Botan
1.10.9
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#include <ctr.h>
Public Member Functions | |
void | cipher (const byte in[], byte out[], size_t length) |
void | cipher1 (byte buf[], size_t len) |
void | clear () |
CTR_BE * | clone () const |
CTR_BE (BlockCipher *cipher) | |
Key_Length_Specification | key_spec () const |
size_t | maximum_keylength () const |
size_t | minimum_keylength () const |
std::string | name () const |
void | set_iv (const byte iv[], size_t iv_len) |
void | set_key (const SymmetricKey &key) |
void | set_key (const byte key[], size_t length) |
bool | valid_iv_length (size_t iv_len) const |
bool | valid_keylength (size_t length) const |
~CTR_BE () | |
Botan::CTR_BE::CTR_BE | ( | BlockCipher * | cipher | ) |
Encrypt or decrypt a message
in | the plaintext |
out | the byte array to hold the output, i.e. the ciphertext |
len | the length of both in and out in bytes |
Implements Botan::StreamCipher.
Definition at line 66 of file ctr.cpp.
References Botan::MemoryRegion< T >::size(), and Botan::xor_buf().
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inlineinherited |
Encrypt or decrypt a message
buf | the plaintext / ciphertext |
len | the length of buf in bytes |
Definition at line 34 of file stream_cipher.h.
Referenced by Botan::Lion::decrypt_n(), and Botan::Lion::encrypt_n().
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virtual |
Zeroize internal state
Implements Botan::Algorithm.
Definition at line 36 of file ctr.cpp.
References Botan::Algorithm::clear(), and Botan::zeroise().
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inlinevirtual |
Get a new object representing the same algorithm as *this
Implements Botan::StreamCipher.
Definition at line 36 of file ctr.h.
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inlinevirtual |
Implements Botan::SymmetricAlgorithm.
Definition at line 29 of file ctr.h.
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inlineinherited |
Definition at line 33 of file sym_algo.h.
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inlineinherited |
Definition at line 41 of file sym_algo.h.
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virtual |
Implements Botan::Algorithm.
Definition at line 58 of file ctr.cpp.
References Botan::Algorithm::name().
Referenced by set_iv().
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virtual |
Resync the cipher using the IV
iv | the initialization vector |
iv_len | the length of the IV in bytes |
Reimplemented from Botan::StreamCipher.
Definition at line 83 of file ctr.cpp.
References Botan::BlockCipher::block_size(), Botan::MemoryRegion< T >::copy(), Botan::BlockCipher::encrypt_n(), name(), valid_iv_length(), and Botan::zeroise().
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inlineinherited |
Set the symmetric key of this object.
key | the SymmetricKey to be set. |
Definition at line 60 of file sym_algo.h.
References Botan::OctetString::begin(), and Botan::OctetString::length().
Referenced by Botan::aont_package(), Botan::aont_unpackage(), Botan::Lion::decrypt_n(), Botan::PKCS5_PBKDF2::derive_key(), Botan::ECB_Decryption::ECB_Decryption(), Botan::ECB_Encryption::ECB_Encryption(), Botan::Lion::encrypt_n(), Botan::HMAC_RNG::HMAC_RNG(), Botan::MAC_Filter::MAC_Filter(), Botan::HMAC_RNG::reseed(), Botan::XTS_Encryption::set_key(), Botan::EAX_Base::set_key(), Botan::XTS_Decryption::set_key(), Botan::Record_Writer::set_keys(), Botan::Record_Reader::set_keys(), and Botan::StreamCipher_Filter::StreamCipher_Filter().
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inlineinherited |
Set the symmetric key of this object.
key | the to be set as a byte array. |
length | in bytes of key param |
Definition at line 68 of file sym_algo.h.
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inlinevirtual |
iv_len | the length of the IV in bytes |
Reimplemented from Botan::StreamCipher.
Definition at line 26 of file ctr.h.
References block_size.
Referenced by set_iv().
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inlineinherited |
Check whether a given key length is valid for this algorithm.
length | the key length to be checked. |
Definition at line 51 of file sym_algo.h.
Referenced by Botan::aont_package(), Botan::aont_unpackage(), Botan::HMAC_RNG::HMAC_RNG(), Botan::Lion::Lion(), Botan::Randpool::Randpool(), and Botan::EAX_Base::valid_keylength().