Results for: "module_function"

Initializes the Cipher for encryption.

Make sure to call Cipher#encrypt or Cipher#decrypt before using any of the following methods:

• key=, iv=, random_key, random_iv, pkcs5_keyivgen

Internally calls EVP_CipherInit_ex(ctx, NULL, NULL, NULL, NULL, 1).

Indicated whether this Cipher instance uses an Authenticated Encryption mode.

Returns the authentication code as a hex-encoded string. The digest parameter specifies the digest algorithm to use. This may be a String representing the algorithm name or an instance of OpenSSL::Digest.

Example

key = 'key'
data = 'The quick brown fox jumps over the lazy dog'

hmac = OpenSSL::HMAC.hexdigest('SHA1', key, data)
#=> "de7c9b85b8b78aa6bc8a7a36f70a90701c9db4d9"

String representation of this configuration object, including the class name and its sections.

Pretty prints this engine.

Creates a PKCS #7 enveloped-data structure.

Before version 3.3.0, cipher was optional and defaulted to "RC2-40-CBC".

See also the man page PKCS7_encrypt(3).

Get the output style, canonical or not.

Set the output style to canonical, or not.

returns a string which shows ancillarydata in human-readable form.

p Socket::AncillaryData.new(:INET6, :IPV6, :PKTINFO, "").inspect
#=> "#<Socket::AncillaryData: INET6 IPV6 PKTINFO \"\">"

returns the timestamp as a time object.

ancillarydata should be one of following type:

• SOL_SOCKET/SCM_TIMESTAMP (microsecond) GNU/Linux, FreeBSD, NetBSD, OpenBSD, Solaris, MacOS X

• SOL_SOCKET/SCM_TIMESTAMPNS (nanosecond) GNU/Linux

• SOL_SOCKET/SCM_BINTIME (2**(-64) second) FreeBSD

  Addrinfo.udp(“127.0.0.1”, 0).bind {|s1|

  Addrinfo.udp("127.0.0.1", 0).bind {|s2|
    s1.setsockopt(:SOCKET, :TIMESTAMP, true)
    s2.send "a", 0, s1.local_address
    ctl = s1.recvmsg.last
    p ctl    #=> #<Socket::AncillaryData: INET SOCKET TIMESTAMP 2009-02-24 17:35:46.775581>
    t = ctl.timestamp
    p t      #=> 2009-02-24 17:35:46 +0900
    p t.usec #=> 775581
    p t.nsec #=> 775581000
  }
  

  }

Returns a string to show contents of ifaddr.

Returns a string which shows sockopt in human-readable form.

p Socket::Option.new(:INET, :SOCKET, :KEEPALIVE, [1].pack("i")).inspect
#=> "#<Socket::Option: INET SOCKET KEEPALIVE 1>"

Calls String#unpack on sockopt.data.

sockopt = Socket::Option.new(:INET, :SOCKET, :KEEPALIVE, [1].pack("i"))
p sockopt.unpack("i")      #=> [1]
p sockopt.data.unpack("i") #=> [1]

Inputs string into the end of input buffer and skips data until a full flush point can be found. If the point is found in the buffer, this method flushes the buffer and returns false. Otherwise it returns true and the following data of full flush point is preserved in the buffer.

Returns last modification time recorded in the gzip file header.

Same as IO#sync

Same as IO. If flag is true, the associated IO object must respond to the flush method. While sync mode is true, the compression ratio decreases sharply.

Specify the modification time (mtime) in the gzip header. Using an Integer.

Setting the mtime in the gzip header does not effect the mtime of the file generated. Different utilities that expand the gzipped files may use the mtime header. For example the gunzip utility can use the ‘-N` flag which will set the resultant file’s mtime to the value in the header. By default many tools will set the mtime of the expanded file to the mtime of the gzipped file, not the mtime in the header.

If you do not set an mtime, the default value will be the time when compression started. Setting a value of 0 indicates no time stamp is available.

Returns the rest of the data which had read for parsing gzip format, or nil if the whole gzip file is not parsed yet.

Reads at most maxlen bytes from the gzipped stream but it blocks only if gzipreader has no data immediately available. If the optional outbuf argument is present, it must reference a String, which will receive the data. It raises EOFError on end of file.