bpo-32602: Test ECDSA certs (#5247)

Add test certs and test for ECDSA cert and EC/RSA dual mode.

I'm also adding certs for IDNA 2003/2008 tests and simplify some test
data handling.

Signed-off-by: Christian Heimes <christian@python.org>

1 files changed, 44 insertions, 27 deletions

diff --git a/Lib/test/keycert.passwd.pem b/Lib/test/keycert.passwd.pem
index e905748..0ad6960 100644
--- a/Lib/test/keycert.passwd.pem
+++ b/Lib/test/keycert.passwd.pem
@@ -1,33 +1,50 @@
 -----BEGIN RSA PRIVATE KEY-----
 Proc-Type: 4,ENCRYPTED
-DEK-Info: DES-EDE3-CBC,1A8D9D2A02EC698A
+DEK-Info: DES-EDE3-CBC,E74528136B90D2DD
 
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 -----END RSA PRIVATE KEY-----
 -----BEGIN CERTIFICATE-----
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 -----END CERTIFICATE-----