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2 Проблемы с сертификатами
OpenSSL используется с CRL и по некоторым CA в цепочке сертификатов их CRL не включены в TLSCRLFile
В журнале TLS сервера в случае mbed TLS (PolarSSL) и OpenSSL узлов:
failed to accept an incoming connection: from 127.0.0.1: TLS handshake with 127.0.0.1 returned error code 1: \
file s3_srvr.c line 3251: error:14089086: SSL routines:ssl3_get_client_certificate:certificate verify failed: \
TLS write fatal alert "unknown CA"В журнале TLS сервера в случае GnuTLS узла:
failed to accept an incoming connection: from 127.0.0.1: TLS handshake with 127.0.0.1 returned error code 1: \
file rsa_pk1.c line 103: error:0407006A: rsa routines:RSA_padding_check_PKCS1_type_1:\
block type is not 01 file rsa_eay.c line 705: error:04067072: rsa routines:RSA_EAY_PUBLIC_DECRYPT:paddinCRL устарел или срок действия истечет в процессе операции сервера
OpenSSL, в журнале сервера:
- до истечения срока действия:
cannot connect to proxy "proxy-openssl-1.0.1e": TCP successful, cannot establish TLS to [[127.0.0.1]:20004]:\
SSL_connect() returned SSL_ERROR_SSL: file s3_clnt.c line 1253: error:14090086:\
SSL routines:ssl3_get_server_certificate:certificate verify failed:\
TLS write fatal alert "certificate revoked"- после истечения срока действия:
cannot connect to proxy "proxy-openssl-1.0.1e": TCP successful, cannot establish TLS to [[127.0.0.1]:20004]:\
SSL_connect() returned SSL_ERROR_SSL: file s3_clnt.c line 1253: error:14090086:\
SSL routines:ssl3_get_server_certificate:certificate verify failed:\
TLS write fatal alert "certificate expired"Дело в том, что при наличии действительного CRL аннулированный сертификат записывается как "certificate revoked". При истекшем CRL сообщение об ошибке меняется на "certificate expired", которое может ввести в заблуждение.
GnuTLS, в журнале сервера:
- до и после истечения срока действия одинаково:
cannot connect to proxy "proxy-openssl-1.0.1e": TCP successful, cannot establish TLS to [[127.0.0.1]:20004]:\
invalid peer certificate: The certificate is NOT trusted. The certificate chain is revoked.mbed TLS (PolarSSL), в журнале сервера:
- до истечения срока действия:
cannot connect to proxy "proxy-openssl-1.0.1e": TCP successful, cannot establish TLS to [[127.0.0.1]:20004]:\
invalid peer certificate: revoked- после истечения срока действия:
cannot connect to proxy "proxy-openssl-1.0.1e": TCP successful, cannot establish TLS to [[127.0.0.1]:20004]:\
invalid peer certificate: revoked, CRL expiredSelf-signed certificate, unknown CA
OpenSSL, in log:
error:'self signed certificate: SSL_connect() set result code to SSL_ERROR_SSL: file ../ssl/statem/statem_clnt.c\
line 1924: error:1416F086:SSL routines:tls_process_server_certificate:certificate verify failed:\
TLS write fatal alert "unknown CA"'This was observed when server certificate by mistake had the same Issuer and Subject string, although it was signed by CA. Issuer and Subject are equal in top-level CA certificate, but they cannot be equal in server certificate. (The same applies to proxy and agent certificates.)