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Support EdDSA

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This commit adds support for EdDSA (Ed25519 and Ed448). In particular:

* It modifies prepare_tls_clienthello() to include Ed25519 and Ed448 in the signature_algorithms extension of the TLS 1.2 and earlier ClientHello (RFC 8422).

* It modifies run_server_defaults() and get_server_certificate() to check whether the server offers EdDSA certificates with TLS 1.3.

* It modifies certificate_info() to handle certificates signed with EdDSA or with EdDSA public keys, even if $OPENSSL does not support pretty printing such keys and signatures.

* It modifies read_sigalg_from_file() to recognize EdDSA signatures even if $OPENSSL does not.
This commit is contained in:
David Cooper
2020-05-14 14:55:48 -04:00
parent 42386e512b
commit 3ae48931fb
2 changed files with 54 additions and 17 deletions
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CHANGELOG.md
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@@ -16,6 +16,7 @@
* Don't use external pwd anymore
* STARTTLS: XMPP server support
* Rating (SSL Labs, not complete)
* Added support for certificates with EdDSA signatures and pubilc keys
### Features implemented / improvements in 3.0