sphinx.addnodesdocument)}( rawsourcechildren]( translations LanguagesNode)}(hhh](h pending_xref)}(hhh]docutils.nodesTextChinese (Simplified)}parenthsba attributes}(ids]classes]names]dupnames]backrefs] refdomainstdreftypedoc reftarget0/translations/zh_CN/crypto/libcrypto-blockciphermodnameN classnameN refexplicitutagnamehhh ubh)}(hhh]hChinese (Traditional)}hh2sbah}(h]h ]h"]h$]h&] refdomainh)reftypeh+ reftarget0/translations/zh_TW/crypto/libcrypto-blockciphermodnameN classnameN refexplicituh1hhh ubh)}(hhh]hItalian}hhFsbah}(h]h ]h"]h$]h&] refdomainh)reftypeh+ reftarget0/translations/it_IT/crypto/libcrypto-blockciphermodnameN classnameN refexplicituh1hhh ubh)}(hhh]hJapanese}hhZsbah}(h]h ]h"]h$]h&] refdomainh)reftypeh+ reftarget0/translations/ja_JP/crypto/libcrypto-blockciphermodnameN classnameN refexplicituh1hhh ubh)}(hhh]hKorean}hhnsbah}(h]h ]h"]h$]h&] refdomainh)reftypeh+ reftarget0/translations/ko_KR/crypto/libcrypto-blockciphermodnameN classnameN refexplicituh1hhh ubh)}(hhh]hPortuguese (Brazilian)}hhsbah}(h]h ]h"]h$]h&] refdomainh)reftypeh+ reftarget0/translations/pt_BR/crypto/libcrypto-blockciphermodnameN classnameN refexplicituh1hhh ubh)}(hhh]hSpanish}hhsbah}(h]h ]h"]h$]h&] refdomainh)reftypeh+ reftarget0/translations/sp_SP/crypto/libcrypto-blockciphermodnameN classnameN refexplicituh1hhh ubeh}(h]h ]h"]h$]h&]current_languageEnglishuh1h hh _documenthsourceNlineNubhcomment)}(h)SPDX-License-Identifier: GPL-2.0-or-laterh]h)SPDX-License-Identifier: GPL-2.0-or-later}hhsbah}(h]h ]h"]h$]h&] xml:spacepreserveuh1hhhhhhJ/var/lib/git/docbuild/linux/Documentation/crypto/libcrypto-blockcipher.rsthKubhsection)}(hhh](htitle)}(h Block ciphersh]h Block ciphers}(hhhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhhhhhKubh)}(hhh](h)}(hAESh]hAES}(hhhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhhhhhKubh paragraph)}(h3This API provides support for the AES block cipher.h]h3This API provides support for the AES block cipher.}(hhhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhK hhhhubhindex)}(hhh]h}(h]h ]h"]h$]h&]entries](singleaes_enckey (C struct) c.aes_enckeyhNtauh1hhhhhhNhNubhdesc)}(hhh](hdesc_signature)}(h aes_enckeyh]hdesc_signature_line)}(hstruct aes_enckeyh](hdesc_sig_keyword)}(hstructh]hstruct}(hj"hhhNhNubah}(h]h ]kah"]h$]h&]uh1j hjhhha/var/lib/git/docbuild/linux/Documentation/crypto/libcrypto-blockcipher:11: ./include/crypto/aes.hhKubhdesc_sig_space)}(h h]h }(hj4hhhNhNubah}(h]h ]wah"]h$]h&]uh1j2hjhhhj1hKubh desc_name)}(h aes_enckeyh]h desc_sig_name)}(hjh]h aes_enckey}(hjKhhhNhNubah}(h]h ]nah"]h$]h&]uh1jIhjEubah}(h]h ](sig-namedescnameeh"]h$]h&]hhuh1jChjhhhj1hKubeh}(h]h ]h"]h$]h&]hhƌ add_permalinkuh1jsphinx_line_type declaratorhjhhhj1hKubah}(h]j ah ](sig sig-objecteh"]h$]h&] is_multiline _toc_parts) _toc_namehuh1jhj1hKhjhhubh desc_content)}(hhh]h)}(h"An AES key prepared for encryptionh]h"An AES key prepared for encryption}(hjzhhhNhNubah}(h]h ]h"]h$]h&]uh1hha/var/lib/git/docbuild/linux/Documentation/crypto/libcrypto-blockcipher:11: ./include/crypto/aes.hhKIhjwhhubah}(h]h ]h"]h$]h&]uh1juhjhhhj1hKubeh}(h]h ](cstructeh"]h$]h&]domainjobjtypejdesctypejnoindex noindexentrynocontentsentryuh1jhhhhhNhNubh container)}(hX**Definition**:: struct aes_enckey { u32 len; u32 nrounds; u32 padding[2]; union aes_enckey_arch k; }; **Members** ``len`` Key length in bytes: 16 for AES-128, 24 for AES-192, 32 for AES-256. ``nrounds`` Number of rounds: 10 for AES-128, 12 for AES-192, 14 for AES-256. This is '6 + **len** / 4' and is cached so that AES implementations that need it don't have to recompute it for each en/decryption. ``padding`` Padding to make offsetof(**k**) be a multiple of 16, so that aligning this struct to a 16-byte boundary results in **k** also being 16-byte aligned. Users aren't required to align this struct to 16 bytes, but it may slightly improve performance. ``k`` This typically contains the AES round keys as an array of '**nrounds** + 1' groups of four u32 words. However, architecture-specific implementations of AES may store something else here, e.g. just the raw key if it's all they need.h](h)}(h**Definition**::h](hstrong)}(h**Definition**h]h Definition}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1jhjubh:}(hjhhhNhNubeh}(h]h ]h"]h$]h&]uh1hha/var/lib/git/docbuild/linux/Documentation/crypto/libcrypto-blockcipher:11: ./include/crypto/aes.hhKMhjubh literal_block)}(hestruct aes_enckey { u32 len; u32 nrounds; u32 padding[2]; union aes_enckey_arch k; };h]hestruct aes_enckey { u32 len; u32 nrounds; u32 padding[2]; union aes_enckey_arch k; };}hjsbah}(h]h ]h"]h$]h&]hhuh1jha/var/lib/git/docbuild/linux/Documentation/crypto/libcrypto-blockcipher:11: ./include/crypto/aes.hhKOhjubh)}(h **Members**h]j)}(hjh]hMembers}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1jhjubah}(h]h ]h"]h$]h&]uh1hha/var/lib/git/docbuild/linux/Documentation/crypto/libcrypto-blockcipher:11: ./include/crypto/aes.hhKVhjubhdefinition_list)}(hhh](hdefinition_list_item)}(hM``len`` Key length in bytes: 16 for AES-128, 24 for AES-192, 32 for AES-256. h](hterm)}(h``len``h]hliteral)}(hjh]hlen}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1jhjubah}(h]h ]h"]h$]h&]uh1jha/var/lib/git/docbuild/linux/Documentation/crypto/libcrypto-blockcipher:11: ./include/crypto/aes.hhKKhjubh definition)}(hhh]h)}(hDKey length in bytes: 16 for AES-128, 24 for AES-192, 32 for AES-256.h]hDKey length in bytes: 16 for AES-128, 24 for AES-192, 32 for AES-256.}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhjhKKhjubah}(h]h ]h"]h$]h&]uh1jhjubeh}(h]h ]h"]h$]h&]uh1jhjhKKhjubj)}(h``nrounds`` Number of rounds: 10 for AES-128, 12 for AES-192, 14 for AES-256. This is '6 + **len** / 4' and is cached so that AES implementations that need it don't have to recompute it for each en/decryption. h](j)}(h ``nrounds``h]j)}(hj7h]hnrounds}(hj9hhhNhNubah}(h]h ]h"]h$]h&]uh1jhj5ubah}(h]h ]h"]h$]h&]uh1jha/var/lib/git/docbuild/linux/Documentation/crypto/libcrypto-blockcipher:11: ./include/crypto/aes.hhKNhj1ubj)}(hhh]h)}(hNumber of rounds: 10 for AES-128, 12 for AES-192, 14 for AES-256. This is '6 + **len** / 4' and is cached so that AES implementations that need it don't have to recompute it for each en/decryption.h](hQNumber of rounds: 10 for AES-128, 12 for AES-192, 14 for AES-256. 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Users aren’t required to align this struct to 16 bytes, but it may slightly improve performance.}(hjhhhNhNubeh}(h]h ]h"]h$]h&]uh1hha/var/lib/git/docbuild/linux/Documentation/crypto/libcrypto-blockcipher:11: ./include/crypto/aes.hhKOhjubah}(h]h ]h"]h$]h&]uh1jhj}ubeh}(h]h ]h"]h$]h&]uh1jhjhKRhjubj)}(h``k`` This typically contains the AES round keys as an array of '**nrounds** + 1' groups of four u32 words. However, architecture-specific implementations of AES may store something else here, e.g. just the raw key if it's all they need.h](j)}(h``k``h]j)}(hjh]hk}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1jhjubah}(h]h ]h"]h$]h&]uh1jha/var/lib/git/docbuild/linux/Documentation/crypto/libcrypto-blockcipher:11: ./include/crypto/aes.hhKUhjubj)}(hhh]h)}(hThis typically contains the AES round keys as an array of '**nrounds** + 1' groups of four u32 words. However, architecture-specific implementations of AES may store something else here, e.g. just the raw key if it's all they need.h](h=This typically contains the AES round keys as an array of ‘}(hjhhhNhNubj)}(h **nrounds**h]hnrounds}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1jhjubh + 1’ groups of four u32 words. However, architecture-specific implementations of AES may store something else here, e.g. just the raw key if it’s all they need.}(hjhhhNhNubeh}(h]h ]h"]h$]h&]uh1hha/var/lib/git/docbuild/linux/Documentation/crypto/libcrypto-blockcipher:11: ./include/crypto/aes.hhKShjubah}(h]h ]h"]h$]h&]uh1jhjubeh}(h]h ]h"]h$]h&]uh1jhjhKUhjubeh}(h]h ]h"]h$]h&]uh1jhjubeh}(h]h ] kernelindentah"]h$]h&]uh1jhhhhhNhNubh)}(h**Description**h]j)}(hj6h]h Description}(hj8hhhNhNubah}(h]h ]h"]h$]h&]uh1jhj4ubah}(h]h ]h"]h$]h&]uh1hha/var/lib/git/docbuild/linux/Documentation/crypto/libcrypto-blockcipher:11: ./include/crypto/aes.hhKYhhhhubh)}(hX%Note that this struct is about half the size of struct aes_key. 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union aes_invkey_arch inv_k; }; **Members** ``aes_enckey`` Common fields and the key prepared for encryption ``inv_k`` This generally contains the round keys for the AES Equivalent Inverse Cipher, as an array of '**nrounds** + 1' groups of four u32 words. 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For example, they may leave this field uninitialized if they use **k** for both encryption and decryption.h](h)}(h**Definition**::h](j)}(h**Definition**h]h Definition}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1jhjubh:}(hjhhhNhNubeh}(h]h ]h"]h$]h&]uh1hha/var/lib/git/docbuild/linux/Documentation/crypto/libcrypto-blockcipher:11: ./include/crypto/aes.hhKvhjubj)}(hKstruct aes_key { struct aes_enckey; union aes_invkey_arch inv_k; };h]hKstruct aes_key { struct aes_enckey; union aes_invkey_arch inv_k; };}hjsbah}(h]h ]h"]h$]h&]hhuh1jha/var/lib/git/docbuild/linux/Documentation/crypto/libcrypto-blockcipher:11: ./include/crypto/aes.hhKxhjubh)}(h **Members**h]j)}(hjh]hMembers}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1jhjubah}(h]h ]h"]h$]h&]uh1hha/var/lib/git/docbuild/linux/Documentation/crypto/libcrypto-blockcipher:11: ./include/crypto/aes.hhK}hjubj)}(hhh](j)}(hA``aes_enckey`` Common fields and the key prepared for encryption h](j)}(h``aes_enckey``h]j)}(hjh]h aes_enckey}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1jhjubah}(h]h ]h"]h$]h&]uh1jha/var/lib/git/docbuild/linux/Documentation/crypto/libcrypto-blockcipher:11: ./include/crypto/aes.hhKthjubj)}(hhh]h)}(h1Common fields and the key prepared for encryptionh]h1Common fields and the key prepared for encryption}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhjhKthjubah}(h]h ]h"]h$]h&]uh1jhjubeh}(h]h ]h"]h$]h&]uh1jhjhKthjubj)}(hXT``inv_k`` This generally contains the round keys for the AES Equivalent Inverse Cipher, as an array of '**nrounds** + 1' groups of four u32 words. 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However, architecture-specific implementations of AES may store something else here. For example, they may leave this field uninitialized if they use }(hj(hhhNhNubj)}(h**k**h]hk}(hjBhhhNhNubah}(h]h ]h"]h$]h&]uh1jhj(ubh$ for both encryption and decryption.}(hj(hhhNhNubeh}(h]h ]h"]h$]h&]uh1hha/var/lib/git/docbuild/linux/Documentation/crypto/libcrypto-blockcipher:11: ./include/crypto/aes.hhKuhj%ubah}(h]h ]h"]h$]h&]uh1jhj ubeh}(h]h ]h"]h$]h&]uh1jhj$hKxhjubeh}(h]h ]h"]h$]h&]uh1jhjubeh}(h]h ] kernelindentah"]h$]h&]uh1jhhhhhNhNubh)}(hhh]h}(h]h ]h"]h$]h&]entries](j aes_zeroize_key (C function)c.aes_zeroize_keyhNtauh1hhhhhhNhNubj)}(hhh](j)}(h*void aes_zeroize_key (struct aes_key *key)h]j)}(h)void aes_zeroize_key(struct aes_key *key)h](j)}(hvoidh]hvoid}(hjhhhNhNubah}(h]h ]jah"]h$]h&]uh1jhjhhha/var/lib/git/docbuild/linux/Documentation/crypto/libcrypto-blockcipher:11: ./include/crypto/aes.hhKubj3)}(h h]h }(hjhhhNhNubah}(h]h ]j?ah"]h$]h&]uh1j2hjhhhjhKubjD)}(haes_zeroize_keyh]jJ)}(haes_zeroize_keyh]haes_zeroize_key}(hjhhhNhNubah}(h]h ]jUah"]h$]h&]uh1jIhjubah}(h]h ](j\j]eh"]h$]h&]hhuh1jChjhhhjhKubj)}(h(struct aes_key *key)h]j)}(hstruct aes_key *keyh](j!)}(hj$h]hstruct}(hjhhhNhNubah}(h]h ]j-ah"]h$]h&]uh1j hjubj3)}(h h]h }(hjhhhNhNubah}(h]h ]j?ah"]h$]h&]uh1j2hjubh)}(hhh]jJ)}(haes_keyh]haes_key}(hjhhhNhNubah}(h]h ]jUah"]h$]h&]uh1jIhjubah}(h]h ]h"]h$]h&] refdomainjreftypej1 reftargetjmodnameN classnameNj5j8)}j;]j>)}j1jsbc.aes_zeroize_keyasbuh1hhjubj3)}(h h]h }(hjhhhNhNubah}(h]h ]j?ah"]h$]h&]uh1j2hjubjR)}(hjUh]h*}(hjhhhNhNubah}(h]h ]j^ah"]h$]h&]uh1jQhjubjJ)}(hkeyh]hkey}(hj#hhhNhNubah}(h]h ]jUah"]h$]h&]uh1jIhjubeh}(h]h ]h"]h$]h&]noemphhhuh1jhjubah}(h]h ]h"]h$]h&]hhuh1jhjhhhjhKubeh}(h]h ]h"]h$]h&]hhjguh1jjhjihjhhhjhKubah}(h]jah ](jmjneh"]h$]h&]jrjs)jthuh1jhjhKhjhhubjv)}(hhh]h)}(hZeroize an aes_key structureh]hZeroize an aes_key structure}(hjMhhhNhNubah}(h]h ]h"]h$]h&]uh1hha/var/lib/git/docbuild/linux/Documentation/crypto/libcrypto-blockcipher:11: ./include/crypto/aes.hhKhjJhhubah}(h]h ]h"]h$]h&]uh1juhjhhhjhKubeh}(h]h ](jfunctioneh"]h$]h&]jjjjejjejjjuh1jhhhhhNhNubj)}(h@**Parameters** ``struct aes_key *key`` The aes_key to zeroizeh](h)}(h**Parameters**h]j)}(hjoh]h Parameters}(hjqhhhNhNubah}(h]h ]h"]h$]h&]uh1jhjmubah}(h]h ]h"]h$]h&]uh1hha/var/lib/git/docbuild/linux/Documentation/crypto/libcrypto-blockcipher:11: ./include/crypto/aes.hhKhjiubj)}(hhh]j)}(h.``struct aes_key *key`` The aes_key to zeroizeh](j)}(h``struct aes_key *key``h]j)}(hjh]hstruct aes_key *key}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1jhjubah}(h]h ]h"]h$]h&]uh1jha/var/lib/git/docbuild/linux/Documentation/crypto/libcrypto-blockcipher:11: ./include/crypto/aes.hhKhjubj)}(hhh]h)}(hThe aes_key to zeroizeh]hThe aes_key to zeroize}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hha/var/lib/git/docbuild/linux/Documentation/crypto/libcrypto-blockcipher:11: ./include/crypto/aes.hhKhjubah}(h]h ]h"]h$]h&]uh1jhjubeh}(h]h ]h"]h$]h&]uh1jhjhKhjubah}(h]h ]h"]h$]h&]uh1jhjiubeh}(h]h ] kernelindentah"]h$]h&]uh1jhhhhhNhNubh)}(hhh]h}(h]h ]h"]h$]h&]entries](j aes_expandkey (C function)c.aes_expandkeyhNtauh1hhhhhhNhNubj)}(hhh](j)}(hVint aes_expandkey (struct crypto_aes_ctx *ctx, const u8 *in_key, unsigned int key_len)h]j)}(hUint aes_expandkey(struct crypto_aes_ctx *ctx, const u8 *in_key, unsigned int key_len)h](j)}(hinth]hint}(hjhhhNhNubah}(h]h ]jah"]h$]h&]uh1jhjhhha/var/lib/git/docbuild/linux/Documentation/crypto/libcrypto-blockcipher:11: ./include/crypto/aes.hhKubj3)}(h h]h }(hjhhhNhNubah}(h]h ]j?ah"]h$]h&]uh1j2hjhhhjhKubjD)}(h aes_expandkeyh]jJ)}(h aes_expandkeyh]h aes_expandkey}(hj hhhNhNubah}(h]h ]jUah"]h$]h&]uh1jIhjubah}(h]h ](j\j]eh"]h$]h&]hhuh1jChjhhhjhKubj)}(hD(struct crypto_aes_ctx *ctx, const u8 *in_key, unsigned int key_len)h](j)}(hstruct crypto_aes_ctx *ctxh](j!)}(hj$h]hstruct}(hj%hhhNhNubah}(h]h ]j-ah"]h$]h&]uh1j hj!ubj3)}(h h]h }(hj2hhhNhNubah}(h]h ]j?ah"]h$]h&]uh1j2hj!ubh)}(hhh]jJ)}(hcrypto_aes_ctxh]hcrypto_aes_ctx}(hjChhhNhNubah}(h]h ]jUah"]h$]h&]uh1jIhj@ubah}(h]h ]h"]h$]h&] refdomainjreftypej1 reftargetjEmodnameN classnameNj5j8)}j;]j>)}j1j sbc.aes_expandkeyasbuh1hhj!ubj3)}(h h]h }(hjchhhNhNubah}(h]h ]j?ah"]h$]h&]uh1j2hj!ubjR)}(hjUh]h*}(hjqhhhNhNubah}(h]h ]j^ah"]h$]h&]uh1jQhj!ubjJ)}(hctxh]hctx}(hj~hhhNhNubah}(h]h ]jUah"]h$]h&]uh1jIhj!ubeh}(h]h ]h"]h$]h&]noemphhhuh1jhjubj)}(hconst u8 *in_keyh](j!)}(hconsth]hconst}(hjhhhNhNubah}(h]h ]j-ah"]h$]h&]uh1j hjubj3)}(h h]h }(hjhhhNhNubah}(h]h ]j?ah"]h$]h&]uh1j2hjubh)}(hhh]jJ)}(hu8h]hu8}(hjhhhNhNubah}(h]h ]jUah"]h$]h&]uh1jIhjubah}(h]h ]h"]h$]h&] refdomainjreftypej1 reftargetjmodnameN classnameNj5j8)}j;]j_c.aes_expandkeyasbuh1hhjubj3)}(h h]h }(hjhhhNhNubah}(h]h ]j?ah"]h$]h&]uh1j2hjubjR)}(hjUh]h*}(hjhhhNhNubah}(h]h ]j^ah"]h$]h&]uh1jQhjubjJ)}(hin_keyh]hin_key}(hjhhhNhNubah}(h]h ]jUah"]h$]h&]uh1jIhjubeh}(h]h ]h"]h$]h&]noemphhhuh1jhjubj)}(hunsigned int key_lenh](j)}(hunsignedh]hunsigned}(hj hhhNhNubah}(h]h ]jah"]h$]h&]uh1jhj ubj3)}(h h]h }(hj hhhNhNubah}(h]h ]j?ah"]h$]h&]uh1j2hj ubj)}(hinth]hint}(hj$ hhhNhNubah}(h]h ]jah"]h$]h&]uh1jhj ubj3)}(h h]h }(hj2 hhhNhNubah}(h]h ]j?ah"]h$]h&]uh1j2hj ubjJ)}(hkey_lenh]hkey_len}(hj@ hhhNhNubah}(h]h ]jUah"]h$]h&]uh1jIhj ubeh}(h]h ]h"]h$]h&]noemphhhuh1jhjubeh}(h]h ]h"]h$]h&]hhuh1jhjhhhjhKubeh}(h]h ]h"]h$]h&]hhjguh1jjhjihjhhhjhKubah}(h]jah ](jmjneh"]h$]h&]jrjs)jthuh1jhjhKhjhhubjv)}(hhh]h)}(h,Expands the AES key as described in FIPS-197h]h,Expands the AES key as described in FIPS-197}(hjj hhhNhNubah}(h]h ]h"]h$]h&]uh1hha/var/lib/git/docbuild/linux/Documentation/crypto/libcrypto-blockcipher:11: ./include/crypto/aes.hhKhjg hhubah}(h]h ]h"]h$]h&]uh1juhjhhhjhKubeh}(h]h ](jfunctioneh"]h$]h&]jjjj jj jjjuh1jhhhhhNhNubj)}(hX**Parameters** ``struct crypto_aes_ctx *ctx`` The location where the computed key will be stored. ``const u8 *in_key`` The supplied key. ``unsigned int key_len`` The length of the supplied key. **Description** Returns 0 on success. 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The first slot (16 bytes) of each key (enc or dec) is for the initial combination, the second slot for the first round and so on.h](h)}(h**Parameters**h]j)}(hj h]h Parameters}(hj hhhNhNubah}(h]h ]h"]h$]h&]uh1jhj ubah}(h]h ]h"]h$]h&]uh1hha/var/lib/git/docbuild/linux/Documentation/crypto/libcrypto-blockcipher:11: ./include/crypto/aes.hhKhj ubj)}(hhh](j)}(hS``struct crypto_aes_ctx *ctx`` The location where the computed key will be stored. h](j)}(h``struct crypto_aes_ctx *ctx``h]j)}(hj h]hstruct crypto_aes_ctx *ctx}(hj hhhNhNubah}(h]h ]h"]h$]h&]uh1jhj ubah}(h]h ]h"]h$]h&]uh1jha/var/lib/git/docbuild/linux/Documentation/crypto/libcrypto-blockcipher:11: ./include/crypto/aes.hhKhj ubj)}(hhh]h)}(h3The location where the computed key will be stored.h]h3The location where the computed key will be stored.}(hj hhhNhNubah}(h]h ]h"]h$]h&]uh1hhj hKhj ubah}(h]h ]h"]h$]h&]uh1jhj ubeh}(h]h ]h"]h$]h&]uh1jhj hKhj ubj)}(h'``const u8 *in_key`` The supplied key. h](j)}(h``const u8 *in_key``h]j)}(hj h]hconst u8 *in_key}(hj hhhNhNubah}(h]h ]h"]h$]h&]uh1jhj ubah}(h]h ]h"]h$]h&]uh1jha/var/lib/git/docbuild/linux/Documentation/crypto/libcrypto-blockcipher:11: ./include/crypto/aes.hhKhj ubj)}(hhh]h)}(hThe supplied key.h]hThe supplied key.}(hj hhhNhNubah}(h]h ]h"]h$]h&]uh1hhj hKhj ubah}(h]h ]h"]h$]h&]uh1jhj ubeh}(h]h ]h"]h$]h&]uh1jhj hKhj ubj)}(h9``unsigned int key_len`` The length of the supplied key. h](j)}(h``unsigned int key_len``h]j)}(hj h]hunsigned int key_len}(hj hhhNhNubah}(h]h ]h"]h$]h&]uh1jhj ubah}(h]h ]h"]h$]h&]uh1jha/var/lib/git/docbuild/linux/Documentation/crypto/libcrypto-blockcipher:11: ./include/crypto/aes.hhKhj ubj)}(hhh]h)}(hThe length of the supplied key.h]hThe length of the supplied key.}(hj6 hhhNhNubah}(h]h ]h"]h$]h&]uh1hhj2 hKhj3 ubah}(h]h ]h"]h$]h&]uh1jhj ubeh}(h]h ]h"]h$]h&]uh1jhj2 hKhj ubeh}(h]h ]h"]h$]h&]uh1jhj ubh)}(h**Description**h]j)}(hjX h]h Description}(hjZ hhhNhNubah}(h]h ]h"]h$]h&]uh1jhjV ubah}(h]h ]h"]h$]h&]uh1hha/var/lib/git/docbuild/linux/Documentation/crypto/libcrypto-blockcipher:11: ./include/crypto/aes.hhKhj ubh)}(hXReturns 0 on success. The function fails only if an invalid key size (or pointer) is supplied. The expanded key size is 240 bytes (max of 14 rounds with a unique 16 bytes key schedule plus a 16 bytes key which is used before the first round). The decryption key is prepared for the "Equivalent Inverse Cipher" as described in FIPS-197. The first slot (16 bytes) of each key (enc or dec) is for the initial combination, the second slot for the first round and so on.h]hXReturns 0 on success. The function fails only if an invalid key size (or pointer) is supplied. The expanded key size is 240 bytes (max of 14 rounds with a unique 16 bytes key schedule plus a 16 bytes key which is used before the first round). The decryption key is prepared for the “Equivalent Inverse Cipher” as described in FIPS-197. The first slot (16 bytes) of each key (enc or dec) is for the initial combination, the second slot for the first round and so on.}(hjn hhhNhNubah}(h]h ]h"]h$]h&]uh1hha/var/lib/git/docbuild/linux/Documentation/crypto/libcrypto-blockcipher:11: ./include/crypto/aes.hhKhj ubeh}(h]h ] kernelindentah"]h$]h&]uh1jhhhhhNhNubh)}(hhh]h}(h]h ]h"]h$]h&]entries](j aes_zeroize_ctx (C function)c.aes_zeroize_ctxhNtauh1hhhhhhNhNubj)}(hhh](j)}(h1void aes_zeroize_ctx (struct crypto_aes_ctx *ctx)h]j)}(h0void aes_zeroize_ctx(struct crypto_aes_ctx *ctx)h](j)}(hvoidh]hvoid}(hj hhhNhNubah}(h]h ]jah"]h$]h&]uh1jhj hhha/var/lib/git/docbuild/linux/Documentation/crypto/libcrypto-blockcipher:11: ./include/crypto/aes.hhKubj3)}(h h]h }(hj hhhNhNubah}(h]h ]j?ah"]h$]h&]uh1j2hj hhhj hKubjD)}(haes_zeroize_ctxh]jJ)}(haes_zeroize_ctxh]haes_zeroize_ctx}(hj hhhNhNubah}(h]h ]jUah"]h$]h&]uh1jIhj ubah}(h]h ](j\j]eh"]h$]h&]hhuh1jChj hhhj hKubj)}(h(struct crypto_aes_ctx *ctx)h]j)}(hstruct crypto_aes_ctx *ctxh](j!)}(hj$h]hstruct}(hj hhhNhNubah}(h]h ]j-ah"]h$]h&]uh1j hj ubj3)}(h h]h }(hj hhhNhNubah}(h]h ]j?ah"]h$]h&]uh1j2hj ubh)}(hhh]jJ)}(hcrypto_aes_ctxh]hcrypto_aes_ctx}(hj hhhNhNubah}(h]h ]jUah"]h$]h&]uh1jIhj ubah}(h]h ]h"]h$]h&] refdomainjreftypej1 reftargetj modnameN classnameNj5j8)}j;]j>)}j1j sbc.aes_zeroize_ctxasbuh1hhj ubj3)}(h h]h }(hj hhhNhNubah}(h]h ]j?ah"]h$]h&]uh1j2hj ubjR)}(hjUh]h*}(hj& hhhNhNubah}(h]h ]j^ah"]h$]h&]uh1jQhj ubjJ)}(hctxh]hctx}(hj3 hhhNhNubah}(h]h ]jUah"]h$]h&]uh1jIhj ubeh}(h]h ]h"]h$]h&]noemphhhuh1jhj ubah}(h]h ]h"]h$]h&]hhuh1jhj hhhj hKubeh}(h]h ]h"]h$]h&]hhjguh1jjhjihj hhhj hKubah}(h]j ah ](jmjneh"]h$]h&]jrjs)jthuh1jhj hKhj hhubjv)}(hhh]h)}(h Clear a crypto_aes_ctx structureh]h Clear a crypto_aes_ctx structure}(hj] hhhNhNubah}(h]h ]h"]h$]h&]uh1hha/var/lib/git/docbuild/linux/Documentation/crypto/libcrypto-blockcipher:11: ./include/crypto/aes.hhKhjZ hhubah}(h]h ]h"]h$]h&]uh1juhj hhhj hKubeh}(h]h ](jfunctioneh"]h$]h&]jjjju jju jjjuh1jhhhhhNhNubj)}(hXA**Parameters** ``struct crypto_aes_ctx *ctx`` The location of the context that should be zeroized **Description** Explicitly fills the crypto_aes_ctx with zeroes. This should be done once the context is not required anymore to avoid that its contents are leaked on the stack or heap (if not using kfree_sensitive()).h](h)}(h**Parameters**h]j)}(hj h]h Parameters}(hj hhhNhNubah}(h]h ]h"]h$]h&]uh1jhj} ubah}(h]h ]h"]h$]h&]uh1hha/var/lib/git/docbuild/linux/Documentation/crypto/libcrypto-blockcipher:11: ./include/crypto/aes.hhKhjy ubj)}(hhh]j)}(hS``struct crypto_aes_ctx *ctx`` The location of the context that should be zeroized h](j)}(h``struct crypto_aes_ctx *ctx``h]j)}(hj h]hstruct crypto_aes_ctx *ctx}(hj hhhNhNubah}(h]h ]h"]h$]h&]uh1jhj ubah}(h]h ]h"]h$]h&]uh1jha/var/lib/git/docbuild/linux/Documentation/crypto/libcrypto-blockcipher:11: ./include/crypto/aes.hhKhj ubj)}(hhh]h)}(h3The location of the context that should be zeroizedh]h3The location of the context that should be zeroized}(hj hhhNhNubah}(h]h ]h"]h$]h&]uh1hhj hKhj ubah}(h]h ]h"]h$]h&]uh1jhj ubeh}(h]h ]h"]h$]h&]uh1jhj hKhj ubah}(h]h ]h"]h$]h&]uh1jhjy ubh)}(h**Description**h]j)}(hj h]h Description}(hj hhhNhNubah}(h]h ]h"]h$]h&]uh1jhj ubah}(h]h ]h"]h$]h&]uh1hha/var/lib/git/docbuild/linux/Documentation/crypto/libcrypto-blockcipher:11: ./include/crypto/aes.hhKhjy ubh)}(hExplicitly fills the crypto_aes_ctx with zeroes. This should be done once the context is not required anymore to avoid that its contents are leaked on the stack or heap (if not using kfree_sensitive()).h]hExplicitly fills the crypto_aes_ctx with zeroes. This should be done once the context is not required anymore to avoid that its contents are leaked on the stack or heap (if not using kfree_sensitive()).}(hj hhhNhNubah}(h]h ]h"]h$]h&]uh1hha/var/lib/git/docbuild/linux/Documentation/crypto/libcrypto-blockcipher:11: ./include/crypto/aes.hhKhjy ubeh}(h]h ] kernelindentah"]h$]h&]uh1jhhhhhNhNubh)}(hhh]h}(h]h ]h"]h$]h&]entries](j aes_preparekey (C function)c.aes_preparekeyhNtauh1hhhhhhNhNubj)}(hhh](j)}(hJint aes_preparekey (struct aes_key *key, const u8 *in_key, size_t key_len)h]j)}(hIint aes_preparekey(struct aes_key *key, const u8 *in_key, size_t key_len)h](j)}(hinth]hint}(hj hhhNhNubah}(h]h ]jah"]h$]h&]uh1jhj hhha/var/lib/git/docbuild/linux/Documentation/crypto/libcrypto-blockcipher:11: ./include/crypto/aes.hhMXubj3)}(h h]h }(hj- hhhNhNubah}(h]h ]j?ah"]h$]h&]uh1j2hj hhhj, hMXubjD)}(haes_preparekeyh]jJ)}(haes_preparekeyh]haes_preparekey}(hj? hhhNhNubah}(h]h ]jUah"]h$]h&]uh1jIhj; ubah}(h]h ](j\j]eh"]h$]h&]hhuh1jChj hhhj, hMXubj)}(h7(struct aes_key *key, const u8 *in_key, size_t key_len)h](j)}(hstruct aes_key *keyh](j!)}(hj$h]hstruct}(hj[ hhhNhNubah}(h]h ]j-ah"]h$]h&]uh1j hjW ubj3)}(h h]h }(hjh hhhNhNubah}(h]h ]j?ah"]h$]h&]uh1j2hjW ubh)}(hhh]jJ)}(haes_keyh]haes_key}(hjy hhhNhNubah}(h]h ]jUah"]h$]h&]uh1jIhjv ubah}(h]h ]h"]h$]h&] refdomainjreftypej1 reftargetj{ modnameN classnameNj5j8)}j;]j>)}j1jA sbc.aes_preparekeyasbuh1hhjW ubj3)}(h h]h }(hj hhhNhNubah}(h]h ]j?ah"]h$]h&]uh1j2hjW ubjR)}(hjUh]h*}(hj hhhNhNubah}(h]h ]j^ah"]h$]h&]uh1jQhjW ubjJ)}(hkeyh]hkey}(hj hhhNhNubah}(h]h ]jUah"]h$]h&]uh1jIhjW ubeh}(h]h ]h"]h$]h&]noemphhhuh1jhjS ubj)}(hconst u8 *in_keyh](j!)}(hjh]hconst}(hj hhhNhNubah}(h]h ]j-ah"]h$]h&]uh1j hj ubj3)}(h h]h }(hj hhhNhNubah}(h]h ]j?ah"]h$]h&]uh1j2hj ubh)}(hhh]jJ)}(hu8h]hu8}(hj hhhNhNubah}(h]h ]jUah"]h$]h&]uh1jIhj ubah}(h]h ]h"]h$]h&] refdomainjreftypej1 reftargetj modnameN classnameNj5j8)}j;]j c.aes_preparekeyasbuh1hhj ubj3)}(h h]h }(hj hhhNhNubah}(h]h ]j?ah"]h$]h&]uh1j2hj ubjR)}(hjUh]h*}(hj hhhNhNubah}(h]h ]j^ah"]h$]h&]uh1jQhj ubjJ)}(hin_keyh]hin_key}(hj$ hhhNhNubah}(h]h ]jUah"]h$]h&]uh1jIhj ubeh}(h]h ]h"]h$]h&]noemphhhuh1jhjS ubj)}(hsize_t key_lenh](h)}(hhh]jJ)}(hsize_th]hsize_t}(hj@ hhhNhNubah}(h]h ]jUah"]h$]h&]uh1jIhj= ubah}(h]h ]h"]h$]h&] refdomainjreftypej1 reftargetjB modnameN classnameNj5j8)}j;]j c.aes_preparekeyasbuh1hhj9 ubj3)}(h h]h }(hj^ hhhNhNubah}(h]h ]j?ah"]h$]h&]uh1j2hj9 ubjJ)}(hkey_lenh]hkey_len}(hjl hhhNhNubah}(h]h ]jUah"]h$]h&]uh1jIhj9 ubeh}(h]h ]h"]h$]h&]noemphhhuh1jhjS ubeh}(h]h ]h"]h$]h&]hhuh1jhj hhhj, hMXubeh}(h]h ]h"]h$]h&]hhjguh1jjhjihj hhhj, hMXubah}(h]j ah ](jmjneh"]h$]h&]jrjs)jthuh1jhj, hMXhj hhubjv)}(hhh]h)}(h0Prepare an AES key for encryption and decryptionh]h0Prepare an AES key for encryption and decryption}(hj hhhNhNubah}(h]h ]h"]h$]h&]uh1hha/var/lib/git/docbuild/linux/Documentation/crypto/libcrypto-blockcipher:11: ./include/crypto/aes.hhMXhj hhubah}(h]h ]h"]h$]h&]uh1juhj hhhj, hMXubeh}(h]h ](jfunctioneh"]h$]h&]jjjj jj jjjuh1jhhhhhNhNubj)}(hX**Parameters** ``struct aes_key *key`` (output) The key structure to initialize ``const u8 *in_key`` The raw AES key ``size_t key_len`` Length of the raw key in bytes. 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Should be either AES_KEYSIZE_128, AES_KEYSIZE_192, or AES_KEYSIZE_256. h](j)}(h``size_t key_len``h]j)}(hjIh]hsize_t key_len}(hjKhhhNhNubah}(h]h ]h"]h$]h&]uh1jhjGubah}(h]h ]h"]h$]h&]uh1jha/var/lib/git/docbuild/linux/Documentation/crypto/libcrypto-blockcipher:11: ./include/crypto/aes.hhM\hjCubj)}(hhh]h)}(hgLength of the raw key in bytes. Should be either AES_KEYSIZE_128, AES_KEYSIZE_192, or AES_KEYSIZE_256.h]hgLength of the raw key in bytes. Should be either AES_KEYSIZE_128, AES_KEYSIZE_192, or AES_KEYSIZE_256.}(hjbhhhNhNubah}(h]h ]h"]h$]h&]uh1hha/var/lib/git/docbuild/linux/Documentation/crypto/libcrypto-blockcipher:11: ./include/crypto/aes.hhM[hj_ubah}(h]h ]h"]h$]h&]uh1jhjCubeh}(h]h ]h"]h$]h&]uh1jhj^hM\hj ubeh}(h]h ]h"]h$]h&]uh1jhj ubh)}(h**Description**h]j)}(hjh]h Description}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1jhjubah}(h]h ]h"]h$]h&]uh1hha/var/lib/git/docbuild/linux/Documentation/crypto/libcrypto-blockcipher:11: ./include/crypto/aes.hhM^hj ubh)}(hX/This prepares an AES key for both the encryption and decryption directions of the block cipher. Typically this involves expanding the raw key into both the standard round keys and the Equivalent Inverse Cipher round keys, but some architecture-specific implementations don't do the full expansion here.h]hX1This prepares an AES key for both the encryption and decryption directions of the block cipher. Typically this involves expanding the raw key into both the standard round keys and the Equivalent Inverse Cipher round keys, but some architecture-specific implementations don’t do the full expansion here.}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hha/var/lib/git/docbuild/linux/Documentation/crypto/libcrypto-blockcipher:11: ./include/crypto/aes.hhM]hj ubh)}(hoThe caller is responsible for zeroizing both the struct aes_key and the raw key once they are no longer needed.h]hoThe caller is responsible for zeroizing both the struct aes_key and the raw key once they are no longer needed.}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hha/var/lib/git/docbuild/linux/Documentation/crypto/libcrypto-blockcipher:11: ./include/crypto/aes.hhMbhj ubh)}(hFIf you don't need decryption support, use aes_prepareenckey() instead.h]hHIf you don’t need decryption support, use aes_prepareenckey() instead.}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hha/var/lib/git/docbuild/linux/Documentation/crypto/libcrypto-blockcipher:11: ./include/crypto/aes.hhMehj ubh)}(h **Return**h]j)}(hjh]hReturn}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1jhjubah}(h]h ]h"]h$]h&]uh1hha/var/lib/git/docbuild/linux/Documentation/crypto/libcrypto-blockcipher:11: ./include/crypto/aes.hhMghj ubh)}(h0 on success or -EINVAL if the given key length is invalid. 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No other errors are possible, so callers that always pass a valid key length don’t need to check for errors.}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hha/var/lib/git/docbuild/linux/Documentation/crypto/libcrypto-blockcipher:11: ./include/crypto/aes.hhMhhj ubh)}(h **Context**h]j)}(hjh]hContext}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1jhjubah}(h]h ]h"]h$]h&]uh1hha/var/lib/git/docbuild/linux/Documentation/crypto/libcrypto-blockcipher:11: ./include/crypto/aes.hhMlhj ubh)}(h Any context.h]h Any context.}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hha/var/lib/git/docbuild/linux/Documentation/crypto/libcrypto-blockcipher:11: ./include/crypto/aes.hhMlhj ubeh}(h]h ] kernelindentah"]h$]h&]uh1jhhhhhNhNubh)}(hhh]h}(h]h ]h"]h$]h&]entries](j aes_prepareenckey (C function)c.aes_prepareenckeyhNtauh1hhhhhhNhNubj)}(hhh](j)}(hPint aes_prepareenckey (struct aes_enckey *key, const u8 *in_key, size_t key_len)h]j)}(hOint aes_prepareenckey(struct aes_enckey *key, const u8 *in_key, size_t key_len)h](j)}(hinth]hint}(hj6hhhNhNubah}(h]h ]jah"]h$]h&]uh1jhj2hhha/var/lib/git/docbuild/linux/Documentation/crypto/libcrypto-blockcipher:11: ./include/crypto/aes.hhMqubj3)}(h h]h }(hjEhhhNhNubah}(h]h ]j?ah"]h$]h&]uh1j2hj2hhhjDhMqubjD)}(haes_prepareenckeyh]jJ)}(haes_prepareenckeyh]haes_prepareenckey}(hjWhhhNhNubah}(h]h ]jUah"]h$]h&]uh1jIhjSubah}(h]h ](j\j]eh"]h$]h&]hhuh1jChj2hhhjDhMqubj)}(h:(struct aes_enckey *key, const u8 *in_key, size_t key_len)h](j)}(hstruct aes_enckey *keyh](j!)}(hj$h]hstruct}(hjshhhNhNubah}(h]h ]j-ah"]h$]h&]uh1j hjoubj3)}(h h]h }(hjhhhNhNubah}(h]h ]j?ah"]h$]h&]uh1j2hjoubh)}(hhh]jJ)}(h aes_enckeyh]h aes_enckey}(hjhhhNhNubah}(h]h ]jUah"]h$]h&]uh1jIhjubah}(h]h ]h"]h$]h&] refdomainjreftypej1 reftargetjmodnameN classnameNj5j8)}j;]j>)}j1jYsbc.aes_prepareenckeyasbuh1hhjoubj3)}(h h]h }(hjhhhNhNubah}(h]h ]j?ah"]h$]h&]uh1j2hjoubjR)}(hjUh]h*}(hjhhhNhNubah}(h]h ]j^ah"]h$]h&]uh1jQhjoubjJ)}(hkeyh]hkey}(hjhhhNhNubah}(h]h ]jUah"]h$]h&]uh1jIhjoubeh}(h]h ]h"]h$]h&]noemphhhuh1jhjkubj)}(hconst u8 *in_keyh](j!)}(hjh]hconst}(hjhhhNhNubah}(h]h ]j-ah"]h$]h&]uh1j hjubj3)}(h h]h }(hjhhhNhNubah}(h]h ]j?ah"]h$]h&]uh1j2hjubh)}(hhh]jJ)}(hu8h]hu8}(hjhhhNhNubah}(h]h ]jUah"]h$]h&]uh1jIhjubah}(h]h ]h"]h$]h&] refdomainjreftypej1 reftargetjmodnameN classnameNj5j8)}j;]jc.aes_prepareenckeyasbuh1hhjubj3)}(h h]h }(hj!hhhNhNubah}(h]h ]j?ah"]h$]h&]uh1j2hjubjR)}(hjUh]h*}(hj/hhhNhNubah}(h]h ]j^ah"]h$]h&]uh1jQhjubjJ)}(hin_keyh]hin_key}(hj<hhhNhNubah}(h]h ]jUah"]h$]h&]uh1jIhjubeh}(h]h ]h"]h$]h&]noemphhhuh1jhjkubj)}(hsize_t key_lenh](h)}(hhh]jJ)}(hsize_th]hsize_t}(hjXhhhNhNubah}(h]h ]jUah"]h$]h&]uh1jIhjUubah}(h]h ]h"]h$]h&] refdomainjreftypej1 reftargetjZmodnameN classnameNj5j8)}j;]jc.aes_prepareenckeyasbuh1hhjQubj3)}(h h]h }(hjvhhhNhNubah}(h]h ]j?ah"]h$]h&]uh1j2hjQubjJ)}(hkey_lenh]hkey_len}(hjhhhNhNubah}(h]h ]jUah"]h$]h&]uh1jIhjQubeh}(h]h ]h"]h$]h&]noemphhhuh1jhjkubeh}(h]h ]h"]h$]h&]hhuh1jhj2hhhjDhMqubeh}(h]h ]h"]h$]h&]hhjguh1jjhjihj.hhhjDhMqubah}(h]j)ah ](jmjneh"]h$]h&]jrjs)jthuh1jhjDhMqhj+hhubjv)}(hhh]h)}(h&Prepare an AES key for encryption-onlyh]h&Prepare an AES key for encryption-only}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hha/var/lib/git/docbuild/linux/Documentation/crypto/libcrypto-blockcipher:11: ./include/crypto/aes.hhMqhjhhubah}(h]h ]h"]h$]h&]uh1juhj+hhhjDhMqubeh}(h]h ](jfunctioneh"]h$]h&]jjjjjjjjjuh1jhhhhhNhNubj)}(hX **Parameters** ``struct aes_enckey *key`` (output) The key structure to initialize ``const u8 *in_key`` The raw AES key ``size_t key_len`` Length of the raw key in bytes. Should be either AES_KEYSIZE_128, AES_KEYSIZE_192, or AES_KEYSIZE_256. **Description** This prepares an AES key for only the encryption direction of the block cipher. Typically this involves expanding the raw key into only the standard round keys, resulting in a struct about half the size of struct aes_key. The caller is responsible for zeroizing both the struct aes_enckey and the raw key once they are no longer needed. Note that while the resulting prepared key supports only AES encryption, it can still be used for decrypting in a mode of operation that uses AES in only the encryption (forward) direction, for example counter mode. **Return** 0 on success or -EINVAL if the given key length is invalid. No other errors are possible, so callers that always pass a valid key length don't need to check for errors. **Context** Any context.h](h)}(h**Parameters**h]j)}(hjh]h Parameters}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1jhjubah}(h]h ]h"]h$]h&]uh1hha/var/lib/git/docbuild/linux/Documentation/crypto/libcrypto-blockcipher:11: ./include/crypto/aes.hhMuhjubj)}(hhh](j)}(hD``struct aes_enckey *key`` (output) The key structure to initialize h](j)}(h``struct aes_enckey *key``h]j)}(hjh]hstruct aes_enckey *key}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1jhjubah}(h]h ]h"]h$]h&]uh1jha/var/lib/git/docbuild/linux/Documentation/crypto/libcrypto-blockcipher:11: ./include/crypto/aes.hhMrhjubj)}(hhh]h)}(h((output) The key structure to initializeh]h((output) The key structure to initialize}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhjhMrhjubah}(h]h ]h"]h$]h&]uh1jhjubeh}(h]h ]h"]h$]h&]uh1jhjhMrhjubj)}(h%``const u8 *in_key`` The raw AES key h](j)}(h``const u8 *in_key``h]j)}(hj(h]hconst u8 *in_key}(hj*hhhNhNubah}(h]h ]h"]h$]h&]uh1jhj&ubah}(h]h ]h"]h$]h&]uh1jha/var/lib/git/docbuild/linux/Documentation/crypto/libcrypto-blockcipher:11: ./include/crypto/aes.hhMshj"ubj)}(hhh]h)}(hThe raw AES keyh]hThe raw AES key}(hjAhhhNhNubah}(h]h ]h"]h$]h&]uh1hhj=hMshj>ubah}(h]h ]h"]h$]h&]uh1jhj"ubeh}(h]h ]h"]h$]h&]uh1jhj=hMshjubj)}(h{``size_t key_len`` Length of the raw key in bytes. Should be either AES_KEYSIZE_128, AES_KEYSIZE_192, or AES_KEYSIZE_256. h](j)}(h``size_t key_len``h]j)}(hjah]hsize_t key_len}(hjchhhNhNubah}(h]h ]h"]h$]h&]uh1jhj_ubah}(h]h ]h"]h$]h&]uh1jha/var/lib/git/docbuild/linux/Documentation/crypto/libcrypto-blockcipher:11: ./include/crypto/aes.hhMuhj[ubj)}(hhh]h)}(hgLength of the raw key in bytes. Should be either AES_KEYSIZE_128, AES_KEYSIZE_192, or AES_KEYSIZE_256.h]hgLength of the raw key in bytes. Should be either AES_KEYSIZE_128, AES_KEYSIZE_192, or AES_KEYSIZE_256.}(hjzhhhNhNubah}(h]h ]h"]h$]h&]uh1hha/var/lib/git/docbuild/linux/Documentation/crypto/libcrypto-blockcipher:11: ./include/crypto/aes.hhMthjwubah}(h]h ]h"]h$]h&]uh1jhj[ubeh}(h]h ]h"]h$]h&]uh1jhjvhMuhjubeh}(h]h ]h"]h$]h&]uh1jhjubh)}(h**Description**h]j)}(hjh]h Description}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1jhjubah}(h]h ]h"]h$]h&]uh1hha/var/lib/git/docbuild/linux/Documentation/crypto/libcrypto-blockcipher:11: ./include/crypto/aes.hhMwhjubh)}(hThis prepares an AES key for only the encryption direction of the block cipher. Typically this involves expanding the raw key into only the standard round keys, resulting in a struct about half the size of struct aes_key.h]hThis prepares an AES key for only the encryption direction of the block cipher. Typically this involves expanding the raw key into only the standard round keys, resulting in a struct about half the size of struct aes_key.}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hha/var/lib/git/docbuild/linux/Documentation/crypto/libcrypto-blockcipher:11: ./include/crypto/aes.hhMvhjubh)}(hrThe caller is responsible for zeroizing both the struct aes_enckey and the raw key once they are no longer needed.h]hrThe caller is responsible for zeroizing both the struct aes_enckey and the raw key once they are no longer needed.}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hha/var/lib/git/docbuild/linux/Documentation/crypto/libcrypto-blockcipher:11: ./include/crypto/aes.hhMzhjubh)}(hNote that while the resulting prepared key supports only AES encryption, it can still be used for decrypting in a mode of operation that uses AES in only the encryption (forward) direction, for example counter mode.h]hNote that while the resulting prepared key supports only AES encryption, it can still be used for decrypting in a mode of operation that uses AES in only the encryption (forward) direction, for example counter mode.}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hha/var/lib/git/docbuild/linux/Documentation/crypto/libcrypto-blockcipher:11: ./include/crypto/aes.hhM}hjubh)}(h **Return**h]j)}(hjh]hReturn}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1jhjubah}(h]h ]h"]h$]h&]uh1hha/var/lib/git/docbuild/linux/Documentation/crypto/libcrypto-blockcipher:11: ./include/crypto/aes.hhMhjubh)}(h0 on success or -EINVAL if the given key length is invalid. No other errors are possible, so callers that always pass a valid key length don't need to check for errors.h]h0 on success or -EINVAL if the given key length is invalid. No other errors are possible, so callers that always pass a valid key length don’t need to check for errors.}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hha/var/lib/git/docbuild/linux/Documentation/crypto/libcrypto-blockcipher:11: ./include/crypto/aes.hhMhjubh)}(h **Context**h]j)}(hj h]hContext}(hj hhhNhNubah}(h]h ]h"]h$]h&]uh1jhjubah}(h]h ]h"]h$]h&]uh1hha/var/lib/git/docbuild/linux/Documentation/crypto/libcrypto-blockcipher:11: ./include/crypto/aes.hhMhjubh)}(h Any context.h]h Any context.}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hha/var/lib/git/docbuild/linux/Documentation/crypto/libcrypto-blockcipher:11: ./include/crypto/aes.hhMhjubeh}(h]h ] kernelindentah"]h$]h&]uh1jhhhhhNhNubh)}(hhh]h}(h]h ]h"]h$]h&]entries](j aes_encrypt (C function) c.aes_encrypthNtauh1hhhhhhNhNubj)}(hhh](j)}(hivoid aes_encrypt (aes_encrypt_arg key, u8 out[static AES_BLOCK_SIZE], const u8 in[static AES_BLOCK_SIZE])h]j)}(hhvoid aes_encrypt(aes_encrypt_arg key, u8 out[static AES_BLOCK_SIZE], const u8 in[static AES_BLOCK_SIZE])h](j)}(hvoidh]hvoid}(hjNhhhNhNubah}(h]h ]jah"]h$]h&]uh1jhjJhhha/var/lib/git/docbuild/linux/Documentation/crypto/libcrypto-blockcipher:11: ./include/crypto/aes.hhMubj3)}(h h]h }(hj]hhhNhNubah}(h]h ]j?ah"]h$]h&]uh1j2hjJhhhj\hMubjD)}(h aes_encrypth]jJ)}(h aes_encrypth]h aes_encrypt}(hjohhhNhNubah}(h]h ]jUah"]h$]h&]uh1jIhjkubah}(h]h ](j\j]eh"]h$]h&]hhuh1jChjJhhhj\hMubj)}(hX(aes_encrypt_arg key, u8 out[static AES_BLOCK_SIZE], const u8 in[static AES_BLOCK_SIZE])h](j)}(haes_encrypt_arg keyh](h)}(hhh]jJ)}(haes_encrypt_argh]haes_encrypt_arg}(hjhhhNhNubah}(h]h ]jUah"]h$]h&]uh1jIhjubah}(h]h ]h"]h$]h&] refdomainjreftypej1 reftargetjmodnameN classnameNj5j8)}j;]j>)}j1jqsb c.aes_encryptasbuh1hhjubj3)}(h h]h }(hjhhhNhNubah}(h]h ]j?ah"]h$]h&]uh1j2hjubjJ)}(hkeyh]hkey}(hjhhhNhNubah}(h]h ]jUah"]h$]h&]uh1jIhjubeh}(h]h ]h"]h$]h&]noemphhhuh1jhjubj)}(hu8 out[static AES_BLOCK_SIZE]h](h)}(hhh]jJ)}(hu8h]hu8}(hjhhhNhNubah}(h]h ]jUah"]h$]h&]uh1jIhjubah}(h]h ]h"]h$]h&] refdomainjreftypej1 reftargetjmodnameN classnameNj5j8)}j;]j c.aes_encryptasbuh1hhjubj3)}(h h]h }(hjhhhNhNubah}(h]h ]j?ah"]h$]h&]uh1j2hjubjJ)}(houth]hout}(hjhhhNhNubah}(h]h ]jUah"]h$]h&]uh1jIhjubjR)}(h[h]h[}(hjhhhNhNubah}(h]h ]j^ah"]h$]h&]uh1jQhjubj!)}(hstatich]hstatic}(hj hhhNhNubah}(h]h ]j-ah"]h$]h&]uh1j hjubj3)}(h h]h }(hj.hhhNhNubah}(hn]h ]j?ah"]h$]h&]uh1j2hjubh)}(hhh]jJ)}(hAES_BLOCK_SIZEh]hAES_BLOCK_SIZE}(hj?hhhNhNubah}(h]h ]jUah"]h$]h&]uh1jIhj<ubah}(h]h ]h"]h$]h&] refdomainjreftypej1 reftargetjAmodnameN classnameNj5j8)}j;]j c.aes_encryptasbuh1hhjubjR)}(h]h]h]}(hj]hhhNhNubah}(h]h ]j^ah"]h$]h&]uh1jQhjubeh}(h]h ]h"]h$]h&]noemphhhuh1jhjubj)}(h"const u8 in[static AES_BLOCK_SIZE]h](j!)}(hjh]hconst}(hjvhhhNhNubah}(h]h ]j-ah"]h$]h&]uh1j hjrubj3)}(h h]h }(hjhhhNhNubah}(h]h ]j?ah"]h$]h&]uh1j2hjrubh)}(hhh]jJ)}(hu8h]hu8}(hjhhhNhNubah}(h]h ]jUah"]h$]h&]uh1jIhjubah}(h]h ]h"]h$]h&] refdomainjreftypej1 reftargetjmodnameN classnameNj5j8)}j;]j c.aes_encryptasbuh1hhjrubj3)}(h h]h }(hjhhhNhNubah}(h]h ]j?ah"]h$]h&]uh1j2hjrubjJ)}(hinh]hin}(hjhhhNhNubah}(h]h ]jUah"]h$]h&]uh1jIhjrubjR)}(hjh]h[}(hjhhhNhNubah}(h]h ]j^ah"]h$]h&]uh1jQhjrubj!)}(hj"h]hstatic}(hjhhhNhNubah}(h]h ]j-ah"]h$]h&]uh1j hjrubj3)}(h h]h }(hjhhhNhNubah}(h]h ]j?ah"]h$]h&]uh1j2hjrubh)}(hhh]jJ)}(hAES_BLOCK_SIZEh]hAES_BLOCK_SIZE}(hjhhhNhNubah}(h]h ]jUah"]h$]h&]uh1jIhjubah}(h]h ]h"]h$]h&] refdomainjreftypej1 reftargetjmodnameN classnameNj5j8)}j;]j c.aes_encryptasbuh1hhjrubjR)}(hj_h]h]}(hjhhhNhNubah}(h]h ]j^ah"]h$]h&]uh1jQhjrubeh}(h]h ]h"]h$]h&]noemphhhuh1jhjubeh}(h]h ]h"]h$]h&]hhuh1jhjJhhhj\hMubeh}(h]h ]h"]h$]h&]hhjguh1jjhjihjFhhhj\hMubah}(h]jAah ](jmjneh"]h$]h&]jrjs)jthuh1jhj\hMhjChhubjv)}(hhh]h)}(hEncrypt a single AES blockh]hEncrypt a single AES block}(hj@hhhNhNubah}(h]h ]h"]h$]h&]uh1hha/var/lib/git/docbuild/linux/Documentation/crypto/libcrypto-blockcipher:11: ./include/crypto/aes.hhMhj=hhubah}(h]h ]h"]h$]h&]uh1juhjChhhj\hMubeh}(h]h ](jfunctioneh"]h$]h&]jjjjXjjXjjjuh1jhhhhhNhNubj)}(hX^**Parameters** ``aes_encrypt_arg key`` The AES key, as a pointer to either an encryption-only key (struct aes_enckey) or a full, bidirectional key (struct aes_key). ``u8 out[static AES_BLOCK_SIZE]`` Buffer to store the ciphertext block ``const u8 in[static AES_BLOCK_SIZE]`` Buffer containing the plaintext block **Context** Any context.h](h)}(h**Parameters**h]j)}(hjbh]h Parameters}(hjdhhhNhNubah}(h]h ]h"]h$]h&]uh1jhj`ubah}(h]h ]h"]h$]h&]uh1hha/var/lib/git/docbuild/linux/Documentation/crypto/libcrypto-blockcipher:11: ./include/crypto/aes.hhMhj\ubj)}(hhh](j)}(h``aes_encrypt_arg key`` The AES key, as a pointer to either an encryption-only key (struct aes_enckey) or a full, bidirectional key (struct aes_key). h](j)}(h``aes_encrypt_arg key``h]j)}(hjh]haes_encrypt_arg key}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1jhjubah}(h]h ]h"]h$]h&]uh1jha/var/lib/git/docbuild/linux/Documentation/crypto/libcrypto-blockcipher:11: ./include/crypto/aes.hhMhj{ubj)}(hhh]h)}(h}The AES key, as a pointer to either an encryption-only key (struct aes_enckey) or a full, bidirectional key (struct aes_key).h]h}The AES key, as a pointer to either an encryption-only key (struct aes_enckey) or a full, bidirectional key (struct aes_key).}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hha/var/lib/git/docbuild/linux/Documentation/crypto/libcrypto-blockcipher:11: ./include/crypto/aes.hhMhjubah}(h]h ]h"]h$]h&]uh1jhj{ubeh}(h]h ]h"]h$]h&]uh1jhjhMhjxubj)}(hG``u8 out[static AES_BLOCK_SIZE]`` Buffer to store the ciphertext block h](j)}(h!``u8 out[static AES_BLOCK_SIZE]``h]j)}(hjh]hu8 out[static AES_BLOCK_SIZE]}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1jhjubah}(h]h ]h"]h$]h&]uh1jha/var/lib/git/docbuild/linux/Documentation/crypto/libcrypto-blockcipher:11: ./include/crypto/aes.hhMhjubj)}(hhh]h)}(h$Buffer to store the ciphertext blockh]h$Buffer to store the ciphertext block}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhjhMhjubah}(h]h ]h"]h$]h&]uh1jhjubeh}(h]h ]h"]h$]h&]uh1jhjhMhjxubj)}(hM``const u8 in[static AES_BLOCK_SIZE]`` Buffer containing the plaintext block h](j)}(h&``const u8 in[static 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(const struct aes_key *key, u8 out[static AES_BLOCK_SIZE], const u8 in[static AES_BLOCK_SIZE])h]j)}(hnvoid aes_decrypt(const struct aes_key *key, u8 out[static AES_BLOCK_SIZE], const u8 in[static AES_BLOCK_SIZE])h](j)}(hvoidh]hvoid}(hjthhhNhNubah}(h]h ]jah"]h$]h&]uh1jhjphhha/var/lib/git/docbuild/linux/Documentation/crypto/libcrypto-blockcipher:11: ./include/crypto/aes.hhMubj3)}(h h]h }(hjhhhNhNubah}(h]h ]j?ah"]h$]h&]uh1j2hjphhhjhMubjD)}(h aes_decrypth]jJ)}(h aes_decrypth]h aes_decrypt}(hjhhhNhNubah}(h]h ]jUah"]h$]h&]uh1jIhjubah}(h]h ](j\j]eh"]h$]h&]hhuh1jChjphhhjhMubj)}(h^(const struct aes_key *key, u8 out[static AES_BLOCK_SIZE], const u8 in[static AES_BLOCK_SIZE])h](j)}(hconst struct aes_key *keyh](j!)}(hjh]hconst}(hjhhhNhNubah}(h]h ]j-ah"]h$]h&]uh1j hjubj3)}(h h]h }(hjhhhNhNubah}(h]h ]j?ah"]h$]h&]uh1j2hjubj!)}(hj$h]hstruct}(hjhhhNhNubah}(h]h ]j-ah"]h$]h&]uh1j hjubj3)}(h h]h }(hjhhhNhNubah}(h]h ]j?ah"]h$]h&]uh1j2hjubh)}(hhh]jJ)}(haes_keyh]haes_key}(hjhhhNhNubah}(h]h ]jUah"]h$]h&]uh1jIhjubah}(h]h ]h"]h$]h&] refdomainjreftypej1 reftargetjmodnameN classnameNj5j8)}j;]j>)}j1jsb c.aes_decryptasbuh1hhjubj3)}(h h]h }(hj hhhNhNubah}(h]h ]j?ah"]h$]h&]uh1j2hjubjR)}(hjUh]h*}(hjhhhNhNubah}(h]h ]j^ah"]h$]h&]uh1jQhjubjJ)}(hkeyh]hkey}(hj%hhhNhNubah}(h]h ]jUah"]h$]h&]uh1jIhjubeh}(h]h ]h"]h$]h&]noemphhhuh1jhjubj)}(hu8 out[static AES_BLOCK_SIZE]h](h)}(hhh]jJ)}(hu8h]hu8}(hjAhhhNhNubah}(h]h ]jUah"]h$]h&]uh1jIhj>ubah}(h]h ]h"]h$]h&] refdomainjreftypej1 reftargetjCmodnameN classnameNj5j8)}j;]j c.aes_decryptasbuh1hhj:ubj3)}(h h]h }(hj_hhhNhNubah}(h]h ]j?ah"]h$]h&]uh1j2hj:ubjJ)}(houth]hout}(hjmhhhNhNubah}(h]h ]jUah"]h$]h&]uh1jIhj:ubjR)}(hjh]h[}(hj{hhhNhNubah}(h]h ]j^ah"]h$]h&]uh1jQhj:ubj!)}(hj"h]hstatic}(hjhhhNhNubah}(h]h ]j-ah"]h$]h&]uh1j hj:ubj3)}(h h]h }(hjhhhNhNubah}(h]h ]j?ah"]h$]h&]uh1j2hj:ubh)}(hhh]jJ)}(hAES_BLOCK_SIZEh]hAES_BLOCK_SIZE}(hjhhhNhNubah}(h]h ]jUah"]h$]h&]uh1jIhjubah}(h]h ]h"]h$]h&] refdomainjreftypej1 reftargetjmodnameN classnameNj5j8)}j;]j c.aes_decryptasbuh1hhj:ubjR)}(hj_h]h]}(hjhhhNhNubah}(h]h ]j^ah"]h$]h&]uh1jQhj:ubeh}(h]h ]h"]h$]h&]noemphhhuh1jhjubj)}(h"const u8 in[static AES_BLOCK_SIZE]h](j!)}(hjh]hconst}(hjhhhNhNubah}(h]h ]j-ah"]h$]h&]uh1j hjubj3)}(h h]h }(hjhhhNhNubah}(h]h ]j?ah"]h$]h&]uh1j2hjubh)}(hhh]jJ)}(hu8h]hu8}(hjhhhNhNubah}(h]h ]jUah"]h$]h&]uh1jIhjubah}(h]h ]h"]h$]h&] refdomainjreftypej1 reftargetjmodnameN classnameNj5j8)}j;]j c.aes_decryptasbuh1hhjubj3)}(h h]h }(hjhhhNhNubah}(h]h ]j?ah"]h$]h&]uh1j2hjubjJ)}(hinh]hin}(hj&hhhNhNubah}(h]h ]jUah"]h$]h&]uh1jIhjubjR)}(hjh]h[}(hj4hhhNhNubah}(h]h ]j^ah"]h$]h&]uh1jQhjubj!)}(hj"h]hstatic}(hjAhhhNhNubah}(h]h ]j-ah"]h$]h&]uh1j hjubj3)}(h h]h }(hjNhhhNhNubah}(h]h ]j?ah"]h$]h&]uh1j2hjubh)}(hhh]jJ)}(hAES_BLOCK_SIZEh]hAES_BLOCK_SIZE}(hj_hhhNhNubah}(h]h ]jUah"]h$]h&]uh1jIhj\ubah}(h]h ]h"]h$]h&] refdomainjreftypej1 reftargetjamodnameN classnameNj5j8)}j;]j c.aes_decryptasbuh1hhjubjR)}(hj_h]h]}(hj}hhhNhNubah}(h]h ]j^ah"]h$]h&]uh1jQhjubeh}(h]h ]h"]h$]h&]noemphhhuh1jhjubeh}(h]h ]h"]h$]h&]hhuh1jhjphhhjhMubeh}(h]h ]h"]h$]h&]hhjguh1jjhjihjlhhhjhMubah}(h]jgah ](jmjneh"]h$]h&]jrjs)jthuh1jhjhMhjihhubjv)}(hhh]h)}(hDecrypt a single AES blockh]hDecrypt a single AES block}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hha/var/lib/git/docbuild/linux/Documentation/crypto/libcrypto-blockcipher:11: ./include/crypto/aes.hhMhjhhubah}(h]h ]h"]h$]h&]uh1juhjihhhjhMubeh}(h]h ](jfunctioneh"]h$]h&]jjjjjjjjjuh1jhhhhhNhNubj)}(hX**Parameters** ``const struct aes_key *key`` The AES key, previously initialized by aes_preparekey() ``u8 out[static AES_BLOCK_SIZE]`` Buffer to store the plaintext block ``const u8 in[static AES_BLOCK_SIZE]`` Buffer containing the ciphertext block **Context** Any context.h](h)}(h**Parameters**h]j)}(hjh]h Parameters}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1jhjubah}(h]h ]h"]h$]h&]uh1hha/var/lib/git/docbuild/linux/Documentation/crypto/libcrypto-blockcipher:11: ./include/crypto/aes.hhMhjubj)}(hhh](j)}(hV``const struct aes_key *key`` The AES key, previously initialized by aes_preparekey() h](j)}(h``const struct aes_key *key``h]j)}(hjh]hconst struct aes_key *key}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1jhjubah}(h]h ]h"]h$]h&]uh1jha/var/lib/git/docbuild/linux/Documentation/crypto/libcrypto-blockcipher:11: ./include/crypto/aes.hhMhjubj)}(hhh]h)}(h7The AES key, previously initialized by aes_preparekey()h]h7The AES key, previously initialized by aes_preparekey()}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhjhMhjubah}(h]h ]h"]h$]h&]uh1jhjubeh}(h]h ]h"]h$]h&]uh1jhjhMhjubj)}(hF``u8 out[static AES_BLOCK_SIZE]`` Buffer to store the plaintext block h](j)}(h!``u8 out[static AES_BLOCK_SIZE]``h]j)}(hj h]hu8 out[static AES_BLOCK_SIZE]}(hj"hhhNhNubah}(h]h ]h"]h$]h&]uh1jhjubah}(h]h ]h"]h$]h&]uh1jha/var/lib/git/docbuild/linux/Documentation/crypto/libcrypto-blockcipher:11: ./include/crypto/aes.hhMhjubj)}(hhh]h)}(h#Buffer to store the plaintext blockh]h#Buffer to store the plaintext block}(hj9hhhNhNubah}(h]h ]h"]h$]h&]uh1hhj5hMhj6ubah}(h]h ]h"]h$]h&]uh1jhjubeh}(h]h ]h"]h$]h&]uh1jhj5hMhjubj)}(hN``const u8 in[static AES_BLOCK_SIZE]`` Buffer containing the ciphertext block h](j)}(h&``const u8 in[static AES_BLOCK_SIZE]``h]j)}(hjYh]h"const u8 in[static AES_BLOCK_SIZE]}(hj[hhhNhNubah}(h]h ]h"]h$]h&]uh1jhjWubah}(h]h ]h"]h$]h&]uh1jha/var/lib/git/docbuild/linux/Documentation/crypto/libcrypto-blockcipher:11: ./include/crypto/aes.hhMhjSubj)}(hhh]h)}(h&Buffer containing the ciphertext blockh]h&Buffer containing the ciphertext block}(hjrhhhNhNubah}(h]h ]h"]h$]h&]uh1hhjnhMhjoubah}(h]h ]h"]h$]h&]uh1jhjSubeh}(h]h ]h"]h$]h&]uh1jhjnhMhjubeh}(h]h ]h"]h$]h&]uh1jhjubh)}(h **Context**h]j)}(hjh]hContext}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1jhjubah}(h]h ]h"]h$]h&]uh1hha/var/lib/git/docbuild/linux/Documentation/crypto/libcrypto-blockcipher:11: ./include/crypto/aes.hhMhjubh)}(h Any context.h]h Any context.}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hha/var/lib/git/docbuild/linux/Documentation/crypto/libcrypto-blockcipher:11: ./include/crypto/aes.hhMhjubeh}(h]h ] kernelindentah"]h$]h&]uh1jhhhhhNhNubeh}(h]aesah ]h"]aesah$]h&]uh1hhhhhhhhKubh)}(hhh](h)}(hDESh]hDES}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhjhhhhhKubh)}(hThis API provides support for the DES block cipher. 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This algorithm is obsolete and is supported only for backwards compatibility.}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhKhjhhubh)}(hhh]h}(h]h ]h"]h$]h&]entries](j des_expand_key (C function)c.des_expand_keyhNtauh1hhjhhhNhNubj)}(hhh](j)}(hLint des_expand_key (struct des_ctx *ctx, const u8 *key, unsigned int keylen)h]j)}(hKint des_expand_key(struct des_ctx *ctx, const u8 *key, unsigned int keylen)h](j)}(hinth]hint}(hjhhhNhNubah}(h]h ]jah"]h$]h&]uh1jhjhhha/var/lib/git/docbuild/linux/Documentation/crypto/libcrypto-blockcipher:19: ./include/crypto/des.hhK"ubj3)}(h h]h }(hjhhhNhNubah}(h]h ]j?ah"]h$]h&]uh1j2hjhhhjhK"ubjD)}(hdes_expand_keyh]jJ)}(hdes_expand_keyh]hdes_expand_key}(hj!hhhNhNubah}(h]h ]jUah"]h$]h&]uh1jIhjubah}(h]h ](j\j]eh"]h$]h&]hhuh1jChjhhhjhK"ubj)}(h9(struct des_ctx *ctx, const u8 *key, unsigned int keylen)h](j)}(hstruct des_ctx *ctxh](j!)}(hj$h]hstruct}(hj=hhhNhNubah}(h]h ]j-ah"]h$]h&]uh1j hj9ubj3)}(h h]h }(hjJhhhNhNubah}(h]h ]j?ah"]h$]h&]uh1j2hj9ubh)}(hhh]jJ)}(hdes_ctxh]hdes_ctx}(hj[hhhNhNubah}(h]h ]jUah"]h$]h&]uh1jIhjXubah}(h]h ]h"]h$]h&] refdomainjreftypej1 reftargetj]modnameN classnameNj5j8)}j;]j>)}j1j#sbc.des_expand_keyasbuh1hhj9ubj3)}(h h]h }(hj{hhhNhNubah}(h]h ]j?ah"]h$]h&]uh1j2hj9ubjR)}(hjUh]h*}(hjhhhNhNubah}(h]h ]j^ah"]h$]h&]uh1jQhj9ubjJ)}(hctxh]hctx}(hjhhhNhNubah}(h]h ]jUah"]h$]h&]uh1jIhj9ubeh}(h]h ]h"]h$]h&]noemphhhuh1jhj5ubj)}(h const u8 *keyh](j!)}(hjh]hconst}(hjhhhNhNubah}(h]h ]j-ah"]h$]h&]uh1j hjubj3)}(h h]h }(hjhhhNhNubah}(h]h ]j?ah"]h$]h&]uh1j2hjubh)}(hhh]jJ)}(hu8h]hu8}(hjhhhNhNubah}(h]h ]jUah"]h$]h&]uh1jIhjubah}(h]h ]h"]h$]h&] refdomainjreftypej1 reftargetjmodnameN classnameNj5j8)}j;]jwc.des_expand_keyasbuh1hhjubj3)}(h h]h }(hjhhhNhNubah}(h]h ]j?ah"]h$]h&]uh1j2hjubjR)}(hjUh]h*}(hjhhhNhNubah}(h]h ]j^ah"]h$]h&]uh1jQhjubjJ)}(hkeyh]hkey}(hjhhhNhNubah}(h]h ]jUah"]h$]h&]uh1jIhjubeh}(h]h ]h"]h$]h&]noemphhhuh1jhj5ubj)}(hunsigned int keylenh](j)}(hunsignedh]hunsigned}(hjhhhNhNubah}(h]h ]jah"]h$]h&]uh1jhjubj3)}(h h]h }(hj-hhhNhNubah}(h]h ]j?ah"]h$]h&]uh1j2hjubj)}(hinth]hint}(hj;hhhNhNubah}(h]h ]jah"]h$]h&]uh1jhjubj3)}(h h]h }(hjIhhhNhNubah}(h]h ]j?ah"]h$]h&]uh1j2hjubjJ)}(hkeylenh]hkeylen}(hjWhhhNhNubah}(h]h ]jUah"]h$]h&]uh1jIhjubeh}(h]h ]h"]h$]h&]noemphhhuh1jhj5ubeh}(h]h ]h"]h$]h&]hhuh1jhjhhhjhK"ubeh}(h]h ]h"]h$]h&]hhjguh1jjhjihjhhhjhK"ubah}(h]jah ](jmjneh"]h$]h&]jrjs)jthuh1jhjhK"hjhhubjv)}(hhh]h)}(h*Expand a DES input key into a key scheduleh]h*Expand a DES input key into a key schedule}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hha/var/lib/git/docbuild/linux/Documentation/crypto/libcrypto-blockcipher:19: ./include/crypto/des.hhK"hj~hhubah}(h]h ]h"]h$]h&]uh1juhjhhhjhK"ubeh}(h]h ](jfunctioneh"]h$]h&]jjjjjjjjjuh1jhhhjhNhNubj)}(hX(**Parameters** ``struct des_ctx *ctx`` the key schedule ``const u8 *key`` buffer containing the input key ``unsigned int keylen`` size of the buffer contents **Return** 0 on success, -EINVAL if the input key is rejected and -ENOKEY if the key is accepted 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keylen)h](j)}(hstruct des3_ede_ctx *ctxh](j!)}(hj$h]hstruct}(hjhhhNhNubah}(h]h ]j-ah"]h$]h&]uh1j hjubj3)}(h h]h }(hjhhhNhNubah}(h]h ]j?ah"]h$]h&]uh1j2hjubh)}(hhh]jJ)}(h des3_ede_ctxh]h des3_ede_ctx}(hjhhhNhNubah}(h]h ]jUah"]h$]h&]uh1jIhj ubah}(h]h ]h"]h$]h&] refdomainjreftypej1 reftargetjmodnameN classnameNj5j8)}j;]j>)}j1jsbc.des3_ede_expand_keyasbuh1hhjubj3)}(h h]h }(hj/hhhNhNubah}(h]h ]j?ah"]h$]h&]uh1j2hjubjR)}(hjUh]h*}(hj=hhhNhNubah}(h]h ]j^ah"]h$]h&]uh1jQhjubjJ)}(hctxh]hctx}(hjJhhhNhNubah}(h]h ]jUah"]h$]h&]uh1jIhjubeh}(h]h ]h"]h$]h&]noemphhhuh1jhjubj)}(h const u8 *keyh](j!)}(hjh]hconst}(hjchhhNhNubah}(h]h ]j-ah"]h$]h&]uh1j hj_ubj3)}(h h]h }(hjphhhNhNubah}(h]h ]j?ah"]h$]h&]uh1j2hj_ubh)}(hhh]jJ)}(hu8h]hu8}(hjhhhNhNubah}(h]h ]jUah"]h$]h&]uh1jIhj~ubah}(h]h ]h"]h$]h&] refdomainjreftypej1 reftargetjmodnameN classnameNj5j8)}j;]j+c.des3_ede_expand_keyasbuh1hhj_ubj3)}(h h]h }(hjhhhNhNubah}(h]h ]j?ah"]h$]h&]uh1j2hj_ubjR)}(hjUh]h*}(hjhhhNhNubah}(h]h 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