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C++ d2i_ASN1_INTEGER函数代码示例

原作者: [db:作者] 来自: [db:来源] 收藏 邀请

本文整理汇总了C++中d2i_ASN1_INTEGER函数的典型用法代码示例。如果您正苦于以下问题:C++ d2i_ASN1_INTEGER函数的具体用法?C++ d2i_ASN1_INTEGER怎么用?C++ d2i_ASN1_INTEGER使用的例子?那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。



在下文中一共展示了d2i_ASN1_INTEGER函数的18个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于我们的系统推荐出更棒的C++代码示例。

示例1: dsa_pub_decode

static int dsa_pub_decode(EVP_PKEY *pkey, X509_PUBKEY *pubkey) {
  const uint8_t *p, *pm;
  int pklen, pmlen;
  int ptype;
  void *pval;
  ASN1_STRING *pstr;
  X509_ALGOR *palg;
  ASN1_INTEGER *public_key = NULL;

  DSA *dsa = NULL;

  if (!X509_PUBKEY_get0_param(NULL, &p, &pklen, &palg, pubkey)) {
    return 0;
  }
  X509_ALGOR_get0(NULL, &ptype, &pval, palg);

  if (ptype == V_ASN1_SEQUENCE) {
    pstr = pval;
    pm = pstr->data;
    pmlen = pstr->length;

    dsa = d2i_DSAparams(NULL, &pm, pmlen);
    if (dsa == NULL) {
      OPENSSL_PUT_ERROR(EVP, dsa_pub_decode, EVP_R_DECODE_ERROR);
      goto err;
    }
  } else if (ptype == V_ASN1_NULL || ptype == V_ASN1_UNDEF) {
    dsa = DSA_new();
    if (dsa == NULL) {
      OPENSSL_PUT_ERROR(EVP, dsa_pub_decode, ERR_R_MALLOC_FAILURE);
      goto err;
    }
  } else {
    OPENSSL_PUT_ERROR(EVP, dsa_pub_decode, EVP_R_PARAMETER_ENCODING_ERROR);
    goto err;
  }

  public_key = d2i_ASN1_INTEGER(NULL, &p, pklen);
  if (public_key == NULL) {
    OPENSSL_PUT_ERROR(EVP, dsa_pub_decode, EVP_R_DECODE_ERROR);
    goto err;
  }

  dsa->pub_key = ASN1_INTEGER_to_BN(public_key, NULL);
  if (dsa->pub_key == NULL) {
    OPENSSL_PUT_ERROR(EVP, dsa_pub_decode, EVP_R_BN_DECODE_ERROR);
    goto err;
  }

  ASN1_INTEGER_free(public_key);
  EVP_PKEY_assign_DSA(pkey, dsa);
  return 1;

err:
  ASN1_INTEGER_free(public_key);
  DSA_free(dsa);
  return 0;
}
开发者ID:krunalsoni01,项目名称:src,代码行数:58,代码来源:p_dsa_asn1.c


示例2: dsa_pub_decode

static int dsa_pub_decode(EVP_PKEY *pkey, X509_PUBKEY *pubkey)
{
    const unsigned char *p, *pm;
    int pklen, pmlen;
    int ptype;
    void *pval;
    ASN1_STRING *pstr;
    X509_ALGOR *palg;
    ASN1_INTEGER *public_key = NULL;

    DSA *dsa = NULL;

    if (!X509_PUBKEY_get0_param(NULL, &p, &pklen, &palg, pubkey))
        return 0;
    X509_ALGOR_get0(NULL, &ptype, &pval, palg);

    if (ptype == V_ASN1_SEQUENCE) {
        pstr = pval;
        pm = pstr->data;
        pmlen = pstr->length;

        if (!(dsa = d2i_DSAparams(NULL, &pm, pmlen))) {
            DSAerr(DSA_F_DSA_PUB_DECODE, DSA_R_DECODE_ERROR);
            goto err;
        }

    } else if ((ptype == V_ASN1_NULL) || (ptype == V_ASN1_UNDEF)) {
        if (!(dsa = DSA_new())) {
            DSAerr(DSA_F_DSA_PUB_DECODE, ERR_R_MALLOC_FAILURE);
            goto err;
        }
    } else {
        DSAerr(DSA_F_DSA_PUB_DECODE, DSA_R_PARAMETER_ENCODING_ERROR);
        goto err;
    }

    if (!(public_key = d2i_ASN1_INTEGER(NULL, &p, pklen))) {
        DSAerr(DSA_F_DSA_PUB_DECODE, DSA_R_DECODE_ERROR);
        goto err;
    }

    if (!(dsa->pub_key = ASN1_INTEGER_to_BN(public_key, NULL))) {
        DSAerr(DSA_F_DSA_PUB_DECODE, DSA_R_BN_DECODE_ERROR);
        goto err;
    }

    ASN1_INTEGER_free(public_key);
    EVP_PKEY_assign_DSA(pkey, dsa);
    return 1;

 err:
    if (public_key)
        ASN1_INTEGER_free(public_key);
    if (dsa)
        DSA_free(dsa);
    return 0;

}
开发者ID:neominds,项目名称:iwe194030,代码行数:58,代码来源:dsa_ameth.c


示例3: dh_pub_decode

static int dh_pub_decode(EVP_PKEY *pkey, X509_PUBKEY *pubkey)
	{
	const unsigned char *p, *pm;
	int pklen, pmlen;
	int ptype;
	void *pval;
	ASN1_STRING *pstr;
	X509_ALGOR *palg;
	ASN1_INTEGER *public_key = NULL;

	DH *dh = NULL;

	if (!X509_PUBKEY_get0_param(NULL, &p, &pklen, &palg, pubkey))
		return 0;
	X509_ALGOR_get0(NULL, &ptype, &pval, palg);

	if (ptype != V_ASN1_SEQUENCE)
		{
		DHerr(DH_F_DH_PUB_DECODE, DH_R_PARAMETER_ENCODING_ERROR);
		goto err;
		}

	pstr = pval;	
	pm = pstr->data;
	pmlen = pstr->length;

	if (!(dh = d2i_DHparams(NULL, &pm, pmlen)))
		{
		DHerr(DH_F_DH_PUB_DECODE, DH_R_DECODE_ERROR);
		goto err;
		}

	if (!(public_key=d2i_ASN1_INTEGER(NULL, &p, pklen)))
		{
		DHerr(DH_F_DH_PUB_DECODE, DH_R_DECODE_ERROR);
		goto err;
		}

	/* We have parameters now set public key */
	if (!(dh->pub_key = ASN1_INTEGER_to_BN(public_key, NULL)))
		{
		DHerr(DH_F_DH_PUB_DECODE, DH_R_BN_DECODE_ERROR);
		goto err;
		}

	ASN1_INTEGER_free(public_key);
	EVP_PKEY_assign_DH(pkey, dh);
	return 1;

	err:
	if (public_key)
		ASN1_INTEGER_free(public_key);
	if (dh)
		DH_free(dh);
	return 0;

	}
开发者ID:002301,项目名称:node,代码行数:57,代码来源:dh_ameth.c


示例4: dh_cms_set_peerkey

static int dh_cms_set_peerkey(EVP_PKEY_CTX *pctx,
                              X509_ALGOR *alg, ASN1_BIT_STRING *pubkey)
{
    ASN1_OBJECT *aoid;
    int atype;
    void *aval;
    ASN1_INTEGER *public_key = NULL;
    int rv = 0;
    EVP_PKEY *pkpeer = NULL, *pk = NULL;
    DH *dhpeer = NULL;
    const unsigned char *p;
    int plen;

    X509_ALGOR_get0(&aoid, &atype, &aval, alg);
    if (OBJ_obj2nid(aoid) != NID_dhpublicnumber)
        goto err;
    /* Only absent parameters allowed in RFC XXXX */
    if (atype != V_ASN1_UNDEF && atype == V_ASN1_NULL)
        goto err;

    pk = EVP_PKEY_CTX_get0_pkey(pctx);
    if (!pk)
        goto err;
    if (pk->type != EVP_PKEY_DHX)
        goto err;
    /* Get parameters from parent key */
    dhpeer = DHparams_dup(pk->pkey.dh);
    /* We have parameters now set public key */
    plen = ASN1_STRING_length(pubkey);
    p = ASN1_STRING_data(pubkey);
    if (!p || !plen)
        goto err;

    if ((public_key = d2i_ASN1_INTEGER(NULL, &p, plen)) == NULL) {
        DHerr(DH_F_DH_CMS_SET_PEERKEY, DH_R_DECODE_ERROR);
        goto err;
    }

    /* We have parameters now set public key */
    if ((dhpeer->pub_key = ASN1_INTEGER_to_BN(public_key, NULL)) == NULL) {
        DHerr(DH_F_DH_CMS_SET_PEERKEY, DH_R_BN_DECODE_ERROR);
        goto err;
    }

    pkpeer = EVP_PKEY_new();
    if (pkpeer == NULL)
        goto err;
    EVP_PKEY_assign(pkpeer, pk->ameth->pkey_id, dhpeer);
    dhpeer = NULL;
    if (EVP_PKEY_derive_set_peer(pctx, pkpeer) > 0)
        rv = 1;
 err:
    ASN1_INTEGER_free(public_key);
    EVP_PKEY_free(pkpeer);
    DH_free(dhpeer);
    return rv;
}
开发者ID:AndreV84,项目名称:openssl,代码行数:57,代码来源:dh_ameth.c


示例5: dh_priv_decode

static int dh_priv_decode (EVP_PKEY * pkey, PKCS8_PRIV_KEY_INFO * p8)
{
    const unsigned char *p, *pm;

    int pklen, pmlen;

    int ptype;

    void *pval;

    ASN1_STRING *pstr;

    X509_ALGOR *palg;

    ASN1_INTEGER *privkey = NULL;

    DH *dh = NULL;

    if (!PKCS8_pkey_get0 (NULL, &p, &pklen, &palg, p8))
        return 0;

    X509_ALGOR_get0 (NULL, &ptype, &pval, palg);

    if (ptype != V_ASN1_SEQUENCE)
        goto decerr;

    if (!(privkey = d2i_ASN1_INTEGER (NULL, &p, pklen)))
        goto decerr;


    pstr = pval;
    pm = pstr->data;
    pmlen = pstr->length;
    if (!(dh = d2i_DHparams (NULL, &pm, pmlen)))
        goto decerr;
    /* We have parameters now set private key */
    if (!(dh->priv_key = ASN1_INTEGER_to_BN (privkey, NULL)))
    {
        DHerr (DH_F_DH_PRIV_DECODE, DH_R_BN_ERROR);
        goto dherr;
    }
    /* Calculate public key */
    if (!DH_generate_key (dh))
        goto dherr;

    EVP_PKEY_assign_DH (pkey, dh);

    ASN1_INTEGER_free (privkey);

    return 1;

  decerr:
    DHerr (DH_F_DH_PRIV_DECODE, EVP_R_DECODE_ERROR);
  dherr:
    DH_free (dh);
    return 0;
}
开发者ID:274914765,项目名称:C,代码行数:57,代码来源:dh_ameth.c


示例6: ASN1_TYPE_get_int_octetstring

/* int max_len:  for returned value    */
int
ASN1_TYPE_get_int_octetstring(ASN1_TYPE *a, long *num, unsigned char *data,
    int max_len)
{
	int ret = -1, n;
	ASN1_INTEGER *ai = NULL;
	ASN1_OCTET_STRING *os = NULL;
	const unsigned char *p;
	long length;
	ASN1_const_CTX c;

	if ((a->type != V_ASN1_SEQUENCE) || (a->value.sequence == NULL)) {
		goto err;
	}
	p = M_ASN1_STRING_data(a->value.sequence);
	length = M_ASN1_STRING_length(a->value.sequence);

	c.pp = &p;
	c.p = p;
	c.max = p + length;
	c.error = ASN1_R_DATA_IS_WRONG;

	M_ASN1_D2I_start_sequence();
	c.q = c.p;
	if ((ai = d2i_ASN1_INTEGER(NULL, &c.p, c.slen)) == NULL)
		goto err;
	c.slen -= (c.p - c.q);
	c.q = c.p;
	if ((os = d2i_ASN1_OCTET_STRING(NULL, &c.p, c.slen)) == NULL)
		goto err;
	c.slen -= (c.p - c.q);
	if (!M_ASN1_D2I_end_sequence())
		goto err;

	if (num != NULL)
		*num = ASN1_INTEGER_get(ai);

	ret = M_ASN1_STRING_length(os);
	if (max_len > ret)
		n = ret;
	else
		n = max_len;

	if (data != NULL)
		memcpy(data, M_ASN1_STRING_data(os), n);
	if (0) {
err:
		ASN1err(ASN1_F_ASN1_TYPE_GET_INT_OCTETSTRING,
		    ASN1_R_DATA_IS_WRONG);
	}
	if (os != NULL)
		M_ASN1_OCTET_STRING_free(os);
	if (ai != NULL)
		M_ASN1_INTEGER_free(ai);
	return (ret);
}
开发者ID:DiamondLovesYou,项目名称:libressl-pnacl-sys,代码行数:57,代码来源:evp_asn1.c


示例7: priv_decode_gost

/* ------------------ private key functions  -----------------------------*/
static int priv_decode_gost( EVP_PKEY *pk, PKCS8_PRIV_KEY_INFO *p8inf) 
	{
	const unsigned char *pkey_buf = NULL,*p=NULL;
	int priv_len = 0;
	BIGNUM *pk_num=NULL;
	int ret =0;
	X509_ALGOR *palg =NULL;
	ASN1_OBJECT *palg_obj = NULL;
	ASN1_INTEGER *priv_key=NULL;

	if (!PKCS8_pkey_get0(&palg_obj,&pkey_buf,&priv_len,&palg,p8inf)) 
		return 0;
	p = pkey_buf;
	if (!decode_gost_algor_params(pk,palg)) 
		{
		return 0;
		}
	if (V_ASN1_OCTET_STRING == *p) 
		{
		/* New format - Little endian octet string */
		unsigned char rev_buf[32];
		int i;
		ASN1_OCTET_STRING *s = d2i_ASN1_OCTET_STRING(NULL,&p,priv_len);
		if (!s||s->length !=32) 
			{
			GOSTerr(GOST_F_PRIV_DECODE_GOST,
				EVP_R_DECODE_ERROR);
			return 0;	
			}
		for (i=0;i<32;i++)
			{
			rev_buf[31-i]=s->data[i];
			}
		ASN1_STRING_free(s);
		pk_num = getbnfrombuf(rev_buf,32);
		} 
	else
		{
		priv_key=d2i_ASN1_INTEGER(NULL,&p,priv_len);
		if (!priv_key) return 0;
		ret= ((pk_num =  ASN1_INTEGER_to_BN(priv_key, NULL))!=NULL) ;
		ASN1_INTEGER_free(priv_key);
		if (!ret)
			{
			GOSTerr(GOST_F_PRIV_DECODE_GOST,
				EVP_R_DECODE_ERROR);
			return 0;	
			}
		}

	ret= gost_set_priv_key(pk,pk_num);
	BN_free(pk_num);
	return ret;
	}
开发者ID:0culus,项目名称:openssl,代码行数:55,代码来源:gost_ameth.c


示例8: decode_int

static VALUE
decode_int(unsigned char* der, int length)
{
    ASN1_INTEGER *ai;
    const unsigned char *p;
    VALUE ret;
    int status = 0;

    p = der;
    if(!(ai = d2i_ASN1_INTEGER(NULL, &p, length)))
	ossl_raise(eASN1Error, NULL);
    ret = rb_protect((VALUE(*)_((VALUE)))asn1integer_to_num,
		     (VALUE)ai, &status);
    ASN1_INTEGER_free(ai);
    if(status) rb_jump_tag(status);

    return ret;
}
开发者ID:DocPsy,项目名称:MacRuby,代码行数:18,代码来源:ossl_asn1.c


示例9: STACK_OF

EVP_PKEY *EVP_PKCS82PKEY (PKCS8_PRIV_KEY_INFO *p8)
{
	EVP_PKEY *pkey = NULL;
#ifndef NO_RSA
	RSA *rsa = NULL;
#endif
#ifndef NO_DSA
	DSA *dsa = NULL;
	ASN1_INTEGER *privkey;
	ASN1_TYPE *t1, *t2, *param = NULL;
	STACK_OF(ASN1_TYPE) *ndsa = NULL;
	BN_CTX *ctx = NULL;
	int plen;
#endif
	X509_ALGOR *a;
	unsigned char *p;
	int pkeylen;
	char obj_tmp[80];

	if(p8->pkey->type == V_ASN1_OCTET_STRING) {
		p8->broken = PKCS8_OK;
		p = p8->pkey->value.octet_string->data;
		pkeylen = p8->pkey->value.octet_string->length;
	} else {
		p8->broken = PKCS8_NO_OCTET;
		p = p8->pkey->value.sequence->data;
		pkeylen = p8->pkey->value.sequence->length;
	}
	if (!(pkey = EVP_PKEY_new())) {
		EVPerr(EVP_F_EVP_PKCS82PKEY,ERR_R_MALLOC_FAILURE);
		return NULL;
	}
	a = p8->pkeyalg;
	switch (OBJ_obj2nid(a->algorithm))
	{
#ifndef NO_RSA
		case NID_rsaEncryption:
		if (!(rsa = d2i_RSAPrivateKey (NULL, &p, pkeylen))) {
			EVPerr(EVP_F_EVP_PKCS82PKEY, EVP_R_DECODE_ERROR);
			return NULL;
		}
		EVP_PKEY_assign_RSA (pkey, rsa);
		break;
#endif
#ifndef NO_DSA
		case NID_dsa:
		/* PKCS#8 DSA is weird: you just get a private key integer
	         * and parameters in the AlgorithmIdentifier the pubkey must
		 * be recalculated.
		 */
	
		/* Check for broken DSA PKCS#8, UGH! */
		if(*p == (V_ASN1_SEQUENCE|V_ASN1_CONSTRUCTED)) {
		    if(!(ndsa = ASN1_seq_unpack_ASN1_TYPE(p, pkeylen, 
							  d2i_ASN1_TYPE,
							  ASN1_TYPE_free))) {
			EVPerr(EVP_F_EVP_PKCS82PKEY, EVP_R_DECODE_ERROR);
			goto dsaerr;
		    }
		    if(sk_ASN1_TYPE_num(ndsa) != 2 ) {
			EVPerr(EVP_F_EVP_PKCS82PKEY, EVP_R_DECODE_ERROR);
			goto dsaerr;
		    }
		    /* Handle Two broken types:
		     * SEQUENCE {parameters, priv_key}
		     * SEQUENCE {pub_key, priv_key}
		     */

		    t1 = sk_ASN1_TYPE_value(ndsa, 0);
		    t2 = sk_ASN1_TYPE_value(ndsa, 1);
		    if(t1->type == V_ASN1_SEQUENCE) {
			p8->broken = PKCS8_EMBEDDED_PARAM;
			param = t1;
		    } else if(a->parameter->type == V_ASN1_SEQUENCE) {
			p8->broken = PKCS8_NS_DB;
			param = a->parameter;
		    } else {
			EVPerr(EVP_F_EVP_PKCS82PKEY, EVP_R_DECODE_ERROR);
			goto dsaerr;
		    }

		    if(t2->type != V_ASN1_INTEGER) {
			EVPerr(EVP_F_EVP_PKCS82PKEY, EVP_R_DECODE_ERROR);
			goto dsaerr;
		    }
		    privkey = t2->value.integer;
		} else {
			if (!(privkey=d2i_ASN1_INTEGER (NULL, &p, pkeylen))) {
				EVPerr(EVP_F_EVP_PKCS82PKEY, EVP_R_DECODE_ERROR);
				goto dsaerr;
			}
			param = p8->pkeyalg->parameter;
		}
		if (!param || (param->type != V_ASN1_SEQUENCE)) {
			EVPerr(EVP_F_EVP_PKCS82PKEY, EVP_R_DECODE_ERROR);
			goto dsaerr;
		}
		p = param->value.sequence->data;
		plen = param->value.sequence->length;
		if (!(dsa = d2i_DSAparams (NULL, &p, plen))) {
//.........这里部分代码省略.........
开发者ID:jhbsz,项目名称:actiontec_opensource_mi424wr-rev-acd-56-0-10-14-4,代码行数:101,代码来源:evp_pkey.c


示例10: asn1_parse2


//.........这里部分代码省略.........
                         * not printable => print octet string as hex dump
                         */
                    {
                        if (BIO_write(bp, "[HEX DUMP]:", 11) <= 0)
                            goto end;
                        for (i = 0; i < os->length; i++) {
                            if (BIO_printf(bp, "%02X", opp[i]) <= 0)
                                goto end;
                        }
                    } else
                        /* print the normal dump */
                    {
                        if (!nl) {
                            if (BIO_write(bp, "\n", 1) <= 0)
                                goto end;
                        }
                        if (BIO_dump_indent(bp,
                                            (const char *)opp,
                                            ((dump == -1 || dump >
                                              os->
                                              length) ? os->length : dump),
                                            dump_indent) <= 0)
                            goto end;
                        nl = 1;
                    }
                }
                ASN1_OCTET_STRING_free(os);
                os = NULL;
            } else if (tag == V_ASN1_INTEGER) {
                ASN1_INTEGER *bs;
                int i;

                opp = op;
                bs = d2i_ASN1_INTEGER(NULL, &opp, len + hl);
                if (bs != NULL) {
                    if (BIO_write(bp, ":", 1) <= 0)
                        goto end;
                    if (bs->type == V_ASN1_NEG_INTEGER)
                        if (BIO_write(bp, "-", 1) <= 0)
                            goto end;
                    for (i = 0; i < bs->length; i++) {
                        if (BIO_printf(bp, "%02X", bs->data[i]) <= 0)
                            goto end;
                    }
                    if (bs->length == 0) {
                        if (BIO_write(bp, "00", 2) <= 0)
                            goto end;
                    }
                } else {
                    if (BIO_puts(bp, ":BAD INTEGER") <= 0)
                        goto end;
                    dump_cont = 1;
                }
                ASN1_INTEGER_free(bs);
            } else if (tag == V_ASN1_ENUMERATED) {
                ASN1_ENUMERATED *bs;
                int i;

                opp = op;
                bs = d2i_ASN1_ENUMERATED(NULL, &opp, len + hl);
                if (bs != NULL) {
                    if (BIO_write(bp, ":", 1) <= 0)
                        goto end;
                    if (bs->type == V_ASN1_NEG_ENUMERATED)
                        if (BIO_write(bp, "-", 1) <= 0)
                            goto end;
开发者ID:2007750219,项目名称:openssl,代码行数:67,代码来源:asn1_par.c


示例11: dsa_priv_decode

static int dsa_priv_decode(EVP_PKEY *pkey, PKCS8_PRIV_KEY_INFO *p8) {
  const uint8_t *p, *pm;
  int pklen, pmlen;
  int ptype;
  void *pval;
  ASN1_STRING *pstr;
  X509_ALGOR *palg;
  ASN1_INTEGER *privkey = NULL;
  BN_CTX *ctx = NULL;

  /* In PKCS#8 DSA: you just get a private key integer and parameters in the
   * AlgorithmIdentifier the pubkey must be recalculated. */

  STACK_OF(ASN1_TYPE) *ndsa = NULL;
  DSA *dsa = NULL;

  if (!PKCS8_pkey_get0(NULL, &p, &pklen, &palg, p8)) {
    return 0;
  }
  X509_ALGOR_get0(NULL, &ptype, &pval, palg);

  /* Check for broken DSA PKCS#8, UGH! */
  if (*p == (V_ASN1_SEQUENCE | V_ASN1_CONSTRUCTED)) {
    ASN1_TYPE *t1, *t2;
    ndsa = d2i_ASN1_SEQUENCE_ANY(NULL, &p, pklen);
    if (ndsa == NULL) {
      goto decerr;
    }
    if (sk_ASN1_TYPE_num(ndsa) != 2) {
      goto decerr;
    }

    /* Handle Two broken types:
     * SEQUENCE {parameters, priv_key}
     * SEQUENCE {pub_key, priv_key}. */

    t1 = sk_ASN1_TYPE_value(ndsa, 0);
    t2 = sk_ASN1_TYPE_value(ndsa, 1);
    if (t1->type == V_ASN1_SEQUENCE) {
      p8->broken = PKCS8_EMBEDDED_PARAM;
      pval = t1->value.ptr;
    } else if (ptype == V_ASN1_SEQUENCE) {
      p8->broken = PKCS8_NS_DB;
    } else {
      goto decerr;
    }

    if (t2->type != V_ASN1_INTEGER) {
      goto decerr;
    }

    privkey = t2->value.integer;
  } else {
    const uint8_t *q = p;
    privkey = d2i_ASN1_INTEGER(NULL, &p, pklen);
    if (privkey == NULL) {
      goto decerr;
    }
    if (privkey->type == V_ASN1_NEG_INTEGER) {
      p8->broken = PKCS8_NEG_PRIVKEY;
      ASN1_INTEGER_free(privkey);
      privkey = d2i_ASN1_UINTEGER(NULL, &q, pklen);
      if (privkey == NULL) {
        goto decerr;
      }
    }
    if (ptype != V_ASN1_SEQUENCE) {
      goto decerr;
    }
  }

  pstr = pval;
  pm = pstr->data;
  pmlen = pstr->length;
  dsa = d2i_DSAparams(NULL, &pm, pmlen);
  if (dsa == NULL) {
    goto decerr;
  }
  /* We have parameters. Now set private key */
  dsa->priv_key = ASN1_INTEGER_to_BN(privkey, NULL);
  if (dsa->priv_key == NULL) {
    OPENSSL_PUT_ERROR(EVP, ERR_LIB_BN);
    goto dsaerr;
  }
  /* Calculate public key. */
  dsa->pub_key = BN_new();
  if (dsa->pub_key == NULL) {
    OPENSSL_PUT_ERROR(EVP, ERR_R_MALLOC_FAILURE);
    goto dsaerr;
  }
  ctx = BN_CTX_new();
  if (ctx == NULL) {
    OPENSSL_PUT_ERROR(EVP, ERR_R_MALLOC_FAILURE);
    goto dsaerr;
  }

  if (!BN_mod_exp(dsa->pub_key, dsa->g, dsa->priv_key, dsa->p, ctx)) {
    OPENSSL_PUT_ERROR(EVP, ERR_LIB_BN);
    goto dsaerr;
  }
//.........这里部分代码省略.........
开发者ID:bheesham,项目名称:boringssl,代码行数:101,代码来源:p_dsa_asn1.c


示例12: dsa_priv_decode

static int dsa_priv_decode(EVP_PKEY *pkey, PKCS8_PRIV_KEY_INFO *p8) {
  const uint8_t *p, *pm;
  int pklen, pmlen;
  int ptype;
  void *pval;
  ASN1_STRING *pstr;
  X509_ALGOR *palg;
  ASN1_INTEGER *privkey = NULL;
  BN_CTX *ctx = NULL;

  /* In PKCS#8 DSA: you just get a private key integer and parameters in the
   * AlgorithmIdentifier the pubkey must be recalculated. */

  DSA *dsa = NULL;

  if (!PKCS8_pkey_get0(NULL, &p, &pklen, &palg, p8)) {
    return 0;
  }
  privkey = d2i_ASN1_INTEGER(NULL, &p, pklen);
  if (privkey == NULL || privkey->type == V_ASN1_NEG_INTEGER) {
    goto decerr;
  }

  X509_ALGOR_get0(NULL, &ptype, &pval, palg);
  if (ptype != V_ASN1_SEQUENCE) {
    goto decerr;
  }
  pstr = pval;
  pm = pstr->data;
  pmlen = pstr->length;
  dsa = d2i_DSAparams(NULL, &pm, pmlen);
  if (dsa == NULL) {
    goto decerr;
  }
  /* We have parameters. Now set private key */
  dsa->priv_key = ASN1_INTEGER_to_BN(privkey, NULL);
  if (dsa->priv_key == NULL) {
    OPENSSL_PUT_ERROR(EVP, ERR_LIB_BN);
    goto dsaerr;
  }
  /* Calculate public key. */
  dsa->pub_key = BN_new();
  if (dsa->pub_key == NULL) {
    OPENSSL_PUT_ERROR(EVP, ERR_R_MALLOC_FAILURE);
    goto dsaerr;
  }
  ctx = BN_CTX_new();
  if (ctx == NULL) {
    OPENSSL_PUT_ERROR(EVP, ERR_R_MALLOC_FAILURE);
    goto dsaerr;
  }

  if (!BN_mod_exp(dsa->pub_key, dsa->g, dsa->priv_key, dsa->p, ctx)) {
    OPENSSL_PUT_ERROR(EVP, ERR_LIB_BN);
    goto dsaerr;
  }

  EVP_PKEY_assign_DSA(pkey, dsa);
  BN_CTX_free(ctx);
  ASN1_INTEGER_free(privkey);

  return 1;

decerr:
  OPENSSL_PUT_ERROR(EVP, EVP_R_DECODE_ERROR);

dsaerr:
  BN_CTX_free(ctx);
  ASN1_INTEGER_free(privkey);
  DSA_free(dsa);
  return 0;
}
开发者ID:Crawping,项目名称:chromium_extract,代码行数:72,代码来源:p_dsa_asn1.c


示例13: dsa_priv_decode

static int dsa_priv_decode(EVP_PKEY *pkey, PKCS8_PRIV_KEY_INFO *p8)
{
    const unsigned char *p, *pm;
    int pklen, pmlen;
    int ptype;
    void *pval;
    ASN1_STRING *pstr;
    X509_ALGOR *palg;
    ASN1_INTEGER *privkey = NULL;
    BN_CTX *ctx = NULL;

    STACK_OF(ASN1_TYPE) *ndsa = NULL;
    DSA *dsa = NULL;

    if (!PKCS8_pkey_get0(NULL, &p, &pklen, &palg, p8))
        return 0;
    X509_ALGOR_get0(NULL, &ptype, &pval, palg);

    /* Check for broken DSA PKCS#8, UGH! */
    if (*p == (V_ASN1_SEQUENCE|V_ASN1_CONSTRUCTED))
    {
        ASN1_TYPE *t1, *t2;
        if(!(ndsa = d2i_ASN1_SEQUENCE_ANY(NULL, &p, pklen)))
            goto decerr;
        if (sk_ASN1_TYPE_num(ndsa) != 2)
            goto decerr;
        /* Handle Two broken types:
        	 * SEQUENCE {parameters, priv_key}
         * SEQUENCE {pub_key, priv_key}
         */

        t1 = sk_ASN1_TYPE_value(ndsa, 0);
        t2 = sk_ASN1_TYPE_value(ndsa, 1);
        if (t1->type == V_ASN1_SEQUENCE)
        {
            p8->broken = PKCS8_EMBEDDED_PARAM;
            pval = t1->value.ptr;
        }
        else if (ptype == V_ASN1_SEQUENCE)
            p8->broken = PKCS8_NS_DB;
        else
            goto decerr;

        if (t2->type != V_ASN1_INTEGER)
            goto decerr;

        privkey = t2->value.integer;
    }
    else
    {
        const unsigned char *q = p;
        if (!(privkey=d2i_ASN1_INTEGER(NULL, &p, pklen)))
            goto decerr;
        if (privkey->type == V_ASN1_NEG_INTEGER)
        {
            p8->broken = PKCS8_NEG_PRIVKEY;
            ASN1_INTEGER_free(privkey);
            if (!(privkey=d2i_ASN1_UINTEGER(NULL, &q, pklen)))
                goto decerr;
        }
        if (ptype != V_ASN1_SEQUENCE)
            goto decerr;
    }

    pstr = pval;
    pm = pstr->data;
    pmlen = pstr->length;
    if (!(dsa = d2i_DSAparams(NULL, &pm, pmlen)))
        goto decerr;
    /* We have parameters now set private key */
    if (!(dsa->priv_key = ASN1_INTEGER_to_BN(privkey, NULL)))
    {
        DSAerr(DSA_F_DSA_PRIV_DECODE,DSA_R_BN_ERROR);
        goto dsaerr;
    }
    /* Calculate public key */
    if (!(dsa->pub_key = BN_new()))
    {
        DSAerr(DSA_F_DSA_PRIV_DECODE, ERR_R_MALLOC_FAILURE);
        goto dsaerr;
    }
    if (!(ctx = BN_CTX_new()))
    {
        DSAerr(DSA_F_DSA_PRIV_DECODE, ERR_R_MALLOC_FAILURE);
        goto dsaerr;
    }

    if (!BN_mod_exp(dsa->pub_key, dsa->g, dsa->priv_key, dsa->p, ctx))
    {
        DSAerr(DSA_F_DSA_PRIV_DECODE,DSA_R_BN_ERROR);
        goto dsaerr;
    }

    EVP_PKEY_assign_DSA(pkey, dsa);
    BN_CTX_free (ctx);
    if(ndsa)
        sk_ASN1_TYPE_pop_free(ndsa, ASN1_TYPE_free);
    else
        ASN1_INTEGER_free(privkey);

//.........这里部分代码省略.........
开发者ID:Ashod,项目名称:openssl,代码行数:101,代码来源:dsa_ameth.c


示例14: asn1_parse2


//.........这里部分代码省略.........
						}
					if (printable && (os->length > 0))
						{
						if (BIO_write(bp,":",1) <= 0)
							goto end;
						if (BIO_write(bp,(char *)opp,
							os->length) <= 0)
							goto end;
						}
					if (!printable && (os->length > 0)
						&& dump)
						{
						if (!nl) 
							{
							if (BIO_write(bp,"\n",1) <= 0)
								goto end;
							}
						if (BIO_dump_indent(bp,(char *)opp,
							((dump == -1 || dump > os->length)?os->length:dump),
							dump_indent) <= 0)
							goto end;
						nl=1;
						}
					M_ASN1_OCTET_STRING_free(os);
					os=NULL;
					}
				}
			else if (tag == V_ASN1_INTEGER)
				{
				ASN1_INTEGER *bs;
				int i;

				opp=op;
				bs=d2i_ASN1_INTEGER(NULL,&opp,len+hl);
				if (bs != NULL)
					{
					if (BIO_write(bp,":",1) <= 0) goto end;
					if (bs->type == V_ASN1_NEG_INTEGER)
						if (BIO_write(bp,"-",1) <= 0)
							goto end;
					for (i=0; i<bs->length; i++)
						{
						if (BIO_printf(bp,"%02X",
							bs->data[i]) <= 0)
							goto end;
						}
					if (bs->length == 0)
						{
						if (BIO_write(bp,"00",2) <= 0)
							goto end;
						}
					}
				else
					{
					if (BIO_write(bp,"BAD INTEGER",11) <= 0)
						goto end;
					}
				M_ASN1_INTEGER_free(bs);
				}
			else if (tag == V_ASN1_ENUMERATED)
				{
				ASN1_ENUMERATED *bs;
				int i;

				opp=op;
				bs=d2i_ASN1_ENUMERATED(NULL,&opp,len+hl);
开发者ID:FelipeFernandes1988,项目名称:Alice-1121-Modem,代码行数:67,代码来源:asn1_par.c


示例15: priv_decode_gost01

static int
priv_decode_gost01(EVP_PKEY *pk, PKCS8_PRIV_KEY_INFO *p8inf)
{
	const unsigned char *pkey_buf = NULL, *p = NULL;
	int priv_len = 0;
	BIGNUM *pk_num = NULL;
	int ret = 0;
	X509_ALGOR *palg = NULL;
	ASN1_OBJECT *palg_obj = NULL;
	ASN1_INTEGER *priv_key = NULL;
	GOST_KEY *ec;
	int ptype = V_ASN1_UNDEF;
	ASN1_STRING *pval = NULL;

	if (PKCS8_pkey_get0(&palg_obj, &pkey_buf, &priv_len, &palg, p8inf) == 0)
		return 0;
	(void)EVP_PKEY_assign_GOST(pk, NULL);
	X509_ALGOR_get0(NULL, &ptype, (void **)&pval, palg);
	if (ptype != V_ASN1_SEQUENCE) {
		GOSTerr(GOST_F_PUB_DECODE_GOST01,
		    GOST_R_BAD_KEY_PARAMETERS_FORMAT);
		return 0;
	}
	p = pval->data;
	if (decode_gost01_algor_params(pk, &p, pval->length) == 0)
		return 0;
	p = pkey_buf;
	if (V_ASN1_OCTET_STRING == *p) {
		/* New format - Little endian octet string */
		unsigned char rev_buf[32];
		int i;
		ASN1_OCTET_STRING *s =
		    d2i_ASN1_OCTET_STRING(NULL, &p, priv_len);

		if (s == NULL || s->length != 32) {
			GOSTerr(GOST_F_PRIV_DECODE_GOST01, EVP_R_DECODE_ERROR);
			ASN1_STRING_free(s);
			return 0;
		}
		for (i = 0; i < 32; i++) {
			rev_buf[31 - i] = s->data[i];
		}
		ASN1_STRING_free(s);
		pk_num = BN_bin2bn(rev_buf, 32, NULL);
	} else {
		priv_key = d2i_ASN1_INTEGER(NULL, &p, priv_len);
		if (priv_key == NULL)
			return 0;
		ret = ((pk_num = ASN1_INTEGER_to_BN(priv_key, NULL)) != NULL);
		ASN1_INTEGER_free(priv_key);
		if (ret == 0) {
			GOSTerr(GOST_F_PRIV_DECODE_GOST01, EVP_R_DECODE_ERROR);
			return 0;
		}
	}

	ec = pk->pkey.gost;
	if (ec == NULL) {
		ec = GOST_KEY_new();
		if (ec == NULL) {
			BN_free(pk_num);
			return 0;
		}
		if (EVP_PKEY_assign_GOST(pk, ec) == 0) {
			BN_free(pk_num);
			GOST_KEY_free(ec);
			return 0;
		}
	}
	if (GOST_KEY_set_private_key(ec, pk_num) == 0) {
		BN_free(pk_num);
		return 0;
	}
	ret = 0;
	if (EVP_PKEY_missing_parameters(pk) == 0)
		ret = gost2001_compute_public(ec) != 0;
	BN_free(pk_num);

	return ret;
}
开发者ID:ajinkya93,项目名称:OpenBSD,代码行数:80,代码来源:gostr341001_ameth.c


示例16: priv_decode_gost

static int priv_decode_gost(EVP_PKEY *pk, PKCS8_PRIV_KEY_INFO *p8inf)
{
    const unsigned char *pkey_buf = NULL, *p = NULL;
    int priv_len = 0;
    BIGNUM *pk_num = NULL;
    int ret = 0;
    X509_ALGOR *palg = NULL;
    ASN1_OBJECT *palg_obj = NULL;
    ASN1_INTEGER *priv_key = NULL;
    int expected_key_len = 32;

    if (!PKCS8_pkey_get0(&palg_obj, &pkey_buf, &priv_len, &palg, p8inf))
        return 0;
    p = pkey_buf;
    if (!decode_gost_algor_params(pk, palg)) {
        return 0;
    }

    expected_key_len = pkey_bits_gost(pk) > 0 ? pkey_bits_gost(pk) / 8 : 0;
    if (expected_key_len == 0) {
        GOSTerr(GOST_F_PRIV_DECODE_GOST, EVP_R_DECODE_ERROR);
        return 0;
    }

    if (priv_len % expected_key_len == 0) {
        /* Key is not wrapped but masked */
        pk_num = unmask_priv_key(pk, pkey_buf, expected_key_len,
                                 priv_len / expected_key_len - 1);
    } else if (V_ASN1_OCTET_STRING == *p) {
        /* New format - Little endian octet string */
        ASN1_OCTET_STRING *s = d2i_ASN1_OCTET_STRING(NULL, &p, priv_len);
        if (!s || ((s->length != 32) && (s->length != 64))) {
            ASN1_STRING_free(s);
            GOSTerr(GOST_F_PRIV_DECODE_GOST, EVP_R_DECODE_ERROR);
            return 0;
        }
        pk_num = hashsum2bn(s->data, s->length);
        ASN1_STRING_free(s);
    } else if (V_ASN1_INTEGER == *p) {
        priv_key = d2i_ASN1_INTEGER(NULL, &p, priv_len);
        if (!priv_key) {
            GOSTerr(GOST_F_PRIV_DECODE_GOST, EVP_R_DECODE_ERROR);
            return 0;
        }
        pk_num = ASN1_INTEGER_to_BN(priv_key, NULL);
        ASN1_INTEGER_free(priv_key);
    } else if ((V_ASN1_SEQUENCE | V_ASN1_CONSTRUCTED) == *p) {
        MASKED_GOST_KEY *mgk = NULL;
        mgk = d2i_MASKED_GOST_KEY(NULL, &p, priv_len);

        if (!mgk) {
            GOSTerr(GOST_F_PRIV_DECODE_GOST, EVP_R_DECODE_ERROR);
            return 0;
        }

        priv_len = mgk->masked_priv_key->length;
        if (priv_len % expected_key_len) {
            MASKED_GOST_KEY_free(mgk);
            GOSTerr(GOST_F_PRIV_DECODE_GOST, EVP_R_DECODE_ERROR);
            return 0;
        }

        pk_num = unmask_priv_key(pk, mgk->masked_priv_key->data,
                                 expected_key_len,
                                 priv_len / expected_key_len - 1);
        MASKED_GOST_KEY_free(mgk);
    } else {
        GOSTerr(GOST_F_PRIV_DECODE_GOST, EVP_R_DECODE_ERROR);
        return 0;
    }

    if (pk_num == NULL) {
        GOSTerr(GOST_F_PRIV_DECODE_GOST, EVP_R_DECODE_ERROR);
        return 0;
    }

    ret = gost_set_priv_key(pk, pk_num);
    BN_free(pk_num);
    return ret;
}
开发者ID:andbortnik,项目名称:engine,代码行数:80,代码来源:gost_ameth.c


示例17: dsa_priv_decode

static int dsa_priv_decode(EVP_PKEY *pkey, const PKCS8_PRIV_KEY_INFO *p8)
{
    const unsigned char *p, *pm;
    int pklen, pmlen;
    int ptype;
    const void *pval;
    const ASN1_STRING *pstr;
    const X509_ALGOR *palg;
    ASN1_INTEGER *privkey = NULL;
    BN_CTX *ctx = NULL;

    DSA *dsa = NULL;

    int ret = 0;

    if (!PKCS8_pkey_get0(NULL, &p, &pklen, &palg, p8))
        return 0;
    X509_ALGOR_get0(NULL, &ptype, &pval, palg);

    if ((privkey = d2i_ASN1_INTEGER(NULL, &p, pklen)) == NULL)
        goto decerr;
    if (privkey->type == V_ASN1_NEG_INTEGER || ptype != V_ASN1_SEQUENCE)
        goto decerr;

    pstr = pval;
    pm = pstr->data;
    pmlen = pstr->length;
    if ((dsa = d2i_DSAparams(NULL, &pm, pmlen)) == NULL)
        goto decerr;
    /* We have parameters now set private key */
    if ((dsa->priv_key = BN_secure_new()) == NULL
        || !ASN1_INTEGER_to_BN(privkey, dsa->priv_key)) {
        DSAerr(DSA_F_DSA_PRIV_DECODE, DSA_R_BN_ERROR);
        goto dsaerr;
    }
    /* Calculate public key */
    if ((dsa->pub_key = BN_new()) == NULL) {
        DSAerr(DSA_F_DSA_PRIV_DECODE, ERR_R_MALLOC_FAILURE);
        goto dsaerr;
    }
    if ((ctx = BN_CTX_new()) == NULL) {
        DSAerr(DSA_F_DSA_PRIV_DECODE, ERR_R_MALLOC_FAILURE);
        goto dsaerr;
    }

    BN_set_flags(dsa->priv_key, BN_FLG_CONSTTIME);
    if (!BN_mod_exp(dsa->pub_key, dsa->g, dsa->priv_key, dsa->p, ctx)) {
        DSAerr(DSA_F_DSA_PRIV_DECODE, DSA_R_BN_ERROR);
        goto dsaerr;
    }

    EVP_PKEY_assign_DSA(pkey, dsa);

    ret = 1;
    goto done;

 decerr:
    DSAerr(DSA_F_DSA_PRIV_DECODE, DSA_R_DECODE_ERROR);
 dsaerr:
    DSA_free(dsa);
 done:
    BN_CTX_free(ctx);
    ASN1_STRING_clear_free(privkey);
    return ret;
}
开发者ID:akamai,项目名称:openssl,代码行数:65,代码来源:dsa_ameth.c


示例18: STACK_OF

EVP_PKEY *EVP_PKCS82PKEY(PKCS8_PRIV_KEY_INFO *p8)
{
  EVP_PKEY *pkey = NULL;
#ifndef OPENSSL_NO_RSA
  RSA *rsa = NULL;
#endif
#ifndef OPENSSL_NO_DSA
  DSA *dsa = NULL;
  ASN1_TYPE *t1, *t2;
  ASN1_INTEGER *privkey;
  STACK_OF(ASN1_TYPE) *ndsa = NULL;
#endif
#ifndef OPENSSL_NO_EC
  EC_KEY *eckey = NULL;
  const unsigned char *p_tmp;
#endif
#if !defined(OPENSSL_NO_DSA) || !defined(OPENSSL_NO_EC)
  ASN1_TYPE    *param = NULL;  
  BN_CTX *ctx = NULL;
  int plen;
#endif
  X509_ALGOR *a;
  const unsigned char *p;
  const unsigned char *cp;
  int pkeylen;
  int  nid;
  char obj_tmp[80];

  if(p8->pkey->type == V_ASN1_OCTET_STRING) {
    p8->broken = PKCS8_OK;
    p = p8->pkey->value.octet_string->data;
    pkeylen = p8->pkey->value.octet_string->length;
  } else {
    p8->broken = PKCS8_NO_OCTET;
    p = p8->pkey->value.sequence->data;
    pkeylen = p8->pkey->value.sequence->length;
  }
  if (!(pkey = EVP_PKEY_new())) {
    EVPerr(EVP_F_EVP_PKCS82PKEY,ERR_R_MALLOC_FAILURE);
    return NULL;
  }
  a = p8->pkeyalg;
  nid = OBJ_obj2nid(a->algorithm);
  switch(nid)
  {
#ifndef OPENSSL_NO_RSA
    case NID_rsaEncryption:
    cp = p;
    if (!(rsa = d2i_RSAPrivateKey (NULL,&cp, pkeylen))) {
      EVPerr(EVP_F_EVP_PKCS82PKEY, EVP_R_DECODE_ERROR);
      return NULL;
    }
    EVP_PKEY_assign_RSA (pkey, rsa);
    break;
#endif
#ifndef OPENSSL_NO_DSA
    case NID_dsa:
    /* PKCS#8 DSA is weird: you just get a private key integer
           * and parameters in the AlgorithmIdentifier the pubkey must
     * be recalculated.
     */
  
    /* Check for broken DSA PKCS#8, UGH! */
    if(*p == (V_ASN1_SEQUENCE|V_ASN1_CONSTRUCTED)) {
        if(!(ndsa = ASN1_seq_unpack_ASN1_TYPE(p, pkeylen, 
                d2i_ASN1_TYPE,
                ASN1_TYPE_free))) {
      EVPerr(EVP_F_EVP_PKCS82PKEY, EVP_R_DECODE_ERROR);
      goto dsaerr;
        }
        if(sk_ASN1_TYPE_num(ndsa) != 2 ) {
      EVPerr(EVP_F_EVP_PKCS82PKEY, EVP_R_DECODE_ERROR);
      goto dsaerr;
        }
        /* Handle Two broken types:
         * SEQUENCE {parameters, priv_key}
         * SEQUENCE {pub_key, priv_key}
         */

        t1 = sk_ASN1_TYPE_value(ndsa, 0);
        t2 = sk_ASN1_TYPE_value(ndsa, 1);
        if(t1->type == V_ASN1_SEQUENCE) {
      p8->broken = PKCS8_EMBEDDED_PARAM;
      param = t1;
        } else if(a->parameter->type == V_ASN1_SEQUENCE) {
      p8->broken = PKCS8_NS_DB;
      param = a->parameter;
        } else {
      EVPerr(EVP_F_EVP_PKCS82PKEY, EVP_R_DECODE_ERROR);
      goto dsaerr;
        }

        if(t2->type != V_ASN1_INTEGER) {
      EVPerr(EVP_F_EVP_PKCS82PKEY, EVP_R_DECODE_ERROR);
      goto dsaerr;
        }
        privkey = t2->value.integer;
    } else {
      if (!(privkey=d2i_ASN1_INTEGER (NULL, &p, pkeylen))) {
        EVPerr(EVP_F_EVP_PKCS82PKEY, EVP_R_DECODE_ERROR);
//.........这里部分代码省略.........
开发者ID:yyyyyao,项目名称:Slicer3-lib-mirrors,代码行数:101,代码来源:evp_pkey.c



注:本文中的d2i_ASN1_INTEGER函数示例由纯净天空整理自Github/MSDocs等源码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。


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C++ d2i_DSAparams函数代码示例发布时间:2022-05-30
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