ChaCha

DJB's ChaCha (http://cr.yp.to/chacha.html)

final

static if(BOTAN_HAS_CHACHA)

class ChaCha : StreamCipher , SymmetricAlgorithm {

this(size_t rounds);

void cipher(const(ubyte)* input, ubyte* output, size_t length);

void setIv(const(ubyte)* iv, size_t length);

bool validIvLength(size_t iv_len);

KeyLengthSpecification keySpec();

void clear();

string name [@property getter];

StreamCipher clone();

void keySchedule(const(ubyte)* key, size_t length);

SecureVector!uint m_state;

SecureVector!ubyte m_buffer;

size_t m_position;

size_t m_rounds;

}

Constructors

this this(size_t rounds): Undocumented in source.

Members

Functions

cipher void cipher(const(ubyte)* input, ubyte* output, size_t length): Undocumented in source. Be warned that the author may not have intended to support it.
clear void clear(): Undocumented in source. Be warned that the author may not have intended to support it.
clone StreamCipher clone(): Undocumented in source. Be warned that the author may not have intended to support it.
keySchedule void keySchedule(const(ubyte)* key, size_t length): Undocumented in source. Be warned that the author may not have intended to support it.
keySpec KeyLengthSpecification keySpec(): Undocumented in source. Be warned that the author may not have intended to support it.
setIv void setIv(const(ubyte)* iv, size_t length): Undocumented in source. Be warned that the author may not have intended to support it.
validIvLength bool validIvLength(size_t iv_len): Undocumented in source. Be warned that the author may not have intended to support it.

Properties

name string name [@property getter]: Undocumented in source. Be warned that the author may not have intended to support it.

Variables

m_buffer SecureVector!ubyte m_buffer;: Undocumented in source.
m_position size_t m_position;: Undocumented in source.
m_rounds size_t m_rounds;: Undocumented in source.
m_state SecureVector!uint m_state;: Undocumented in source.

Inherited Members

From StreamCipher

cipher void cipher(const(ubyte)* input, ubyte* output, size_t len): Encrypt or decrypt a message
cipher1 void cipher1(const(ubyte)* buf, size_t len): Encrypt or decrypt a message
cipher1 void cipher1(ubyte[] buf): Encrypt or decrypt a message
encipher void encipher(Vector!(ubyte, Alloc) inoutput): Undocumented in source. Be warned that the author may not have intended to support it.
encrypt void encrypt(Vector!(ubyte, Alloc) inoutput): Undocumented in source. Be warned that the author may not have intended to support it.
decrypt void decrypt(Vector!(ubyte, Alloc) inoutput): Undocumented in source. Be warned that the author may not have intended to support it.
setIv void setIv(const(ubyte)* iv, size_t iv_len): Resync the cipher using the IV
validIvLength bool validIvLength(size_t iv_len)
clone StreamCipher clone(): Get a new object representing the same algorithm as this

Meta

Source

See Implementation

botan stream chacha classes

ChaCha

variables

CHACHA_QUARTER_ROUND