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Fix parsing of special chars in X509 DN values

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Use escape mechanism defined in RFC 1779 when parsing commas and other
special characters in X509 DN values. Resolves failures when generating
a certificate with a CSR containing a comma in subject value.
Fixes #769.

Signed-off-by: Werner Lewis <werner.lewis@arm.com>
This commit is contained in:
Werner Lewis
2022-05-20 12:48:46 +01:00
committed by Werner Lewis
parent 07040bb179
commit b33dacdb50
7 changed files with 69 additions and 9 deletions
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8
tests/data_files/Makefile
View File

@ -909,6 +909,10 @@ server1.req.cert_type_empty: server1.key
$(MBEDTLS_CERT_REQ) output_file=$@ filename=$< subject_name="C=NL,O=PolarSSL,CN=PolarSSL Server 1" md=SHA1 force_ns_cert_type=1
all_final += server1.req.cert_type_empty
server1.req.commas.sha256: server1.key
$(MBEDTLS_CERT_REQ) output_file=$@ filename=$< subject_name="C=NL,O=PolarSSL\, Commas,CN=PolarSSL Server 1" md=SHA256
all_final += server1.req.commas.sha256
# server2*
server2_pwd_ec = PolarSSLTest
@ -966,7 +970,9 @@ server1.crt.der: server1.crt
$(MBEDTLS_CERT_WRITE) request_file=server1.req.sha256 issuer_crt=$(test_ca_crt) issuer_key=$(test_ca_key_file_rsa) issuer_pwd=$(test_ca_pwd_rsa) not_before=20190210144406 not_after=20290210144406 md=SHA1 authority_identifier=0 version=3 output_file=$@
server1.der: server1.crt
$(OPENSSL) x509 -inform PEM -in $< -outform DER -out $@
all_final += server1.crt server1.noauthid.crt server1.crt.der
server1.commas.crt: server1.key server1.req.commas.sha256 $(test_ca_crt) $(test_ca_key_file_rsa)
$(MBEDTLS_CERT_WRITE) request_file=server1.req.commas.sha256 issuer_crt=$(test_ca_crt) issuer_key=$(test_ca_key_file_rsa) issuer_pwd=$(test_ca_pwd_rsa) version=1 not_before=20190210144406 not_after=20290210144406 md=SHA1 version=3 output_file=$@
all_final += server1.crt server1.noauthid.crt server1.crt.der server1.commas.crt
server1.key_usage.crt: server1.key server1.req.sha256 $(test_ca_crt) $(test_ca_key_file_rsa)
$(MBEDTLS_CERT_WRITE) request_file=server1.req.sha256 issuer_crt=$(test_ca_crt) issuer_key=$(test_ca_key_file_rsa) issuer_pwd=$(test_ca_pwd_rsa) version=1 not_before=20190210144406 not_after=20290210144406 md=SHA1 key_usage=digital_signature,non_repudiation,key_encipherment version=3 output_file=$@

20
tests/data_files/server1.commas.crt Normal file
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@ -0,0 +1,20 @@
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

16
tests/data_files/server1.req.commas.sha256 Normal file
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@ -0,0 +1,16 @@
-----BEGIN CERTIFICATE REQUEST-----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-----END CERTIFICATE REQUEST-----