eddsa_decodepoint): Take care of the error code.
* mpi/mpi-mul.c (gcry_mpi_mulm): Use truncated division.

Signed-off-by: Werner Koch <wk@gnupg.org>

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Authored on Oct 24 2013, 1:59 PM

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rC1cf5699b6feb: ecc: Refactor _gcry_ecc_eddsa_decodepoint.

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Werner Koch <wk@gnupg.org> committed rCc630fd71b336: ecc: Change algorithm for Ed25519 x recovery. (authored by Werner Koch <wk@gnupg.org>).Oct 24 2013, 2:56 PM

Changes (4)

Path

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cipher/

mpi/

tests/

rCc630fd71b336

cipher/ecc-common.h

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cipher/ecc-eddsa.c

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mpi/mpi-mul.c

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tests/t-ed25519.c

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