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C++ DSA_SIG_free函数代码示例

本文整理汇总了C++中DSA_SIG_free函数的典型用法代码示例。如果您正苦于以下问题：C++ DSA_SIG_free函数的具体用法？C++ DSA_SIG_free怎么用？C++ DSA_SIG_free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DSA_SIG_free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: surewarehk_dsa_do_sign

/* DSA sign and verify */
static	DSA_SIG * surewarehk_dsa_do_sign(const unsigned char *from, int flen, DSA *dsa)
{
	int ret=0;
	char *hptr=NULL;
	DSA_SIG *psign=NULL;
	char msg[64]="ENGINE_dsa_do_sign";
	if (!p_surewarehk_Dsa_Sign)
	{
		SUREWAREerr(SUREWARE_F_SUREWAREHK_DSA_DO_SIGN,ENGINE_R_NOT_INITIALISED);
		goto err;
	}
	/* extract ref to private key */
	else if (!(hptr=DSA_get_ex_data(dsa, dsaHndidx)))
	{
		SUREWAREerr(SUREWARE_F_SUREWAREHK_DSA_DO_SIGN,SUREWARE_R_MISSING_KEY_COMPONENTS);
		goto err;
	}
	else
	{
		if((psign = DSA_SIG_new()) == NULL)
		{
			SUREWAREerr(SUREWARE_F_SUREWAREHK_DSA_DO_SIGN,ERR_R_MALLOC_FAILURE);
			goto err;
		}
		psign->r=BN_new();
		psign->s=BN_new();
		bn_expand2(psign->r, 20/sizeof(BN_ULONG));
		bn_expand2(psign->s, 20/sizeof(BN_ULONG));
		if (!psign->r || psign->r->dmax!=20/sizeof(BN_ULONG) ||
			!psign->s || psign->s->dmax!=20/sizeof(BN_ULONG))
			goto err;
		ret=p_surewarehk_Dsa_Sign(msg,flen,from,
					  (unsigned long *)psign->r->d,
					  (unsigned long *)psign->s->d,
					  hptr);
		surewarehk_error_handling(msg,SUREWARE_F_SUREWAREHK_DSA_DO_SIGN,ret);
	}
	psign->r->top=20/sizeof(BN_ULONG);
	bn_fix_top(psign->r);
	psign->s->top=20/sizeof(BN_ULONG);
	bn_fix_top(psign->s);

err:	
	if (psign)
	{
		DSA_SIG_free(psign);
		psign=NULL;
	}
	return psign;
}
开发者ID:serhatkiyak，项目名称:OpenSSL_TFO，代码行数:51，代码来源:e_sureware.c

示例2: DSA_verify

/* returns
 *      1: correct signature
 *      0: incorrect signature
 *     -1: error
 */
int DSA_verify(int type, const unsigned char *dgst, int dgst_len,
	     const unsigned char *sigbuf, int siglen, DSA *dsa)
	{
	DSA_SIG *s;
	int ret=-1;

	s = DSA_SIG_new();
	if (s == NULL) return(ret);
	if (d2i_DSA_SIG(&s,&sigbuf,siglen) == NULL) goto err;
	ret=DSA_do_verify(dgst,dgst_len,s,dsa);
err:
	DSA_SIG_free(s);
	return(ret);
	}
开发者ID:LucidOne，项目名称:Rovio，代码行数:19，代码来源:dsa_vrf.c

示例3: pkey_gost94_cp_verify

static int pkey_gost94_cp_verify(EVP_PKEY_CTX *ctx, const unsigned char *sig,
                                 size_t siglen, const unsigned char *tbs,
                                 size_t tbs_len)
{
    int ok = 0;
    EVP_PKEY *pub_key = EVP_PKEY_CTX_get0_pkey(ctx);
    DSA_SIG *s = unpack_cp_signature(sig, siglen);
    if (!s)
        return 0;
    if (pub_key)
        ok = gost_do_verify(tbs, tbs_len, s, EVP_PKEY_get0(pub_key));
    DSA_SIG_free(s);
    return ok;
}
开发者ID:4872866，项目名称:node，代码行数:14，代码来源:gost_pmeth.c

示例4: ops_dsa_verify

ops_boolean_t ops_dsa_verify(const unsigned char *hash,size_t hash_length,
			     const ops_dsa_signature_t *sig,
			     const ops_dsa_public_key_t *dsa)
    {
    DSA_SIG *osig;
    DSA *odsa;
    int ret;

    osig=DSA_SIG_new();
    osig->r=sig->r;
    osig->s=sig->s;

    odsa=DSA_new();
    odsa->p=dsa->p;
    odsa->q=dsa->q;
    odsa->g=dsa->g;
    odsa->pub_key=dsa->y;

    if (debug)
        {
        fprintf(stderr,"hash passed in:\n");
        unsigned i;
        for (i=0; i<hash_length; i++)
            {
            fprintf(stderr,"%02x ", hash[i]);
            }
        fprintf(stderr,"\n");
        }
    //printf("hash_length=%ld\n", hash_length);
    //printf("Q=%d\n", BN_num_bytes(odsa->q));
    unsigned int qlen=BN_num_bytes(odsa->q);
    if (qlen < hash_length)
        hash_length=qlen;
    //    ret=DSA_do_verify(hash,hash_length,osig,odsa);
    ret=DSA_do_verify(hash,hash_length,osig,odsa);
    if (debug)
        {
        fprintf(stderr,"ret=%d\n",ret);
        }
    assert(ret >= 0);

    odsa->p=odsa->q=odsa->g=odsa->pub_key=NULL;
    DSA_free(odsa);
 
    osig->r=osig->s=NULL;
    DSA_SIG_free(osig);

    return ret != 0;
    }
开发者ID:agl，项目名称:OpenPGP-SDK，代码行数:49，代码来源:openssl_crypto.c

示例5: xmlSecOpenSSLDsaSha1EvpSign

static int
xmlSecOpenSSLDsaSha1EvpSign(int type ATTRIBUTE_UNUSED,
                        const unsigned char *dgst, unsigned int dlen,
                        unsigned char *sig, unsigned int *siglen, void *dsa) {
    DSA_SIG *s;
    int rSize, sSize;

    s = DSA_do_sign(dgst, dlen, dsa);
    if(s == NULL) {
        *siglen=0;
        return(0);
    }

    rSize = BN_num_bytes(s->r);
    sSize = BN_num_bytes(s->s);
    if((rSize > (XMLSEC_OPENSSL_DSA_SIGNATURE_SIZE / 2)) ||
       (sSize > (XMLSEC_OPENSSL_DSA_SIGNATURE_SIZE / 2))) {

        xmlSecError(XMLSEC_ERRORS_HERE,
                    NULL,
                    NULL,
                    XMLSEC_ERRORS_R_INVALID_SIZE,
                    "size(r)=%d or size(s)=%d > %d",
                    rSize, sSize, XMLSEC_OPENSSL_DSA_SIGNATURE_SIZE / 2);
        DSA_SIG_free(s);
        return(0);
    }

    memset(sig, 0, XMLSEC_OPENSSL_DSA_SIGNATURE_SIZE);
    BN_bn2bin(s->r, sig + (XMLSEC_OPENSSL_DSA_SIGNATURE_SIZE / 2) - rSize);
    BN_bn2bin(s->s, sig + XMLSEC_OPENSSL_DSA_SIGNATURE_SIZE - sSize);
    *siglen = XMLSEC_OPENSSL_DSA_SIGNATURE_SIZE;

    DSA_SIG_free(s);
    return(1);
}
开发者ID:paracycle，项目名称:xmlsec-shim，代码行数:36，代码来源:signatures.c

示例6: DSA_sign

int DSA_sign(int type, const unsigned char *dgst, int dlen, unsigned char *sig,
	     unsigned int *siglen, DSA *dsa)
	{
	DSA_SIG *s;
	RAND_seed(dgst, dlen);
	s=DSA_do_sign(dgst,dlen,dsa);
	if (s == NULL)
		{
		*siglen=0;
		return(0);
		}
	*siglen=i2d_DSA_SIG(s,&sig);
	DSA_SIG_free(s);
	return(1);
	}
开发者ID:AustinWise，项目名称:Netduino-Micro-Framework，代码行数:15，代码来源:dsa_sign.cpp

示例7: HsOpenSSL_dsa_verify

int HsOpenSSL_dsa_verify(DSA *dsa, const unsigned char *ddata, int dlen,
                         const BIGNUM *r, const BIGNUM *s) {
#if OPENSSL_VERSION_NUMBER >= 0x10100000L
  DSA_SIG* sig = DSA_SIG_new();
  DSA_SIG_set0(sig, BN_dup(r), BN_dup(s));
  int res = DSA_do_verify(ddata, dlen, sig, dsa);
  DSA_SIG_free(sig);
  return res;
#else
  DSA_SIG sig;
  sig.r = (BIGNUM *)r;
  sig.s = (BIGNUM *)s;
  return dsa->meth->dsa_do_verify(ddata, dlen, &sig, dsa);
#endif
}
开发者ID:SX91，项目名称:HsOpenSSL，代码行数:15，代码来源:HsOpenSSL.c

示例8: DSA_SIG_new

DSA_SIG *DSA_SIG_parse(CBS *cbs) {
  DSA_SIG *ret = DSA_SIG_new();
  if (ret == NULL) {
    return NULL;
  }
  CBS child;
  if (!CBS_get_asn1(cbs, &child, CBS_ASN1_SEQUENCE) ||
      !parse_integer(&child, &ret->r) ||
      !parse_integer(&child, &ret->s) ||
      CBS_len(&child) != 0) {
    OPENSSL_PUT_ERROR(DSA, DSA_R_DECODE_ERROR);
    DSA_SIG_free(ret);
    return NULL;
  }
  return ret;
}
开发者ID:Cyril2004，项目名称:proto-quic，代码行数:16，代码来源:dsa_asn1.c

示例9: pgpFreeSigDSA

static void pgpFreeSigDSA(pgpDigAlg pgpsig)
{
    struct pgpDigSigDSA_s *sig = pgpsig->data;
    if (sig) {
        if (sig->dsa_sig) {
            DSA_SIG_free(sig->dsa_sig);
        } else {
            /* If sig->dsa_sig was constructed,
             * the memory management of these BNs
             * are freed with it. */
            BN_clear_free(sig->r);
            BN_clear_free(sig->s);
        }
        free(pgpsig->data);
    }
}
开发者ID:maxamillion，项目名称:rpm，代码行数:16，代码来源:digest_openssl.c

示例10: CBS_init

DSA_SIG *d2i_DSA_SIG(DSA_SIG **out_sig, const uint8_t **inp, long len) {
  if (len < 0) {
    return NULL;
  }
  CBS cbs;
  CBS_init(&cbs, *inp, (size_t)len);
  DSA_SIG *ret = DSA_SIG_parse(&cbs);
  if (ret == NULL) {
    return NULL;
  }
  if (out_sig != NULL) {
    DSA_SIG_free(*out_sig);
    *out_sig = ret;
  }
  *inp = CBS_data(&cbs);
  return ret;
}
开发者ID:Cyril2004，项目名称:proto-quic，代码行数:17，代码来源:dsa_asn1.c

示例11: check_license_signature

static void check_license_signature(license_raw *lptr)
{
    unsigned char message_digest[SHA_DIGEST_LENGTH];
    SHA_CTX sha_ctx;
    DSA *dsa = DSA_new();

    SHA1_Init(&sha_ctx);
    SHA1_Update(&sha_ctx, lptr, sizeof(*lptr) - sizeof(lptr->dsa_signature));
    SHA1_Final(message_digest, &sha_ctx);

    dsa->p = BN_bin2bn(dsa_p, sizeof(dsa_p), NULL);
    dsa->q = BN_bin2bn(dsa_q, sizeof(dsa_q), NULL);
    dsa->g = BN_bin2bn(dsa_g, sizeof(dsa_g), NULL);
    dsa->pub_key = BN_bin2bn(dsa_pub_key, sizeof(dsa_pub_key), NULL);

  // calculate the right len of the signiture
  DSA_SIG *temp_sig=DSA_SIG_new();
  int siglen = -1;
  const unsigned char *data =lptr->dsa_signature; 
  if (temp_sig == NULL || d2i_DSA_SIG(&temp_sig,&data,sizeof(lptr->dsa_signature)) == NULL){
  	fprintf(stderr, "License signature verification failed: %s\n",
	    ERR_error_string(ERR_get_error(), NULL));
	  exit(EXIT_FAILURE);
  }
  unsigned char *tmp_buff= NULL;
  siglen = i2d_DSA_SIG(temp_sig, &tmp_buff);
  OPENSSL_cleanse(tmp_buff, siglen);
	OPENSSL_free(tmp_buff);
	DSA_SIG_free(temp_sig);

    switch(DSA_verify(0, message_digest, sizeof(message_digest),
        lptr->dsa_signature, siglen, dsa)) {
    case 0:
	fputs("License file is corrupted: invalid DSA signature.\n", stderr);
	exit(EXIT_FAILURE);
    case 1:
	break; /* valid signature */
    default:
	fprintf(stderr, "License signature verification failed: %s\n",
	    ERR_error_string(ERR_get_error(), NULL));
	exit(EXIT_FAILURE);
    }

    DSA_free(dsa);
}
开发者ID:BenceJanosSzabo，项目名称:titan.core，代码行数:45，代码来源:license.c

示例12: dsa_sig_print

static int dsa_sig_print(BIO *bp, const X509_ALGOR *sigalg,
                         const ASN1_STRING *sig,
                         int indent, ASN1_PCTX *pctx)
{
    DSA_SIG *dsa_sig;
    const unsigned char *p;
    if (!sig)
    {
        if (BIO_puts(bp, "\n") <= 0)
            return 0;
        else
            return 1;
    }
    p = sig->data;
    dsa_sig = d2i_DSA_SIG(NULL, &p, sig->length);
    if (dsa_sig)
    {
        int rv = 0;
        size_t buf_len = 0;
        unsigned char *m=NULL;
        update_buflen(dsa_sig->r, &buf_len);
        update_buflen(dsa_sig->s, &buf_len);
        m = OPENSSL_malloc(buf_len+10);
        if (m == NULL)
        {
            DSAerr(DSA_F_DSA_SIG_PRINT,ERR_R_MALLOC_FAILURE);
            goto err;
        }

        if (BIO_write(bp, "\n", 1) != 1)
            goto err;

        if (!ASN1_bn_print(bp,"r:   ",dsa_sig->r,m,indent))
            goto err;
        if (!ASN1_bn_print(bp,"s:   ",dsa_sig->s,m,indent))
            goto err;
        rv = 1;
err:
        if (m)
            OPENSSL_free(m);
        DSA_SIG_free(dsa_sig);
        return rv;
    }
    return X509_signature_dump(bp, sig, indent);
}
开发者ID:Ashod，项目名称:openssl，代码行数:45，代码来源:dsa_ameth.c

示例13: pkey_gost01_cp_verify

static int pkey_gost01_cp_verify(EVP_PKEY_CTX *ctx, const unsigned char *sig,
	size_t siglen, const unsigned char *tbs, size_t tbs_len)
	{
	int ok = 0;
	EVP_PKEY* pub_key = EVP_PKEY_CTX_get0_pkey(ctx);
	DSA_SIG *s=unpack_cp_signature(sig,siglen);
	if (!s) return 0;
#ifdef DEBUG_SIGN	
	fprintf(stderr,"R=");
	BN_print_fp(stderr,s->r);
	fprintf(stderr,"\nS=");
	BN_print_fp(stderr,s->s);
	fprintf(stderr,"\n");
#endif	
	if (pub_key) ok = gost2001_do_verify(tbs,tbs_len,s,EVP_PKEY_get0(pub_key));
	DSA_SIG_free(s);
	return ok;
	}
开发者ID:Chenhx，项目名称:moai-dev，代码行数:18，代码来源:gost_pmeth.c

示例14: pkey_gost01_cp_verify

static int pkey_gost01_cp_verify(EVP_PKEY_CTX *ctx, const unsigned char *sig,
	size_t siglen, const unsigned char *tbs, size_t tbs_len)
	{
	int ok = 0;
	EVP_PKEY* pub_key = EVP_PKEY_CTX_get0_pkey(ctx);
	DSA_SIG *s=unpack_cp_signature(sig,siglen);
	if (!s) return 0;
#ifdef DEBUG_SIGN	
	TINYCLR_SSL_FPRINTF(OPENSSL_TYPE__FILE_STDERR,"R=");
	BN_print_fp(OPENSSL_TYPE__FILE_STDERR,s->r);
	TINYCLR_SSL_FPRINTF(OPENSSL_TYPE__FILE_STDERR,"\nS=");
	BN_print_fp(OPENSSL_TYPE__FILE_STDERR,s->s);
	TINYCLR_SSL_FPRINTF(OPENSSL_TYPE__FILE_STDERR,"\n");
#endif	
	if (pub_key) ok = gost2001_do_verify(tbs,tbs_len,s,(EC_KEY*)EVP_PKEY_get0(pub_key));
	DSA_SIG_free(s);
	return ok;
	}
开发者ID:AustinWise，项目名称:Netduino-Micro-Framework，代码行数:18，代码来源:gost_pmeth.cpp

示例15: __ops_dsa_verify

unsigned 
__ops_dsa_verify(const uint8_t *hash, size_t hash_length,
	       const __ops_dsa_sig_t *sig,
	       const __ops_dsa_pubkey_t *dsa)
{
	unsigned	qlen;
	DSA_SIG        *osig;
	DSA            *odsa;
	int             ret;

	osig = DSA_SIG_new();
	osig->r = sig->r;
	osig->s = sig->s;

	odsa = DSA_new();
	odsa->p = dsa->p;
	odsa->q = dsa->q;
	odsa->g = dsa->g;
	odsa->pub_key = dsa->y;

	if (__ops_get_debug_level(__FILE__)) {
		hexdump(stderr, "input hash", hash, hash_length);
		(void) fprintf(stderr, "Q=%d\n", BN_num_bytes(odsa->q));
	}
	if ((qlen = (unsigned)BN_num_bytes(odsa->q)) < hash_length) {
		hash_length = qlen;
	}
	ret = DSA_do_verify(hash, (int)hash_length, osig, odsa);
	if (__ops_get_debug_level(__FILE__)) {
		(void) fprintf(stderr, "ret=%d\n", ret);
	}
	if (ret < 0) {
		(void) fprintf(stderr, "__ops_dsa_verify: DSA verification\n");
		return 0;
	}

	odsa->p = odsa->q = odsa->g = odsa->pub_key = NULL;
	DSA_free(odsa);

	osig->r = osig->s = NULL;
	DSA_SIG_free(osig);

	return (unsigned)ret;
}
开发者ID:Mynigma，项目名称:MCryptoLib，代码行数:44，代码来源:openssl_crypto.c


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