package cast5

Import Path
	golang.org/x/crypto/cast5 (on go.dev)

Dependency Relation
	imports one package, and imported by one package

Involved Source Files

	   d➜ cast5.go
		Package cast5 implements CAST5, as defined in RFC 2144.

		CAST5 is a legacy cipher and its short block size makes it vulnerable to
		birthday bound attacks (see https://sweet32.info). It should only be used
		where compatibility with legacy systems, not security, is the goal.

		Deprecated: any new system should use AES (from crypto/aes, if necessary in
		an AEAD mode like crypto/cipher.NewGCM) or XChaCha20-Poly1305 (from
		golang.org/x/crypto/chacha20poly1305).
Package-Level Type Names (total 5, in which 1 are exported)

	/* sort exporteds by: alphabet | popularity */
	 type Cipher (struct)

		Fields (total 2, neither is exported)
			/* 2 unexporteds ... *//* 2 unexporteds: */
			masking [16]uint32
			rotate [16]uint8
		Methods (total 4, in which 3 are exported)
			(*T) BlockSize() int
			(*T) Decrypt(dst, src []byte)
			(*T) Encrypt(dst, src []byte)
			/* one unexported ... *//* one unexported: */
			(*T) keySchedule(in []byte)
		Implements (at least one exported)
			*T : crypto/cipher.Block
		As Outputs Of (at least one exported)
			func NewCipher(key []byte) (c *Cipher, err error)

	/* 4 unexporteds ... *//* 4 unexporteds: */
	 type keySchedule ([]T)
	 type keyScheduleA ([...]T)
	 type keyScheduleB ([...]T)
	 type keyScheduleRound (struct)
Package-Level Functions (total 4, in which 1 are exported)

	 func NewCipher(key []byte) (c *Cipher, err error)
	/* 3 unexporteds ... *//* 3 unexporteds: */
	 func f1(d, m uint32, r uint8) uint32
		These are the three 'f' functions. See RFC 2144, section 2.2.

	 func f2(d, m uint32, r uint8) uint32
	 func f3(d, m uint32, r uint8) uint32
Package-Level Variables (total 2, neither is exported)

	/* 2 unexporteds ... *//* 2 unexporteds: */
	  var sBox [8][256]uint32
	  var schedule []struct{a keyScheduleA; b keyScheduleB}
Package-Level Constants (total 2, both are exported)

	const BlockSize = 8
	const KeySize = 16

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