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C++ PKCS8_pkey_get0函数代码示例

本文整理汇总了C++中PKCS8_pkey_get0函数的典型用法代码示例。如果您正苦于以下问题：C++ PKCS8_pkey_get0函数的具体用法？C++ PKCS8_pkey_get0怎么用？C++ PKCS8_pkey_get0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PKCS8_pkey_get0函数的15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，您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: eckey_priv_decode

static int eckey_priv_decode(EVP_PKEY *pkey, const PKCS8_PRIV_KEY_INFO *p8)
{
    const unsigned char *p = NULL;
    const void *pval;
    int ptype, pklen;
    EC_KEY *eckey = NULL;
    const X509_ALGOR *palg;

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

    eckey = eckey_type2param(ptype, pval);

    if (!eckey)
        goto ecliberr;

    /* We have parameters now set private key */
    if (!d2i_ECPrivateKey(&eckey, &p, pklen)) {
        ECerr(EC_F_ECKEY_PRIV_DECODE, EC_R_DECODE_ERROR);
        goto ecerr;
    }

    EVP_PKEY_assign_EC_KEY(pkey, eckey);
    return 1;

 ecliberr:
    ECerr(EC_F_ECKEY_PRIV_DECODE, ERR_R_EC_LIB);
 ecerr:
    EC_KEY_free(eckey);
    return 0;
}
开发者ID:danielctull-forks，项目名称:openssl，代码行数:32，代码来源:ec_ameth.c

示例2: rsa_priv_decode

static int rsa_priv_decode(EVP_PKEY *pkey, PKCS8_PRIV_KEY_INFO *p8)
{
    const unsigned char *p;
    int pklen;
    if (!PKCS8_pkey_get0(NULL, &p, &pklen, NULL, p8))
        return 0;
    return old_rsa_priv_decode(pkey, &p, pklen);
}
开发者ID:Astel，项目名称:openssl，代码行数:8，代码来源:rsa_ameth.c

示例3: 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4: 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5: rsa_priv_decode

static int rsa_priv_decode(EVP_PKEY *pkey, PKCS8_PRIV_KEY_INFO *p8) {
  const uint8_t *p;
  int pklen;
  if (!PKCS8_pkey_get0(NULL, &p, &pklen, NULL, p8)) {
    OPENSSL_PUT_ERROR(EVP, ERR_R_MALLOC_FAILURE);
    return 0;
  }

  RSA *rsa = RSA_private_key_from_bytes(p, pklen);
  if (rsa == NULL) {
    OPENSSL_PUT_ERROR(EVP, ERR_R_RSA_LIB);
    return 0;
  }

  EVP_PKEY_assign_RSA(pkey, rsa);
  return 1;
}
开发者ID:360ground，项目名称:Meda.et，代码行数:17，代码来源:p_rsa_asn1.c

示例6: 

EVP_PKEY *EVP_PKCS82PKEY(PKCS8_PRIV_KEY_INFO *p8)
{
	EVP_PKEY *pkey = NULL;
	ASN1_OBJECT *algoid;
	char obj_tmp[80];

	if (!PKCS8_pkey_get0(&algoid, NULL, NULL, NULL, p8))
		return NULL;

	if (!(pkey = EVP_PKEY_new())) {
		EVPerr(EVP_F_EVP_PKCS82PKEY,ERR_R_MALLOC_FAILURE);
		return NULL;
	}

	if (!EVP_PKEY_set_type(pkey, OBJ_obj2nid(algoid)))
		{
		EVPerr(EVP_F_EVP_PKCS82PKEY, EVP_R_UNSUPPORTED_PRIVATE_KEY_ALGORITHM);
		i2t_ASN1_OBJECT(obj_tmp, 80, algoid);
		ERR_add_error_data(2, "TYPE=", obj_tmp);
		goto error;
		}

	if (pkey->ameth->priv_decode)
		{
		if (!pkey->ameth->priv_decode(pkey, p8))
			{
			EVPerr(EVP_F_EVP_PKCS82PKEY,
					EVP_R_PRIVATE_KEY_DECODE_ERROR);
			goto error;
			}
		}
	else
		{
		EVPerr(EVP_F_EVP_PKCS82PKEY, EVP_R_METHOD_NOT_SUPPORTED);
		goto error;
		}

	return pkey;

	error:
	EVP_PKEY_free (pkey);
	return NULL;
}
开发者ID:AustinWise，项目名称:Netduino-Micro-Framework，代码行数:43，代码来源:evp_pkey.cpp

示例7: rsa_priv_decode

static int rsa_priv_decode(EVP_PKEY *pkey, const PKCS8_PRIV_KEY_INFO *p8)
{
    const unsigned char *p;
    RSA *rsa;
    int pklen;
    const X509_ALGOR *alg;

    if (!PKCS8_pkey_get0(NULL, &p, &pklen, &alg, p8))
        return 0;
    rsa = d2i_RSAPrivateKey(NULL, &p, pklen);
    if (rsa == NULL) {
        RSAerr(RSA_F_RSA_PRIV_DECODE, ERR_R_RSA_LIB);
        return 0;
    }
    if (!rsa_param_decode(rsa, alg)) {
        RSA_free(rsa);
        return 0;
    }
    EVP_PKEY_assign(pkey, pkey->ameth->pkey_id, rsa);
    return 1;
}
开发者ID:Bilibili，项目名称:openssl，代码行数:21，代码来源:rsa_ameth.c

示例8: ecx_priv_decode

static int ecx_priv_decode(EVP_PKEY *pkey, const PKCS8_PRIV_KEY_INFO *p8)
{
    const unsigned char *p;
    int plen;
    ASN1_OCTET_STRING *oct = NULL;
    const X509_ALGOR *palg;
    int rv;

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

    oct = d2i_ASN1_OCTET_STRING(NULL, &p, plen);
    if (oct == NULL) {
        p = NULL;
        plen = 0;
    } else {
        p = ASN1_STRING_get0_data(oct);
        plen = ASN1_STRING_length(oct);
    }

    rv = ecx_key_op(pkey, pkey->ameth->pkey_id, palg, p, plen, KEY_OP_PRIVATE);
    ASN1_OCTET_STRING_free(oct);
    return rv;
}
开发者ID:EiffelSoftware，项目名称:EiffelStudio，代码行数:24，代码来源:ecx_meth.c

示例9: 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10: eckey_priv_decode

static int eckey_priv_decode(EVP_PKEY *pkey, PKCS8_PRIV_KEY_INFO *p8)
	{
	const unsigned char *p = NULL;
	void *pval;
	int ptype, pklen;
	EC_KEY *eckey = NULL;
	X509_ALGOR *palg;

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

	eckey = eckey_type2param(ptype, pval);

	if (!eckey)
		goto ecliberr;

	/* We have parameters now set private key */
	if (!d2i_ECPrivateKey(&eckey, &p, pklen))
		{
		ECerr(EC_F_ECKEY_PRIV_DECODE, EC_R_DECODE_ERROR);
		goto ecerr;
		}

	/* calculate public key (if necessary) */
	if (EC_KEY_get0_public_key(eckey) == NULL)
		{
		const BIGNUM *priv_key;
		const EC_GROUP *group;
		EC_POINT *pub_key;
		/* the public key was not included in the SEC1 private
		 * key => calculate the public key */
		group   = EC_KEY_get0_group(eckey);
		pub_key = EC_POINT_new(group);
		if (pub_key == NULL)
			{
			ECerr(EC_F_ECKEY_PRIV_DECODE, ERR_R_EC_LIB);
			goto ecliberr;
			}
		if (!EC_POINT_copy(pub_key, EC_GROUP_get0_generator(group)))
			{
			EC_POINT_free(pub_key);
			ECerr(EC_F_ECKEY_PRIV_DECODE, ERR_R_EC_LIB);
			goto ecliberr;
			}
		priv_key = EC_KEY_get0_private_key(eckey);
		if (!EC_POINT_mul(group, pub_key, priv_key, NULL, NULL, NULL))
			{
			EC_POINT_free(pub_key);
			ECerr(EC_F_ECKEY_PRIV_DECODE, ERR_R_EC_LIB);
			goto ecliberr;
			}
		if (EC_KEY_set_public_key(eckey, pub_key) == 0)
			{
			EC_POINT_free(pub_key);
			ECerr(EC_F_ECKEY_PRIV_DECODE, ERR_R_EC_LIB);
			goto ecliberr;
			}
		EC_POINT_free(pub_key);
		}

	EVP_PKEY_assign_EC_KEY(pkey, eckey);
	return 1;

	ecliberr:
	ECerr(EC_F_ECKEY_PRIV_DECODE, ERR_R_EC_LIB);
	ecerr:
	if (eckey)
		EC_KEY_free(eckey);
	return 0;
	}
开发者ID:RyunosukeOno，项目名称:rayjack，代码行数:71，代码来源:ec_ameth.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, 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13: 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14: 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15: 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


注：本文中的PKCS8_pkey_get0函数示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台，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。