Botan
1.11.15
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#include <aead_filt.h>
Public Member Functions | |
AEAD_Filter (AEAD_Mode *aead) | |
virtual bool | attachable () |
Key_Length_Specification | key_spec () const override |
std::string | name () const override |
void | set_associated_data (const byte ad[], size_t ad_len) |
void | set_iv (const InitializationVector &iv) override |
void | set_key (const SymmetricKey &key) override |
bool | valid_iv_length (size_t length) const override |
bool | valid_keylength (size_t length) const |
Protected Member Functions | |
const Transform & | get_transform () const |
Transform & | get_transform () |
virtual void | send (const byte in[], size_t length) |
void | send (byte in) |
void | send (const secure_vector< byte > &in) |
void | send (const std::vector< byte > &in) |
void | send (const secure_vector< byte > &in, size_t length) |
void | send (const std::vector< byte > &in, size_t length) |
Filter interface for AEAD Modes
Definition at line 19 of file aead_filt.h.
Botan::AEAD_Filter::AEAD_Filter | ( | AEAD_Mode * | aead | ) | [inline] |
Definition at line 22 of file aead_filt.h.
: Transform_Filter(aead) {}
virtual bool Botan::Filter::attachable | ( | ) | [inline, virtual, inherited] |
Check whether this filter is an attachable filter.
Reimplemented in Botan::SecureQueue, and Botan::DataSink.
Definition at line 52 of file filter.h.
{ return true; }
const Transform& Botan::Transform_Filter::get_transform | ( | ) | const [inline, protected, inherited] |
Definition at line 37 of file transform_filter.h.
{ return *m_transform; }
Transform& Botan::Transform_Filter::get_transform | ( | ) | [inline, protected, inherited] |
Definition at line 39 of file transform_filter.h.
{ return *m_transform; }
Key_Length_Specification Botan::Transform_Filter::key_spec | ( | ) | const [override, virtual, inherited] |
Implements Botan::Keyed_Filter.
Definition at line 69 of file transform_filter.cpp.
{ if(Keyed_Transform* keyed = dynamic_cast<Keyed_Transform*>(m_transform.get())) return keyed->key_spec(); return Key_Length_Specification(0); }
std::string Botan::Transform_Filter::name | ( | ) | const [override, virtual, inherited] |
Implements Botan::Filter.
Definition at line 36 of file transform_filter.cpp.
Referenced by Botan::Transform_Filter::set_key().
{
return m_transform->name();
}
void Botan::Filter::send | ( | const byte | in[], |
size_t | length | ||
) | [protected, virtual, inherited] |
in | some input for the filter |
length | the length of in |
Reimplemented in Botan::Threaded_Fork.
Definition at line 28 of file filter.cpp.
References Botan::Filter::write().
Referenced by Botan::Compression_Decompression_Filter::end_msg(), Botan::Hex_Encoder::end_msg(), Botan::Base64_Encoder::end_msg(), Botan::Hex_Decoder::end_msg(), Botan::Base64_Decoder::end_msg(), Botan::Hash_Filter::end_msg(), Botan::MAC_Filter::end_msg(), Botan::Compression_Decompression_Filter::flush(), Botan::Compression_Decompression_Filter::start_msg(), Botan::Compression_Decompression_Filter::write(), Botan::StreamCipher_Filter::write(), Botan::Hex_Decoder::write(), and Botan::Base64_Decoder::write().
{ if(!length) return; bool nothing_attached = true; for(size_t j = 0; j != total_ports(); ++j) if(next[j]) { if(write_queue.size()) next[j]->write(&write_queue[0], write_queue.size()); next[j]->write(input, length); nothing_attached = false; } if(nothing_attached) write_queue += std::make_pair(input, length); else write_queue.clear(); }
void Botan::Filter::send | ( | byte | in | ) | [inline, protected, inherited] |
in | some input for the filter |
Definition at line 65 of file filter.h.
References Botan::Filter::send().
Referenced by Botan::Filter::send().
{ send(&in, 1); }
void Botan::Filter::send | ( | const secure_vector< byte > & | in | ) | [inline, protected, inherited] |
in | some input for the filter |
Definition at line 70 of file filter.h.
References Botan::Filter::send().
Referenced by Botan::Filter::send().
{ send(&in[0], in.size()); }
void Botan::Filter::send | ( | const std::vector< byte > & | in | ) | [inline, protected, inherited] |
in | some input for the filter |
Definition at line 75 of file filter.h.
References Botan::Filter::send().
Referenced by Botan::Filter::send().
{ send(&in[0], in.size()); }
void Botan::Filter::send | ( | const secure_vector< byte > & | in, |
size_t | length | ||
) | [inline, protected, inherited] |
void Botan::Filter::send | ( | const std::vector< byte > & | in, |
size_t | length | ||
) | [inline, protected, inherited] |
void Botan::AEAD_Filter::set_associated_data | ( | const byte | ad[], |
size_t | ad_len | ||
) | [inline] |
Set associated data that is not included in the ciphertext but that should be authenticated. Must be called after set_key and before end_msg.
ad | the associated data |
ad_len | length of add in bytes |
Definition at line 32 of file aead_filt.h.
References Botan::get_transform().
{ dynamic_cast<AEAD_Mode&>(get_transform()).set_associated_data(ad, ad_len); }
void Botan::Transform_Filter::set_iv | ( | const InitializationVector & | iv | ) | [override, virtual, inherited] |
Set the initialization vector of this filter. Note: you should call set_iv() only after you have called set_key()
iv | the initialization vector to use |
Reimplemented from Botan::Keyed_Filter.
Definition at line 56 of file transform_filter.cpp.
{ m_nonce.update(iv); }
void Botan::Transform_Filter::set_key | ( | const SymmetricKey & | key | ) | [override, virtual, inherited] |
Set the key of this filter
key | the key to use |
Implements Botan::Keyed_Filter.
Definition at line 61 of file transform_filter.cpp.
References Botan::OctetString::length(), and Botan::Transform_Filter::name().
{ if(Keyed_Transform* keyed = dynamic_cast<Keyed_Transform*>(m_transform.get())) keyed->set_key(key); else if(key.length() != 0) throw std::runtime_error("Transform " + name() + " does not accept keys"); }
bool Botan::Transform_Filter::valid_iv_length | ( | size_t | length | ) | const [override, virtual, inherited] |
Check whether an IV length is valid for this filter
length | the IV length to be checked for validity |
Reimplemented from Botan::Keyed_Filter.
Definition at line 76 of file transform_filter.cpp.
{
return m_transform->valid_nonce_length(length);
}
bool Botan::Keyed_Filter::valid_keylength | ( | size_t | length | ) | const [inline, inherited] |
Check whether a key length is valid for this filter
length | the key length to be checked for validity |
Definition at line 42 of file key_filt.h.
{ return key_spec().valid_keylength(length); }