9 #include <botan/internal/xor_buf.h>    44 void OFB::key_schedule(
const byte key[], 
size_t key_len)
    46    permutation->
set_key(key, key_len);
    57    return (
"OFB(" + permutation->
name() + 
")");
    65    while(length >= buffer.
size() - position)
    67       xor_buf(out, in, &buffer[position], buffer.
size() - position);
    68       length -= (buffer.
size() - position);
    69       in += (buffer.
size() - position);
    70       out += (buffer.
size() - position);
    74    xor_buf(out, in, &buffer[position], length);
    87    buffer.
copy(0, iv, iv_len);
 
void set_iv(const byte iv[], size_t iv_len)
bool valid_iv_length(size_t iv_len) const
void copy(const T in[], size_t n)
void encrypt(const byte in[], byte out[]) const
void set_key(const SymmetricKey &key)
void cipher(const byte in[], byte out[], size_t length)
virtual std::string name() const =0
void xor_buf(byte out[], const byte in[], size_t length)
void zeroise(MemoryRegion< T > &vec)
virtual size_t block_size() const =0