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    /* $OpenBSD: x_algor.c,v 1.21 2015/07/24 15:09:52 jsing Exp $ */  | 
    
    
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    /* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL  | 
    
    
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     * project 2000.  | 
    
    
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     */  | 
    
    
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    /* ====================================================================  | 
    
    
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     * Copyright (c) 2000 The OpenSSL Project.  All rights reserved.  | 
    
    
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     *  | 
    
    
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     * Redistribution and use in source and binary forms, with or without  | 
    
    
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     * modification, are permitted provided that the following conditions  | 
    
    
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     * are met:  | 
    
    
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     *  | 
    
    
    12  | 
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     * 1. Redistributions of source code must retain the above copyright  | 
    
    
    13  | 
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     *    notice, this list of conditions and the following disclaimer.  | 
    
    
    14  | 
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     *  | 
    
    
    15  | 
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     * 2. Redistributions in binary form must reproduce the above copyright  | 
    
    
    16  | 
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     *    notice, this list of conditions and the following disclaimer in  | 
    
    
    17  | 
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     *    the documentation and/or other materials provided with the  | 
    
    
    18  | 
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     *    distribution.  | 
    
    
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     *  | 
    
    
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     * 3. All advertising materials mentioning features or use of this  | 
    
    
    21  | 
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     *    software must display the following acknowledgment:  | 
    
    
    22  | 
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     *    "This product includes software developed by the OpenSSL Project  | 
    
    
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     *    for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"  | 
    
    
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     *  | 
    
    
    25  | 
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     * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to  | 
    
    
    26  | 
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     *    endorse or promote products derived from this software without  | 
    
    
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     *    prior written permission. For written permission, please contact  | 
    
    
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     *    licensing@OpenSSL.org.  | 
    
    
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     *  | 
    
    
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     * 5. Products derived from this software may not be called "OpenSSL"  | 
    
    
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     *    nor may "OpenSSL" appear in their names without prior written  | 
    
    
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     *    permission of the OpenSSL Project.  | 
    
    
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     *  | 
    
    
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     * 6. Redistributions of any form whatsoever must retain the following  | 
    
    
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     *    acknowledgment:  | 
    
    
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     *    "This product includes software developed by the OpenSSL Project  | 
    
    
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     *    for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"  | 
    
    
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     *  | 
    
    
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     * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY  | 
    
    
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     * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE  | 
    
    
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     * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR  | 
    
    
    42  | 
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     * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR  | 
    
    
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     * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,  | 
    
    
    44  | 
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     * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT  | 
    
    
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     * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;  | 
    
    
    46  | 
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     * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)  | 
    
    
    47  | 
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     * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,  | 
    
    
    48  | 
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     * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)  | 
    
    
    49  | 
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     * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED  | 
    
    
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     * OF THE POSSIBILITY OF SUCH DAMAGE.  | 
    
    
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     * ====================================================================  | 
    
    
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     *  | 
    
    
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     * This product includes cryptographic software written by Eric Young  | 
    
    
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     * (eay@cryptsoft.com).  This product includes software written by Tim  | 
    
    
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     * Hudson (tjh@cryptsoft.com).  | 
    
    
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     *  | 
    
    
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     */  | 
    
    
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    #include <stddef.h>  | 
    
    
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    #include <openssl/x509.h>  | 
    
    
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    #include <openssl/asn1.h>  | 
    
    
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    #include <openssl/asn1t.h>  | 
    
    
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    static const ASN1_TEMPLATE X509_ALGOR_seq_tt[] = { | 
    
    
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    	{ | 
    
    
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    		.offset = offsetof(X509_ALGOR, algorithm),  | 
    
    
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    		.field_name = "algorithm",  | 
    
    
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    		.item = &ASN1_OBJECT_it,  | 
    
    
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    	},  | 
    
    
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    	{ | 
    
    
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    		.flags = ASN1_TFLG_OPTIONAL,  | 
    
    
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    		.offset = offsetof(X509_ALGOR, parameter),  | 
    
    
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    		.field_name = "parameter",  | 
    
    
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    		.item = &ASN1_ANY_it,  | 
    
    
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    	},  | 
    
    
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    };  | 
    
    
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    const ASN1_ITEM X509_ALGOR_it = { | 
    
    
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    	.itype = ASN1_ITYPE_SEQUENCE,  | 
    
    
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    	.utype = V_ASN1_SEQUENCE,  | 
    
    
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    	.templates = X509_ALGOR_seq_tt,  | 
    
    
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    	.tcount = sizeof(X509_ALGOR_seq_tt) / sizeof(ASN1_TEMPLATE),  | 
    
    
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    	.size = sizeof(X509_ALGOR),  | 
    
    
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    	.sname = "X509_ALGOR",  | 
    
    
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    };  | 
    
    
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    static const ASN1_TEMPLATE X509_ALGORS_item_tt = { | 
    
    
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    	.flags = ASN1_TFLG_SEQUENCE_OF,  | 
    
    
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    	.tag = 0,  | 
    
    
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    	.offset = 0,  | 
    
    
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    	.field_name = "algorithms",  | 
    
    
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    	.item = &X509_ALGOR_it,  | 
    
    
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    };  | 
    
    
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    const ASN1_ITEM X509_ALGORS_it = { | 
    
    
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    	.itype = ASN1_ITYPE_PRIMITIVE,  | 
    
    
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    	.utype = -1,  | 
    
    
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    	.templates = &X509_ALGORS_item_tt,  | 
    
    
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    	.tcount = 0,  | 
    
    
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    	.funcs = NULL,  | 
    
    
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    	.size = 0,  | 
    
    
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    	.sname = "X509_ALGORS",  | 
    
    
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    };  | 
    
    
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    X509_ALGOR *  | 
    
    
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    d2i_X509_ALGOR(X509_ALGOR **a, const unsigned char **in, long len)  | 
    
    
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    { | 
    
    
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    	return (X509_ALGOR *)ASN1_item_d2i((ASN1_VALUE **)a, in, len,  | 
    
    
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    	    &X509_ALGOR_it);  | 
    
    
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    }  | 
    
    
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    int  | 
    
    
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    i2d_X509_ALGOR(X509_ALGOR *a, unsigned char **out)  | 
    
    
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    { | 
    
    
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    	return ASN1_item_i2d((ASN1_VALUE *)a, out, &X509_ALGOR_it);  | 
    
    
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    }  | 
    
    
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    X509_ALGOR *  | 
    
    
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    X509_ALGOR_new(void)  | 
    
    
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    { | 
    
    
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    	return (X509_ALGOR *)ASN1_item_new(&X509_ALGOR_it);  | 
    
    
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    }  | 
    
    
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    void  | 
    
    
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    X509_ALGOR_free(X509_ALGOR *a)  | 
    
    
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    { | 
    
    
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    	ASN1_item_free((ASN1_VALUE *)a, &X509_ALGOR_it);  | 
    
    
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    }  | 
    
    
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    X509_ALGORS *  | 
    
    
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    d2i_X509_ALGORS(X509_ALGORS **a, const unsigned char **in, long len)  | 
    
    
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    { | 
    
    
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    	return (X509_ALGORS *)ASN1_item_d2i((ASN1_VALUE **)a, in, len,  | 
    
    
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    	    &X509_ALGORS_it);  | 
    
    
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    }  | 
    
    
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    int  | 
    
    
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    i2d_X509_ALGORS(X509_ALGORS *a, unsigned char **out)  | 
    
    
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    { | 
    
    
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    	return ASN1_item_i2d((ASN1_VALUE *)a, out, &X509_ALGORS_it);  | 
    
    
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    }  | 
    
    
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    X509_ALGOR *  | 
    
    
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    X509_ALGOR_dup(X509_ALGOR *x)  | 
    
    
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    { | 
    
    
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    	return ASN1_item_dup(&X509_ALGOR_it, x);  | 
    
    
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    }  | 
    
    
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    int  | 
    
    
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    X509_ALGOR_set0(X509_ALGOR *alg, ASN1_OBJECT *aobj, int ptype, void *pval)  | 
    
    
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    { | 
    
    
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    ✗✓ | 
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    	if (!alg)  | 
    
    
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    		return 0;  | 
    
    
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    ✓✓ | 
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    	if (ptype != V_ASN1_UNDEF) { | 
    
    
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    ✓✓ | 
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    		if (alg->parameter == NULL)  | 
    
    
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    			alg->parameter = ASN1_TYPE_new();  | 
    
    
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    		if (alg->parameter == NULL)  | 
    
    
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    			return 0;  | 
    
    
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    	}  | 
    
    
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    ✓✗ | 
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    	if (alg) { | 
    
    
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    		if (alg->algorithm)  | 
    
    
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    			ASN1_OBJECT_free(alg->algorithm);  | 
    
    
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    		alg->algorithm = aobj;  | 
    
    
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    	}  | 
    
    
    166  | 
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    	if (ptype == 0)  | 
    
    
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    		return 1;  | 
    
    
    168  | 
    ✓✓ | 
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    	if (ptype == V_ASN1_UNDEF) { | 
    
    
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    		if (alg->parameter) { | 
    
    
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    			ASN1_TYPE_free(alg->parameter);  | 
    
    
    171  | 
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    			alg->parameter = NULL;  | 
    
    
    172  | 
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    		}  | 
    
    
    173  | 
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    	} else  | 
    
    
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    		ASN1_TYPE_set(alg->parameter, ptype, pval);  | 
    
    
    175  | 
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    	return 1;  | 
    
    
    176  | 
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    }  | 
    
    
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    void  | 
    
    
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    X509_ALGOR_get0(ASN1_OBJECT **paobj, int *pptype, void **ppval,  | 
    
    
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        X509_ALGOR *algor)  | 
    
    
    181  | 
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    { | 
    
    
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    ✗✓ | 
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    	if (paobj)  | 
    
    
    183  | 
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    		*paobj = algor->algorithm;  | 
    
    
    184  | 
    ✓✗ | 
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    	if (pptype) { | 
    
    
    185  | 
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    		if (algor->parameter == NULL) { | 
    
    
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    			*pptype = V_ASN1_UNDEF;  | 
    
    
    187  | 
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    			return;  | 
    
    
    188  | 
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    		} else  | 
    
    
    189  | 
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    			*pptype = algor->parameter->type;  | 
    
    
    190  | 
    ✓✗ | 
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    		if (ppval)  | 
    
    
    191  | 
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    			*ppval = algor->parameter->value.ptr;  | 
    
    
    192  | 
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    	}  | 
    
    
    193  | 
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    }  | 
    
    
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    /* Set up an X509_ALGOR DigestAlgorithmIdentifier from an EVP_MD */  | 
    
    
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    197  | 
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    void  | 
    
    
    198  | 
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    X509_ALGOR_set_md(X509_ALGOR *alg, const EVP_MD *md)  | 
    
    
    199  | 
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    { | 
    
    
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    	int param_type;  | 
    
    
    201  | 
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    202  | 
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    	if (md->flags & EVP_MD_FLAG_DIGALGID_ABSENT)  | 
    
    
    203  | 
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    		param_type = V_ASN1_UNDEF;  | 
    
    
    204  | 
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    	else  | 
    
    
    205  | 
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    		param_type = V_ASN1_NULL;  | 
    
    
    206  | 
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    	X509_ALGOR_set0(alg, OBJ_nid2obj(EVP_MD_type(md)), param_type, NULL);  | 
    
    
    208  | 
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    }  | 
    
    
    209  | 
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    210  | 
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    /* Returns 0 if they are equal, != 0 otherwise. */  | 
    
    
    211  | 
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    int  | 
    
    
    212  | 
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    X509_ALGOR_cmp(const X509_ALGOR *a, const X509_ALGOR *b)  | 
    
    
    213  | 
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    { | 
    
    
    214  | 
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    2668  | 
    	int rv = OBJ_cmp(a->algorithm, b->algorithm);  | 
    
    
    215  | 
    ✓✗ | 
    1334  | 
    	if (!rv) { | 
    
    
    216  | 
    ✗✓✗✗
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    1334  | 
    		if (!a->parameter && !b->parameter)  | 
    
    
    217  | 
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    			rv = 0;  | 
    
    
    218  | 
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    		else  | 
    
    
    219  | 
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    1334  | 
    			rv = ASN1_TYPE_cmp(a->parameter, b->parameter);  | 
    
    
    220  | 
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    	}  | 
    
    
    221  | 
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    1334  | 
    	return(rv);  | 
    
    
    222  | 
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    }  |