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author | wolfbeast <mcwerewolf@gmail.com> | 2018-02-23 11:04:39 +0100 |
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committer | wolfbeast <mcwerewolf@gmail.com> | 2018-06-05 22:24:08 +0200 |
commit | e10349ab8dda8a3f11be6aa19f2b6e29fe814044 (patch) | |
tree | 1a9b078b06a76af06839d407b7267880890afccc /security/nss/lib/freebl/verified/Hacl_Chacha20.h | |
parent | 75b3dd4cbffb6e4534128278300ed6c8a3ab7506 (diff) | |
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Update NSS to 3.35-RTM
Diffstat (limited to 'security/nss/lib/freebl/verified/Hacl_Chacha20.h')
-rw-r--r-- | security/nss/lib/freebl/verified/Hacl_Chacha20.h | 81 |
1 files changed, 81 insertions, 0 deletions
diff --git a/security/nss/lib/freebl/verified/Hacl_Chacha20.h b/security/nss/lib/freebl/verified/Hacl_Chacha20.h new file mode 100644 index 000000000..f97e44b74 --- /dev/null +++ b/security/nss/lib/freebl/verified/Hacl_Chacha20.h @@ -0,0 +1,81 @@ +/* Copyright 2016-2017 INRIA and Microsoft Corporation + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#include "kremlib.h" +#ifndef __Hacl_Chacha20_H +#define __Hacl_Chacha20_H + +typedef uint32_t Hacl_Impl_Xor_Lemmas_u32; + +typedef uint8_t Hacl_Impl_Xor_Lemmas_u8; + +typedef uint8_t *Hacl_Lib_LoadStore32_uint8_p; + +typedef uint32_t Hacl_Impl_Chacha20_u32; + +typedef uint32_t Hacl_Impl_Chacha20_h32; + +typedef uint8_t *Hacl_Impl_Chacha20_uint8_p; + +typedef uint32_t *Hacl_Impl_Chacha20_state; + +typedef uint32_t Hacl_Impl_Chacha20_idx; + +typedef struct +{ + void *k; + void *n; +} Hacl_Impl_Chacha20_log_t_; + +typedef void *Hacl_Impl_Chacha20_log_t; + +typedef uint32_t Hacl_Lib_Create_h32; + +typedef uint8_t *Hacl_Chacha20_uint8_p; + +typedef uint32_t Hacl_Chacha20_uint32_t; + +void Hacl_Chacha20_chacha20_key_block(uint8_t *block, uint8_t *k, uint8_t *n1, uint32_t ctr); + +/* + This function implements Chacha20 + + val chacha20 : + output:uint8_p -> + plain:uint8_p{ disjoint output plain } -> + len:uint32_t{ v len = length output /\ v len = length plain } -> + key:uint8_p{ length key = 32 } -> + nonce:uint8_p{ length nonce = 12 } -> + ctr:uint32_t{ v ctr + length plain / 64 < pow2 32 } -> + Stack unit + (requires + fun h -> live h output /\ live h plain /\ live h nonce /\ live h key) + (ensures + fun h0 _ h1 -> + live h1 output /\ live h0 plain /\ modifies_1 output h0 h1 /\ + live h0 nonce /\ + live h0 key /\ + h1.[ output ] == + chacha20_encrypt_bytes h0.[ key ] h0.[ nonce ] (v ctr) h0.[ plain ]) +*/ +void +Hacl_Chacha20_chacha20( + uint8_t *output, + uint8_t *plain, + uint32_t len, + uint8_t *k, + uint8_t *n1, + uint32_t ctr); +#endif |