C++ PEM_def_callback函数代码示例

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本文整理汇总了C++中PEM_def_callback函数的典型用法代码示例。如果您正苦于以下问题：C++ PEM_def_callback函数的具体用法？C++ PEM_def_callback怎么用？C++ PEM_def_callback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PEM_def_callback函数的16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: ossl_pem_passwd_cb

int
ossl_pem_passwd_cb(char *buf, int max_len, int flag, void *pwd)
{
    int len, status = 0;
    VALUE rflag, pass;
    
    if (pwd || !rb_block_given_p())
	return PEM_def_callback(buf, max_len, flag, pwd);

    while (1) {
	/*
	 * when the flag is nonzero, this passphrase
	 * will be used to perform encryption; otherwise it will
	 * be used to perform decryption.
	 */
	rflag = flag ? Qtrue : Qfalse;
	pass  = rb_protect(ossl_pem_passwd_cb0, rflag, &status);
	if (status) return -1; /* exception was raised. */
	len = RSTRING_LEN(pass);
	if (len < 4) { /* 4 is OpenSSL hardcoded limit */
	    rb_warning("password must be longer than 4 bytes");
	    continue;
	}
	if (len > max_len) {
	    rb_warning("password must be shorter then %d bytes", max_len-1);
	    continue;
	}
	memcpy(buf, RSTRING_PTR(pass), len);
	break;
    }
    return len;
}

开发者ID:genki，项目名称:ruby，代码行数:32，代码来源:ossl.c

示例2: PEM_do_header

int PEM_do_header(EVP_CIPHER_INFO *cipher, unsigned char *data, long *plen,
                  pem_password_cb *callback, void *u)
{
    int ok;
    int keylen;
    long len = *plen;
    int ilen = (int) len;       /* EVP_DecryptUpdate etc. take int lengths */
    EVP_CIPHER_CTX *ctx;
    unsigned char key[EVP_MAX_KEY_LENGTH];
    char buf[PEM_BUFSIZE];

#if LONG_MAX > INT_MAX
    /* Check that we did not truncate the length */
    if (len > INT_MAX) {
        PEMerr(PEM_F_PEM_DO_HEADER, PEM_R_HEADER_TOO_LONG);
        return 0;
    }
#endif

    if (cipher->cipher == NULL)
        return 1;
    if (callback == NULL)
        keylen = PEM_def_callback(buf, PEM_BUFSIZE, 0, u);
    else
        keylen = callback(buf, PEM_BUFSIZE, 0, u);
    if (keylen < 0) {
        PEMerr(PEM_F_PEM_DO_HEADER, PEM_R_BAD_PASSWORD_READ);
        return 0;
    }
#ifdef CHARSET_EBCDIC
    /* Convert the pass phrase from EBCDIC */
    ebcdic2ascii(buf, buf, keylen);
#endif

    if (!EVP_BytesToKey(cipher->cipher, EVP_md5(), &(cipher->iv[0]),
                        (unsigned char *)buf, keylen, 1, key, NULL))
        return 0;

    ctx = EVP_CIPHER_CTX_new();
    if (ctx == NULL)
        return 0;

    ok = EVP_DecryptInit_ex(ctx, cipher->cipher, NULL, key, &(cipher->iv[0]));
    if (ok)
        ok = EVP_DecryptUpdate(ctx, data, &ilen, data, ilen);
    if (ok) {
        /* Squirrel away the length of data decrypted so far. */
        *plen = ilen;
        ok = EVP_DecryptFinal_ex(ctx, &(data[ilen]), &ilen);
    }
    if (ok)
        *plen += ilen;
    else
        PEMerr(PEM_F_PEM_DO_HEADER, PEM_R_BAD_DECRYPT);

    EVP_CIPHER_CTX_free(ctx);
    OPENSSL_cleanse((char *)buf, sizeof(buf));
    OPENSSL_cleanse((char *)key, sizeof(key));
    return ok;
}

开发者ID:Ana06，项目名称:openssl，代码行数:60，代码来源:pem_lib.c

示例3: d2i_PKCS8_bio

EVP_PKEY *d2i_PKCS8PrivateKey_bio(BIO *bp, EVP_PKEY **x, pem_password_cb *cb,
                                  void *u)
{
    PKCS8_PRIV_KEY_INFO *p8inf = NULL;
    X509_SIG *p8 = NULL;
    int klen;
    EVP_PKEY *ret;
    char psbuf[PEM_BUFSIZE];
    p8 = d2i_PKCS8_bio(bp, NULL);
    if (!p8)
        return NULL;
    if (cb)
        klen = cb(psbuf, PEM_BUFSIZE, 0, u);
    else
        klen = PEM_def_callback(psbuf, PEM_BUFSIZE, 0, u);
    if (klen <= 0) {
        PEMerr(PEM_F_D2I_PKCS8PRIVATEKEY_BIO, PEM_R_BAD_PASSWORD_READ);
        X509_SIG_free(p8);
        return NULL;
    }
    p8inf = PKCS8_decrypt(p8, psbuf, klen);
    X509_SIG_free(p8);
    if (!p8inf)
        return NULL;
    ret = EVP_PKCS82PKEY(p8inf);
    PKCS8_PRIV_KEY_INFO_free(p8inf);
    if (!ret)
        return NULL;
    if (x) {
        if (*x)
            EVP_PKEY_free(*x);
        *x = ret;
    }
    return ret;
}

开发者ID:kukushechkin，项目名称:SafeBoardMessenger，代码行数:35，代码来源:pem_pk8.c

示例4: ossl_pem_passwd_cb

int
ossl_pem_passwd_cb(char *buf, int max_len, int flag, void *pwd_)
{
    long len;
    int status;
    VALUE rflag, pass = (VALUE)pwd_;

    if (RTEST(pass)) {
	/* PEM_def_callback(buf, max_len, flag, StringValueCStr(pass)) does not
	 * work because it does not allow NUL characters and truncates to 1024
	 * bytes silently if the input is over 1024 bytes */
	if (RB_TYPE_P(pass, T_STRING)) {
	    len = RSTRING_LEN(pass);
	    if (len <= max_len) {
		memcpy(buf, RSTRING_PTR(pass), len);
		return (int)len;
	    }
	}
	OSSL_Debug("passed data is not valid String???");
	return -1;
    }

    if (!rb_block_given_p()) {
	return PEM_def_callback(buf, max_len, flag, NULL);
    }

    while (1) {
	/*
	 * when the flag is nonzero, this passphrase
	 * will be used to perform encryption; otherwise it will
	 * be used to perform decryption.
	 */
	rflag = flag ? Qtrue : Qfalse;
	pass  = rb_protect(ossl_pem_passwd_cb0, rflag, &status);
	if (status) {
	    /* ignore an exception raised. */
	    rb_set_errinfo(Qnil);
	    return -1;
	}
	if (NIL_P(pass))
	    return -1;
	len = RSTRING_LEN(pass);
	if (len > max_len) {
	    rb_warning("password must not be longer than %d bytes", max_len);
	    continue;
	}
	memcpy(buf, RSTRING_PTR(pass), len);
	break;
    }
    return (int)len;
}

开发者ID:dennyc，项目名称:openssl，代码行数:51，代码来源:ossl.c

示例5: PEM_do_header

int PEM_do_header(EVP_CIPHER_INFO *cipher, unsigned char *data, long *plen,
                  pem_password_cb *callback, void *u)
{
    int i = 0, j, o, klen;
    long len;
    EVP_CIPHER_CTX *ctx;
    unsigned char key[EVP_MAX_KEY_LENGTH];
    char buf[PEM_BUFSIZE];

    len = *plen;

    if (cipher->cipher == NULL)
        return (1);
    if (callback == NULL)
        klen = PEM_def_callback(buf, PEM_BUFSIZE, 0, u);
    else
        klen = callback(buf, PEM_BUFSIZE, 0, u);
    if (klen <= 0) {
        PEMerr(PEM_F_PEM_DO_HEADER, PEM_R_BAD_PASSWORD_READ);
        return (0);
    }
#ifdef CHARSET_EBCDIC
    /* Convert the pass phrase from EBCDIC */
    ebcdic2ascii(buf, buf, klen);
#endif

    if (!EVP_BytesToKey(cipher->cipher, EVP_md5(), &(cipher->iv[0]),
                        (unsigned char *)buf, klen, 1, key, NULL))
        return 0;

    j = (int)len;
    ctx = EVP_CIPHER_CTX_new();
    if (ctx == NULL)
        return 0;
    o = EVP_DecryptInit_ex(ctx, cipher->cipher, NULL, key, &(cipher->iv[0]));
    if (o)
        o = EVP_DecryptUpdate(ctx, data, &i, data, j);
    if (o)
        o = EVP_DecryptFinal_ex(ctx, &(data[i]), &j);
    EVP_CIPHER_CTX_free(ctx);
    OPENSSL_cleanse((char *)buf, sizeof(buf));
    OPENSSL_cleanse((char *)key, sizeof(key));
    if (o)
        j += i;
    else {
        PEMerr(PEM_F_PEM_DO_HEADER, PEM_R_BAD_DECRYPT);
        return (0);
    }
    *plen = j;
    return (1);
}

开发者ID:Dmitry-Me，项目名称:openssl，代码行数:51，代码来源:pem_lib.c

示例6: do_pk8pkey

static int do_pk8pkey(BIO *bp, EVP_PKEY *x, int isder, int nid,
                      const EVP_CIPHER *enc, char *kstr, int klen,
                      pem_password_cb *cb, void *u)
{
    X509_SIG *p8;
    PKCS8_PRIV_KEY_INFO *p8inf;
    char buf[PEM_BUFSIZE];
    int ret;

    if ((p8inf = EVP_PKEY2PKCS8(x)) == NULL) {
        PEMerr(PEM_F_DO_PK8PKEY, PEM_R_ERROR_CONVERTING_PRIVATE_KEY);
        return 0;
    }
    if (enc || (nid != -1)) {
        if (!kstr) {
            if (!cb)
                klen = PEM_def_callback(buf, PEM_BUFSIZE, 1, u);
            else
                klen = cb(buf, PEM_BUFSIZE, 1, u);
            if (klen <= 0) {
                PEMerr(PEM_F_DO_PK8PKEY, PEM_R_READ_KEY);
                PKCS8_PRIV_KEY_INFO_free(p8inf);
                return 0;
            }

            kstr = buf;
        }
        p8 = PKCS8_encrypt(nid, enc, kstr, klen, NULL, 0, 0, p8inf);
        if (kstr == buf)
            OPENSSL_cleanse(buf, klen);
        PKCS8_PRIV_KEY_INFO_free(p8inf);
        if (p8 == NULL)
            return 0;
        if (isder)
            ret = i2d_PKCS8_bio(bp, p8);
        else
            ret = PEM_write_bio_PKCS8(bp, p8);
        X509_SIG_free(p8);
        return ret;
    } else {
        if (isder)
            ret = i2d_PKCS8_PRIV_KEY_INFO_bio(bp, p8inf);
        else
            ret = PEM_write_bio_PKCS8_PRIV_KEY_INFO(bp, p8inf);
        PKCS8_PRIV_KEY_INFO_free(p8inf);
        return ret;
    }
}

开发者ID:ciz，项目名称:openssl，代码行数:48，代码来源:pem_pk8.c

示例7: PEM_do_header

int
PEM_do_header(EVP_CIPHER_INFO *cipher, unsigned char *data, long *plen,
    pem_password_cb *callback, void *u)
{
	int i, j, o, klen;
	long len;
	EVP_CIPHER_CTX ctx;
	unsigned char key[EVP_MAX_KEY_LENGTH];
	char buf[PEM_BUFSIZE];

	len = *plen;

	if (cipher->cipher == NULL)
		return (1);
	if (callback == NULL)
		klen = PEM_def_callback(buf, PEM_BUFSIZE, 0, u);
	else
		klen = callback(buf, PEM_BUFSIZE, 0, u);
	if (klen <= 0) {
		PEMerr(PEM_F_PEM_DO_HEADER, PEM_R_BAD_PASSWORD_READ);
		return (0);
	}
	if (!EVP_BytesToKey(cipher->cipher, EVP_md5(), &(cipher->iv[0]),
	    (unsigned char *)buf, klen, 1, key, NULL))
		return 0;

	j = (int)len;
	EVP_CIPHER_CTX_init(&ctx);
	o = EVP_DecryptInit_ex(&ctx, cipher->cipher, NULL, key,
	    &(cipher->iv[0]));
	if (o)
		o = EVP_DecryptUpdate(&ctx, data, &i, data, j);
	if (o)
		o = EVP_DecryptFinal_ex(&ctx, &(data[i]), &j);
	EVP_CIPHER_CTX_cleanup(&ctx);
	OPENSSL_cleanse((char *)buf, sizeof(buf));
	OPENSSL_cleanse((char *)key, sizeof(key));
	j += i;
	if (!o) {
		PEMerr(PEM_F_PEM_DO_HEADER, PEM_R_BAD_DECRYPT);
		return (0);
	}
	*plen = j;
	return (1);
}

开发者ID:awakecoding，项目名称:libressl，代码行数:45，代码来源:pem_lib.c

示例8: password_cb

NOEXPORT int password_cb(char *buf, int size, int rwflag, void *userdata) {
    static char cache[PEM_BUFSIZE];
    int len;

    if(size>PEM_BUFSIZE)
        size=PEM_BUFSIZE;

    if(userdata) { /* prompt the user */
#ifdef USE_WIN32
        len=passwd_cb(buf, size, rwflag, userdata);
#else
        len=PEM_def_callback(buf, size, rwflag, NULL);
#endif
        memcpy(cache, buf, (size_t)size); /* save in cache */
        cache_initialized=1;
    } else { /* try the cached value */
        strncpy(buf, cache, (size_t)size);
        buf[size-1]='\0';
        len=(int)strlen(buf);
    }
    return len;
}

开发者ID:NickolasLapp，项目名称:stunnel，代码行数:22，代码来源:ctx.c

示例9: PEM_ASN1_write_bio

int PEM_ASN1_write_bio(i2d_of_void *i2d, const char *name, BIO *bp,
           char *x, const EVP_CIPHER *enc, unsigned char *kstr,
           int klen, pem_password_cb *callback, void *u)
  {
  EVP_CIPHER_CTX ctx;
  int dsize=0,i,j,ret=0;
  unsigned char *p,*data=NULL;
  const char *objstr=NULL;
  char buf[PEM_BUFSIZE];
  unsigned char key[EVP_MAX_KEY_LENGTH];
  unsigned char iv[EVP_MAX_IV_LENGTH];
  
  if (enc != NULL)
    {
    objstr=OBJ_nid2sn(EVP_CIPHER_nid(enc));
    if (objstr == NULL)
      {
      PEMerr(PEM_F_PEM_ASN1_WRITE_BIO,PEM_R_UNSUPPORTED_CIPHER);
      goto err;
      }
    }

  if ((dsize=i2d(x,NULL)) < 0)
    {
    PEMerr(PEM_F_PEM_ASN1_WRITE_BIO,ERR_R_ASN1_LIB);
    dsize=0;
    goto err;
    }
  /* dzise + 8 bytes are needed */
  /* actually it needs the cipher block size extra... */
  data=(unsigned char *)OPENSSL_malloc((unsigned int)dsize+20);
  if (data == NULL)
    {
    PEMerr(PEM_F_PEM_ASN1_WRITE_BIO,ERR_R_MALLOC_FAILURE);
    goto err;
    }
  p=data;
  i=i2d(x,&p);

  if (enc != NULL)
    {
    if (kstr == NULL)
      {
      if (callback == NULL)
        klen=PEM_def_callback(buf,PEM_BUFSIZE,1,u);
      else
        klen=(*callback)(buf,PEM_BUFSIZE,1,u);
      if (klen <= 0)
        {
        PEMerr(PEM_F_PEM_ASN1_WRITE_BIO,PEM_R_READ_KEY);
        goto err;
        }
#ifdef CHARSET_EBCDIC
      /* Convert the pass phrase from EBCDIC */
      ebcdic2ascii(buf, buf, klen);
#endif
      kstr=(unsigned char *)buf;
      }
    RAND_add(data,i,0);/* put in the RSA key. */
    OPENSSL_assert(enc->iv_len <= (int)sizeof(iv));
    if (RAND_pseudo_bytes(iv,enc->iv_len) < 0) /* Generate a salt */
      goto err;
    /* The 'iv' is used as the iv and as a salt.  It is
     * NOT taken from the BytesToKey function */
    EVP_BytesToKey(enc,EVP_md5(),iv,kstr,klen,1,key,NULL);

    if (kstr == (unsigned char *)buf) OPENSSL_cleanse(buf,PEM_BUFSIZE);

    OPENSSL_assert(strlen(objstr)+23+2*enc->iv_len+13 <= sizeof buf);

    buf[0]='\0';
    PEM_proc_type(buf,PEM_TYPE_ENCRYPTED);
    PEM_dek_info(buf,objstr,enc->iv_len,(char *)iv);
    /* k=strlen(buf); */

    EVP_CIPHER_CTX_init(&ctx);
    EVP_EncryptInit_ex(&ctx,enc,NULL,key,iv);
    EVP_EncryptUpdate(&ctx,data,&j,data,i);
    EVP_EncryptFinal_ex(&ctx,&(data[j]),&i);
    EVP_CIPHER_CTX_cleanup(&ctx);
    i+=j;
    ret=1;
    }
  else
    {
    ret=1;
    buf[0]='\0';
    }
  i=PEM_write_bio(bp,name,buf,data,i);
  if (i <= 0) ret=0;
err:
  OPENSSL_cleanse(key,sizeof(key));
  OPENSSL_cleanse(iv,sizeof(iv));
  OPENSSL_cleanse((char *)&ctx,sizeof(ctx));
  OPENSSL_cleanse(buf,PEM_BUFSIZE);
  if (data != NULL)
    {
    OPENSSL_cleanse(data,(unsigned int)dsize);
    OPENSSL_free(data);
    }
//.........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:pem_lib.c

示例10: PEM_ASN1_write_bio

int PEM_ASN1_write_bio(i2d_of_void *i2d, const char *name, BIO *bp,
                       void *x, const EVP_CIPHER *enc, unsigned char *kstr,
                       int klen, pem_password_cb *callback, void *u)
{
    EVP_CIPHER_CTX *ctx = NULL;
    int dsize = 0, i = 0, j = 0, ret = 0;
    unsigned char *p, *data = NULL;
    const char *objstr = NULL;
    char buf[PEM_BUFSIZE];
    unsigned char key[EVP_MAX_KEY_LENGTH];
    unsigned char iv[EVP_MAX_IV_LENGTH];

    if (enc != NULL) {
        objstr = OBJ_nid2sn(EVP_CIPHER_nid(enc));
        if (objstr == NULL || EVP_CIPHER_iv_length(enc) == 0
                || EVP_CIPHER_iv_length(enc) > (int)sizeof(iv)
                   /*
                    * Check "Proc-Type: 4,Encrypted\nDEK-Info: objstr,hex-iv\n"
                    * fits into buf
                    */
                || (strlen(objstr) + 23 + 2 * EVP_CIPHER_iv_length(enc) + 13)
                   > sizeof(buf)) {
            PEMerr(PEM_F_PEM_ASN1_WRITE_BIO, PEM_R_UNSUPPORTED_CIPHER);
            goto err;
        }
    }

    if ((dsize = i2d(x, NULL)) < 0) {
        PEMerr(PEM_F_PEM_ASN1_WRITE_BIO, ERR_R_ASN1_LIB);
        dsize = 0;
        goto err;
    }
    /* dsize + 8 bytes are needed */
    /* actually it needs the cipher block size extra... */
    data = OPENSSL_malloc((unsigned int)dsize + 20);
    if (data == NULL) {
        PEMerr(PEM_F_PEM_ASN1_WRITE_BIO, ERR_R_MALLOC_FAILURE);
        goto err;
    }
    p = data;
    i = i2d(x, &p);

    if (enc != NULL) {
        if (kstr == NULL) {
            if (callback == NULL)
                klen = PEM_def_callback(buf, PEM_BUFSIZE, 1, u);
            else
                klen = (*callback) (buf, PEM_BUFSIZE, 1, u);
            if (klen <= 0) {
                PEMerr(PEM_F_PEM_ASN1_WRITE_BIO, PEM_R_READ_KEY);
                goto err;
            }
#ifdef CHARSET_EBCDIC
            /* Convert the pass phrase from EBCDIC */
            ebcdic2ascii(buf, buf, klen);
#endif
            kstr = (unsigned char *)buf;
        }
        if (RAND_bytes(iv, EVP_CIPHER_iv_length(enc)) <= 0) /* Generate a salt */
            goto err;
        /*
         * The 'iv' is used as the iv and as a salt.  It is NOT taken from
         * the BytesToKey function
         */
        if (!EVP_BytesToKey(enc, EVP_md5(), iv, kstr, klen, 1, key, NULL))
            goto err;

        if (kstr == (unsigned char *)buf)
            OPENSSL_cleanse(buf, PEM_BUFSIZE);

        buf[0] = '\0';
        PEM_proc_type(buf, PEM_TYPE_ENCRYPTED);
        PEM_dek_info(buf, objstr, EVP_CIPHER_iv_length(enc), (char *)iv);
        /* k=strlen(buf); */

        ret = 1;
        if ((ctx = EVP_CIPHER_CTX_new()) == NULL
            || !EVP_EncryptInit_ex(ctx, enc, NULL, key, iv)
            || !EVP_EncryptUpdate(ctx, data, &j, data, i)
            || !EVP_EncryptFinal_ex(ctx, &(data[j]), &i))
            ret = 0;
        if (ret == 0)
            goto err;
        i += j;
    } else {
        ret = 1;
        buf[0] = '\0';
    }
    i = PEM_write_bio(bp, name, buf, data, i);
    if (i <= 0)
        ret = 0;
 err:
    OPENSSL_cleanse(key, sizeof(key));
    OPENSSL_cleanse(iv, sizeof(iv));
    EVP_CIPHER_CTX_free(ctx);
    OPENSSL_cleanse(buf, PEM_BUFSIZE);
    OPENSSL_clear_free(data, (unsigned int)dsize);
    return ret;
}

开发者ID:Ana06，项目名称:openssl，代码行数:99，代码来源:pem_lib.c

示例11: PEM_read_bio_PrivateKey

EVP_PKEY *
PEM_read_bio_PrivateKey(BIO *bp, EVP_PKEY **x, pem_password_cb *cb, void *u)
{
	char *nm = NULL;
	const unsigned char *p = NULL;
	unsigned char *data = NULL;
	long len;
	int slen;
	EVP_PKEY *ret = NULL;

	if (!PEM_bytes_read_bio(&data, &len, &nm, PEM_STRING_EVP_PKEY,
	    bp, cb, u))
		return NULL;
	p = data;

	if (strcmp(nm, PEM_STRING_PKCS8INF) == 0) {
		PKCS8_PRIV_KEY_INFO *p8inf;
		p8inf = d2i_PKCS8_PRIV_KEY_INFO(NULL, &p, len);
		if (!p8inf)
			goto p8err;
		ret = EVP_PKCS82PKEY(p8inf);
		if (x) {
			EVP_PKEY_free(*x);
			*x = ret;
		}
		PKCS8_PRIV_KEY_INFO_free(p8inf);
	} else if (strcmp(nm, PEM_STRING_PKCS8) == 0) {
		PKCS8_PRIV_KEY_INFO *p8inf;
		X509_SIG *p8;
		int klen;
		char psbuf[PEM_BUFSIZE];
		p8 = d2i_X509_SIG(NULL, &p, len);
		if (!p8)
			goto p8err;
		if (cb)
			klen = cb(psbuf, PEM_BUFSIZE, 0, u);
		else
			klen = PEM_def_callback(psbuf, PEM_BUFSIZE, 0, u);
		if (klen <= 0) {
			PEMerr(PEM_F_PEM_READ_BIO_PRIVATEKEY,
			    PEM_R_BAD_PASSWORD_READ);
			X509_SIG_free(p8);
			goto err;
		}
		p8inf = PKCS8_decrypt(p8, psbuf, klen);
		X509_SIG_free(p8);
		if (!p8inf)
			goto p8err;
		ret = EVP_PKCS82PKEY(p8inf);
		if (x) {
			EVP_PKEY_free(*x);
			*x = ret;
		}
		PKCS8_PRIV_KEY_INFO_free(p8inf);
	} else if ((slen = pem_check_suffix(nm, "PRIVATE KEY")) > 0) {
		const EVP_PKEY_ASN1_METHOD *ameth;
		ameth = EVP_PKEY_asn1_find_str(NULL, nm, slen);
		if (!ameth || !ameth->old_priv_decode)
			goto p8err;
		ret = d2i_PrivateKey(ameth->pkey_id, x, &p, len);
	}

p8err:
	if (ret == NULL)
		PEMerr(PEM_F_PEM_READ_BIO_PRIVATEKEY, ERR_R_ASN1_LIB);
err:
	free(nm);
	OPENSSL_cleanse(data, len);
	free(data);
	return (ret);
}

开发者ID:LeSuisse，项目名称:libressl-salsa20，代码行数:71，代码来源:pem_pkey.c

示例12: if

EVP_PKEY *PEM_read_bio_PrivateKey(BIO *bp, EVP_PKEY **x, pem_password_cb *cb, void *u)
	{
	char *nm=NULL;
	const unsigned char *p=NULL;
	unsigned char *data=NULL;
	long len;
	EVP_PKEY *ret=NULL;

	if (!PEM_bytes_read_bio(&data, &len, &nm, PEM_STRING_EVP_PKEY, bp, cb, u))
		return NULL;
	p = data;

	if (strcmp(nm,PEM_STRING_RSA) == 0)
		ret=d2i_PrivateKey(EVP_PKEY_RSA,x,&p,len);
	else if (strcmp(nm,PEM_STRING_DSA) == 0)
		ret=d2i_PrivateKey(EVP_PKEY_DSA,x,&p,len);
	else if (strcmp(nm,PEM_STRING_ECPRIVATEKEY) == 0)
		ret=d2i_PrivateKey(EVP_PKEY_EC,x,&p,len);
	else if (strcmp(nm,PEM_STRING_PKCS8INF) == 0) {
		PKCS8_PRIV_KEY_INFO *p8inf;
		p8inf=d2i_PKCS8_PRIV_KEY_INFO(NULL, &p, len);
		if(!p8inf) goto p8err;
		ret = EVP_PKCS82PKEY(p8inf);
		if(x) {
			if(*x) EVP_PKEY_free((EVP_PKEY *)*x);
			*x = ret;
		}
		PKCS8_PRIV_KEY_INFO_free(p8inf);
	} else if (strcmp(nm,PEM_STRING_PKCS8) == 0) {
		PKCS8_PRIV_KEY_INFO *p8inf;
		X509_SIG *p8;
		int klen;
		char psbuf[PEM_BUFSIZE];
		p8 = d2i_X509_SIG(NULL, &p, len);
		if(!p8) goto p8err;
		if (cb) klen=cb(psbuf,PEM_BUFSIZE,0,u);
		else klen=PEM_def_callback(psbuf,PEM_BUFSIZE,0,u);
		if (klen <= 0) {
			PEMerr(PEM_F_PEM_READ_BIO_PRIVATEKEY,
					PEM_R_BAD_PASSWORD_READ);
			X509_SIG_free(p8);
			goto err;
		}
		p8inf = PKCS8_decrypt(p8, psbuf, klen);
		X509_SIG_free(p8);
		if(!p8inf) goto p8err;
		ret = EVP_PKCS82PKEY(p8inf);
		if(x) {
			if(*x) EVP_PKEY_free((EVP_PKEY *)*x);
			*x = ret;
		}
		PKCS8_PRIV_KEY_INFO_free(p8inf);
	}
p8err:
	if (ret == NULL)
		PEMerr(PEM_F_PEM_READ_BIO_PRIVATEKEY,ERR_R_ASN1_LIB);
err:
	OPENSSL_free(nm);
	OPENSSL_cleanse(data, len);
	OPENSSL_free(data);
	return(ret);
	}

开发者ID:RafaelRMachado，项目名称:MinnowBoard，代码行数:62，代码来源:pem_pkey.c

示例13: i2b_PVK

static int
i2b_PVK(unsigned char **out, EVP_PKEY*pk, int enclevel, pem_password_cb *cb,
    void *u)
{
	int outlen = 24, pklen;
	unsigned char *p, *salt = NULL;
	EVP_CIPHER_CTX cctx;

	EVP_CIPHER_CTX_init(&cctx);
	if (enclevel)
		outlen += PVK_SALTLEN;
	pklen = do_i2b(NULL, pk, 0);
	if (pklen < 0)
		return -1;
	outlen += pklen;
	p = malloc(outlen);
	if (!p) {
		PEMerror(ERR_R_MALLOC_FAILURE);
		return -1;
	}

	write_ledword(&p, MS_PVKMAGIC);
	write_ledword(&p, 0);
	if (pk->type == EVP_PKEY_DSA)
		write_ledword(&p, MS_KEYTYPE_SIGN);
	else
		write_ledword(&p, MS_KEYTYPE_KEYX);
	write_ledword(&p, enclevel ? 1 : 0);
	write_ledword(&p, enclevel ? PVK_SALTLEN : 0);
	write_ledword(&p, pklen);
	if (enclevel) {
		arc4random_buf(p, PVK_SALTLEN);
		salt = p;
		p += PVK_SALTLEN;
	}
	do_i2b(&p, pk, 0);
	if (enclevel == 0) {
		*out = p;
		return outlen;
	} else {
		char psbuf[PEM_BUFSIZE];
		unsigned char keybuf[20];
		int enctmplen, inlen;
		if (cb)
			inlen = cb(psbuf, PEM_BUFSIZE, 1, u);
		else
			inlen = PEM_def_callback(psbuf, PEM_BUFSIZE, 1, u);
		if (inlen <= 0) {
			PEMerror(PEM_R_BAD_PASSWORD_READ);
			goto error;
		}
		if (!derive_pvk_key(keybuf, salt, PVK_SALTLEN,
		    (unsigned char *)psbuf, inlen))
			goto error;
		if (enclevel == 1)
			memset(keybuf + 5, 0, 11);
		p = salt + PVK_SALTLEN + 8;
		if (!EVP_EncryptInit_ex(&cctx, EVP_rc4(), NULL, keybuf, NULL))
			goto error;
		explicit_bzero(keybuf, 20);
		if (!EVP_DecryptUpdate(&cctx, p, &enctmplen, p, pklen - 8))
			goto error;
		if (!EVP_DecryptFinal_ex(&cctx, p + enctmplen, &enctmplen))
			goto error;
	}
	EVP_CIPHER_CTX_cleanup(&cctx);
	*out = p;
	return outlen;

error:
	EVP_CIPHER_CTX_cleanup(&cctx);
	free(p);
	return -1;
}

开发者ID:MiKTeX，项目名称:miktex，代码行数:74，代码来源:pvkfmt.c

示例14: do_PVK_body

static EVP_PKEY *
do_PVK_body(const unsigned char **in, unsigned int saltlen,
    unsigned int keylen, pem_password_cb *cb, void *u)
{
	EVP_PKEY *ret = NULL;
	const unsigned char *p = *in;
	unsigned int magic;
	unsigned char *enctmp = NULL, *q;
	EVP_CIPHER_CTX cctx;

	EVP_CIPHER_CTX_init(&cctx);
	if (saltlen) {
		char psbuf[PEM_BUFSIZE];
		unsigned char keybuf[20];
		int enctmplen, inlen;

		if (cb)
			inlen = cb(psbuf, PEM_BUFSIZE, 0, u);
		else
			inlen = PEM_def_callback(psbuf, PEM_BUFSIZE, 0, u);
		if (inlen <= 0) {
			PEMerror(PEM_R_BAD_PASSWORD_READ);
			goto err;
		}
		enctmp = malloc(keylen + 8);
		if (!enctmp) {
			PEMerror(ERR_R_MALLOC_FAILURE);
			goto err;
		}
		if (!derive_pvk_key(keybuf, p, saltlen, (unsigned char *)psbuf,
		    inlen)) {
			goto err;
		}
		p += saltlen;
		/* Copy BLOBHEADER across, decrypt rest */
		memcpy(enctmp, p, 8);
		p += 8;
		if (keylen < 8) {
			PEMerror(PEM_R_PVK_TOO_SHORT);
			goto err;
		}
		inlen = keylen - 8;
		q = enctmp + 8;
		if (!EVP_DecryptInit_ex(&cctx, EVP_rc4(), NULL, keybuf, NULL))
			goto err;
		if (!EVP_DecryptUpdate(&cctx, q, &enctmplen, p, inlen))
			goto err;
		if (!EVP_DecryptFinal_ex(&cctx, q + enctmplen, &enctmplen))
			goto err;
		magic = read_ledword((const unsigned char **)&q);
		if (magic != MS_RSA2MAGIC && magic != MS_DSS2MAGIC) {
			q = enctmp + 8;
			memset(keybuf + 5, 0, 11);
			if (!EVP_DecryptInit_ex(&cctx, EVP_rc4(), NULL, keybuf,
			    NULL))
				goto err;
			explicit_bzero(keybuf, 20);
			if (!EVP_DecryptUpdate(&cctx, q, &enctmplen, p, inlen))
				goto err;
			if (!EVP_DecryptFinal_ex(&cctx, q + enctmplen,
			    &enctmplen))
				goto err;
			magic = read_ledword((const unsigned char **)&q);
			if (magic != MS_RSA2MAGIC && magic != MS_DSS2MAGIC) {
				PEMerror(PEM_R_BAD_DECRYPT);
				goto err;
			}
		} else
			explicit_bzero(keybuf, 20);
		p = enctmp;
	}

	ret = b2i_PrivateKey(&p, keylen);

err:
	EVP_CIPHER_CTX_cleanup(&cctx);
	if (enctmp && saltlen)
		free(enctmp);
	return ret;
}

开发者ID:MiKTeX，项目名称:miktex，代码行数:80，代码来源:pvkfmt.c

示例15: i2b_PVK

static int i2b_PVK(unsigned char **out, EVP_PKEY *pk, int enclevel,
                   pem_password_cb *cb, void *u)
{
    int outlen = 24, pklen;
    unsigned char *p, *salt = NULL;
    EVP_CIPHER_CTX *cctx = EVP_CIPHER_CTX_new();
    if (enclevel)
        outlen += PVK_SALTLEN;
    pklen = do_i2b(NULL, pk, 0);
    if (pklen < 0)
        return -1;
    outlen += pklen;
    if (!out)
        return outlen;
    if (*out)
        p = *out;
    else {
        p = OPENSSL_malloc(outlen);
        if (p == NULL) {
            PEMerr(PEM_F_I2B_PVK, ERR_R_MALLOC_FAILURE);
            return -1;
        }
        *out = p;
    }

    write_ledword(&p, MS_PVKMAGIC);
    write_ledword(&p, 0);
    if (EVP_PKEY_id(pk) == EVP_PKEY_DSA)
        write_ledword(&p, MS_KEYTYPE_SIGN);
    else
        write_ledword(&p, MS_KEYTYPE_KEYX);
    write_ledword(&p, enclevel ? 1 : 0);
    write_ledword(&p, enclevel ? PVK_SALTLEN : 0);
    write_ledword(&p, pklen);
    if (enclevel) {
        if (RAND_bytes(p, PVK_SALTLEN) <= 0)
            goto error;
        salt = p;
        p += PVK_SALTLEN;
    }
    do_i2b(&p, pk, 0);
    if (enclevel == 0)
        return outlen;
    else {
        char psbuf[PEM_BUFSIZE];
        unsigned char keybuf[20];
        int enctmplen, inlen;
        if (cb)
            inlen = cb(psbuf, PEM_BUFSIZE, 1, u);
        else
            inlen = PEM_def_callback(psbuf, PEM_BUFSIZE, 1, u);
        if (inlen <= 0) {
            PEMerr(PEM_F_I2B_PVK, PEM_R_BAD_PASSWORD_READ);
            goto error;
        }
        if (!derive_pvk_key(keybuf, salt, PVK_SALTLEN,
                            (unsigned char *)psbuf, inlen))
            goto error;
        if (enclevel == 1)
            memset(keybuf + 5, 0, 11);
        p = salt + PVK_SALTLEN + 8;
        if (!EVP_EncryptInit_ex(cctx, EVP_rc4(), NULL, keybuf, NULL))
            goto error;
        OPENSSL_cleanse(keybuf, 20);
        if (!EVP_DecryptUpdate(cctx, p, &enctmplen, p, pklen - 8))
            goto error;
        if (!EVP_DecryptFinal_ex(cctx, p + enctmplen, &enctmplen))
            goto error;
    }
    EVP_CIPHER_CTX_free(cctx);
    return outlen;

 error:
    EVP_CIPHER_CTX_free(cctx);
    return -1;
}

开发者ID:277800076，项目名称:openssl，代码行数:76，代码来源:pvkfmt.c

示例16:

static EVP_PKEY *do_PVK_body(const unsigned char **in,
		unsigned int saltlen, unsigned int keylen,
		pem_password_cb *cb, void *u)
	{
	EVP_PKEY *ret = NULL;
	const unsigned char *p = *in;
	unsigned int magic;
	unsigned char *enctmp = NULL, *q;
	if (saltlen)
		{
		char psbuf[PEM_BUFSIZE];
		unsigned char keybuf[20];
		EVP_CIPHER_CTX cctx;
		int enctmplen, inlen;
		if (cb)
			inlen=cb(psbuf,PEM_BUFSIZE,0,u);
		else
			inlen=PEM_def_callback(psbuf,PEM_BUFSIZE,0,u);
		if (inlen <= 0)
			{
			PEMerr(PEM_F_DO_PVK_BODY,PEM_R_BAD_PASSWORD_READ);
			return NULL;
			}
		enctmp = (unsigned char*)OPENSSL_malloc(keylen + 8);
		if (!enctmp)
			{
			PEMerr(PEM_F_DO_PVK_BODY, ERR_R_MALLOC_FAILURE);
			return NULL;
			}
		if (!derive_pvk_key(keybuf, p, saltlen,
			    (unsigned char *)psbuf, inlen))
			return NULL;
		p += saltlen;
		/* Copy BLOBHEADER across, decrypt rest */
		TINYCLR_SSL_MEMCPY(enctmp, p, 8);
		p += 8;
		inlen = keylen - 8;
		q = enctmp + 8;
		EVP_CIPHER_CTX_init(&cctx);
		EVP_DecryptInit_ex(&cctx, EVP_rc4(), NULL, keybuf, NULL);
		EVP_DecryptUpdate(&cctx, q, &enctmplen, p, inlen);
		EVP_DecryptFinal_ex(&cctx, q + enctmplen, &enctmplen);
		magic = read_ledword((const unsigned char **)&q);
		if (magic != MS_RSA2MAGIC && magic != MS_DSS2MAGIC)
			{
			q = enctmp + 8;
			TINYCLR_SSL_MEMSET(keybuf + 5, 0, 11);
			EVP_DecryptInit_ex(&cctx, EVP_rc4(), NULL, keybuf,
								NULL);
			OPENSSL_cleanse(keybuf, 20);
			EVP_DecryptUpdate(&cctx, q, &enctmplen, p, inlen);
			EVP_DecryptFinal_ex(&cctx, q + enctmplen,
								&enctmplen);
			magic = read_ledword((const unsigned char **)&q);
			if (magic != MS_RSA2MAGIC && magic != MS_DSS2MAGIC)
				{
				EVP_CIPHER_CTX_cleanup(&cctx);
				PEMerr(PEM_F_DO_PVK_BODY, PEM_R_BAD_DECRYPT);
				goto err;
				}
			}
		else
			OPENSSL_cleanse(keybuf, 20);
		EVP_CIPHER_CTX_cleanup(&cctx);
		p = enctmp;
		}

	ret = b2i_PrivateKey(&p, keylen);
	err:
	if (enctmp && saltlen)
		OPENSSL_free(enctmp);
	return ret;
	}

开发者ID:Wampamba-Nooh，项目名称:MicroFrameworkSDK-Mono，代码行数:73，代码来源:pvkfmt.cpp

注：本文中的PEM_def_callback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++ PEM_def_callback函数代码示例

示例1: ossl_pem_passwd_cb

示例2: PEM_do_header

示例3: d2i_PKCS8_bio

示例4: ossl_pem_passwd_cb

示例5: PEM_do_header

示例6: do_pk8pkey

示例7: PEM_do_header

示例8: password_cb

示例9: PEM_ASN1_write_bio

示例10: PEM_ASN1_write_bio

示例11: PEM_read_bio_PrivateKey

示例12: if

示例13: i2b_PVK

示例14: do_PVK_body

示例15: i2b_PVK

示例16:

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CVE-2020-36276

SimpleSoftwareIO/simple-sms: Send and re

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