cryptoservices/certificateandkeymgmt/testcertificates/openssl/readme.txt
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Thu, 10 Sep 2009 14:01:51 +0300
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The oscpResponder.pl script requires the ocsp responder to support DSA
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the following patch can be applied to openssl 0.9.7b or 0.9.7c:
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--- openssl-0.9.7b.ORIG/apps/ocsp.c	2003-03-26 02:47:06.000000000 +0200
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+++ openssl-0.9.7b/apps/ocsp.c	2004-02-22 16:11:18.000000000 +0200
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@@ -1115,7 +1115,16 @@
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 	OCSP_copy_nonce(bs, req);
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-	OCSP_basic_sign(bs, rcert, rkey, EVP_sha1(), rother, flags);
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+	{
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+		/*in case of DSA keys we should use EVP_dss1()*/
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+		const EVP_MD *evp_md;
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+		/*
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+		 * - EVP_dss1 only or can be EVP_dss for some DSA keys ?
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+		 * - should we use method EVP_PKEY_type() ?
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+		 */
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+		evp_md = (rkey->type == EVP_PKEY_DSA) ? EVP_dss1() : EVP_sha1();
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+		OCSP_basic_sign(bs, rcert, rkey, evp_md, rother, flags);
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+	}
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 	*resp = OCSP_response_create(OCSP_RESPONSE_STATUS_SUCCESSFUL, bs);
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