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Henry Brausen 360f6dcc5a Add basic RISC-V cpuid and OPENSSL_riscvcap 
RISC-V cpuid implementation allows bitmanip extensions Zb[abcs] to
be enabled at runtime using OPENSSL_riscvcap environment variable.

For example, to specify 64-bit RISC-V with the G,C,Zba,Zbb,Zbc
extensions, one could write: OPENSSL_riscvcap="rv64gc_zba_zbb_zbc"

Architecture string parsing is still very primitive, but can be
expanded in the future. Currently, only bitmanip extensions Zba, Zbb,
Zbc and Zbs are supported.

Includes implementation of constant-time CRYPTO_memcmp in riscv64 asm,
as well as OPENSSL_cleanse. Assembly implementations are written using
perlasm.

Reviewed-by: Philipp Tomsich <philipp.tomsich@vrull.eu>
Signed-off-by: Henry Brausen <henry.brausen@vrull.eu>

Reviewed-by: Tomas Mraz <tomas@openssl.org>
Reviewed-by: Paul Dale <pauli@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/17640)
2022-05-19 16:32:49 +10:00
..
designs/quic-design Add an initial QUIC Technical requirements document 2022-04-12 14:53:06 +01:00
HOWTO
images
internal Remove the _fetch_by_number functions 2022-05-06 10:38:55 +10:00
life-cycles
man1 Update copyright year 2022-05-03 13:34:51 +01:00
man3 Documentation: X509_V_ERR_CERT_CHAIN_TOO_LONG is not unused 2022-05-18 17:15:59 +02:00
man5 Update copyright year 2022-05-03 13:34:51 +01:00
man7 Add basic RISC-V cpuid and OPENSSL_riscvcap 2022-05-19 16:32:49 +10:00
build.info X509{,_LOOKUP}: Improve distinction between not found and fatal/internal error 2022-05-04 16:25:44 +02:00
build.info.in
dir-locals.example.el
fingerprints.txt Update Paul's pgp key signature 2022-05-03 12:34:46 +01:00
openssl-c-indent.el
perlvars.pm
README.md

README.md

OpenSSL Documentation

README.md This file

fingerprints.txt PGP fingerprints of authorised release signers

standards.txt standards.txt Moved to the web, https://www.openssl.org/docs/standards.html

HOWTO/ A few how-to documents; not necessarily up-to-date

man1/ The openssl command-line tools; start with openssl.pod

man3/ The SSL library and the crypto library

man5/ File formats

man7/ Overviews; start with crypto.pod and ssl.pod, for example Algorithm specific EVP_PKEY documentation.

Formatted versions of the manpages (apps,ssl,crypto) can be found at https://www.openssl.org/docs/manpages.html