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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 17:32:43 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 17:32:43 +0000 |
commit | 6bf0a5cb5034a7e684dcc3500e841785237ce2dd (patch) | |
tree | a68f146d7fa01f0134297619fbe7e33db084e0aa /comm/third_party/botan/src/lib/ffi/ffi_block.cpp | |
parent | Initial commit. (diff) | |
download | thunderbird-upstream.tar.xz thunderbird-upstream.zip |
Adding upstream version 1:115.7.0.upstream/1%115.7.0upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'comm/third_party/botan/src/lib/ffi/ffi_block.cpp')
-rw-r--r-- | comm/third_party/botan/src/lib/ffi/ffi_block.cpp | 112 |
1 files changed, 112 insertions, 0 deletions
diff --git a/comm/third_party/botan/src/lib/ffi/ffi_block.cpp b/comm/third_party/botan/src/lib/ffi/ffi_block.cpp new file mode 100644 index 0000000000..fa5c25c57e --- /dev/null +++ b/comm/third_party/botan/src/lib/ffi/ffi_block.cpp @@ -0,0 +1,112 @@ +/* +* (C) 2015,2017 Jack Lloyd +* +* Botan is released under the Simplified BSD License (see license.txt) +*/ + +#include <botan/ffi.h> +#include <botan/internal/ffi_util.h> +#include <botan/block_cipher.h> + +extern "C" { + +using namespace Botan_FFI; + +BOTAN_FFI_DECLARE_STRUCT(botan_block_cipher_struct, Botan::BlockCipher, 0x64C29716); + +int botan_block_cipher_init(botan_block_cipher_t* bc, const char* bc_name) + { + return ffi_guard_thunk(__func__, [=]() -> int { + if(bc == nullptr || bc_name == nullptr || *bc_name == 0) + return BOTAN_FFI_ERROR_NULL_POINTER; + + *bc = nullptr; + + std::unique_ptr<Botan::BlockCipher> cipher(Botan::BlockCipher::create(bc_name)); + if(cipher == nullptr) + return BOTAN_FFI_ERROR_NOT_IMPLEMENTED; + + *bc = new botan_block_cipher_struct(cipher.release()); + return BOTAN_FFI_SUCCESS; + }); + } + +/** +* Destroy a block cipher object +*/ +int botan_block_cipher_destroy(botan_block_cipher_t bc) + { + return BOTAN_FFI_CHECKED_DELETE(bc); + } + +int botan_block_cipher_clear(botan_block_cipher_t bc) + { + return BOTAN_FFI_DO(Botan::BlockCipher, bc, b, { b.clear(); }); + } + +/** +* Set the key for a block cipher instance +*/ +int botan_block_cipher_set_key(botan_block_cipher_t bc, + const uint8_t key[], size_t len) + { + if(key == nullptr) + return BOTAN_FFI_ERROR_NULL_POINTER; + return BOTAN_FFI_DO(Botan::BlockCipher, bc, b, { b.set_key(key, len); }); + } + +/** +* Return the positive block size of this block cipher, or negative to +* indicate an error +*/ +int botan_block_cipher_block_size(botan_block_cipher_t bc) + { + return BOTAN_FFI_RETURNING(Botan::BlockCipher, bc, b, + { return static_cast<int>(b.block_size()); }); + } + +int botan_block_cipher_encrypt_blocks(botan_block_cipher_t bc, + const uint8_t in[], + uint8_t out[], + size_t blocks) + { + if(in == nullptr || out == nullptr) + return BOTAN_FFI_ERROR_NULL_POINTER; + return BOTAN_FFI_DO(Botan::BlockCipher, bc, b, { b.encrypt_n(in, out, blocks); }); + } + +int botan_block_cipher_decrypt_blocks(botan_block_cipher_t bc, + const uint8_t in[], + uint8_t out[], + size_t blocks) + { + if(in == nullptr || out == nullptr) + return BOTAN_FFI_ERROR_NULL_POINTER; + return BOTAN_FFI_DO(Botan::BlockCipher, bc, b, { b.decrypt_n(in, out, blocks); }); + } + +int botan_block_cipher_name(botan_block_cipher_t cipher, char* name, size_t* name_len) + { + if(name_len == nullptr) + return BOTAN_FFI_ERROR_NULL_POINTER; + + return BOTAN_FFI_DO(Botan::BlockCipher, cipher, bc, { + return write_str_output(name, name_len, bc.name()); }); + } + +int botan_block_cipher_get_keyspec(botan_block_cipher_t cipher, + size_t* out_minimum_keylength, + size_t* out_maximum_keylength, + size_t* out_keylength_modulo) + { + return BOTAN_FFI_DO(Botan::BlockCipher, cipher, bc, { + if(out_minimum_keylength) + *out_minimum_keylength = bc.minimum_keylength(); + if(out_maximum_keylength) + *out_maximum_keylength = bc.maximum_keylength(); + if(out_keylength_modulo) + *out_keylength_modulo = bc.key_spec().keylength_multiple(); + }); + } + +} |