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Diffstat (limited to 'security/nss/lib/freebl/verified/Hacl_Chacha20Poly1305_256.h')
-rw-r--r-- | security/nss/lib/freebl/verified/Hacl_Chacha20Poly1305_256.h | 104 |
1 files changed, 104 insertions, 0 deletions
diff --git a/security/nss/lib/freebl/verified/Hacl_Chacha20Poly1305_256.h b/security/nss/lib/freebl/verified/Hacl_Chacha20Poly1305_256.h new file mode 100644 index 0000000000..dc2de098d5 --- /dev/null +++ b/security/nss/lib/freebl/verified/Hacl_Chacha20Poly1305_256.h @@ -0,0 +1,104 @@ +/* MIT License + * + * Copyright (c) 2016-2022 INRIA, CMU and Microsoft Corporation + * Copyright (c) 2022-2023 HACL* Contributors + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in all + * copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +#ifndef __Hacl_Chacha20Poly1305_256_H +#define __Hacl_Chacha20Poly1305_256_H + +#if defined(__cplusplus) +extern "C" { +#endif + +#include <string.h> +#include "krml/internal/types.h" +#include "krml/lowstar_endianness.h" +#include "krml/internal/target.h" + +#include "Hacl_Poly1305_256.h" +#include "Hacl_Chacha20_Vec256.h" + +/** +Encrypt a message `m` with key `k`. + +The arguments `k`, `n`, `aadlen`, and `aad` are same in encryption/decryption. +Note: Encryption and decryption can be executed in-place, i.e., `m` and `cipher` can point to the same memory. + +@param k Pointer to 32 bytes of memory where the AEAD key is read from. +@param n Pointer to 12 bytes of memory where the AEAD nonce is read from. +@param aadlen Length of the associated data. +@param aad Pointer to `aadlen` bytes of memory where the associated data is read from. + +@param mlen Length of the message. +@param m Pointer to `mlen` bytes of memory where the message is read from. +@param cipher Pointer to `mlen` bytes of memory where the ciphertext is written to. +@param mac Pointer to 16 bytes of memory where the mac is written to. +*/ +void +Hacl_Chacha20Poly1305_256_aead_encrypt( + uint8_t *k, + uint8_t *n, + uint32_t aadlen, + uint8_t *aad, + uint32_t mlen, + uint8_t *m, + uint8_t *cipher, + uint8_t *mac); + +/** +Decrypt a ciphertext `cipher` with key `k`. + +The arguments `k`, `n`, `aadlen`, and `aad` are same in encryption/decryption. +Note: Encryption and decryption can be executed in-place, i.e., `m` and `cipher` can point to the same memory. + +If decryption succeeds, the resulting plaintext is stored in `m` and the function returns the success code 0. +If decryption fails, the array `m` remains unchanged and the function returns the error code 1. + +@param k Pointer to 32 bytes of memory where the AEAD key is read from. +@param n Pointer to 12 bytes of memory where the AEAD nonce is read from. +@param aadlen Length of the associated data. +@param aad Pointer to `aadlen` bytes of memory where the associated data is read from. + +@param mlen Length of the ciphertext. +@param m Pointer to `mlen` bytes of memory where the message is written to. +@param cipher Pointer to `mlen` bytes of memory where the ciphertext is read from. +@param mac Pointer to 16 bytes of memory where the mac is read from. + +@returns 0 on succeess; 1 on failure. +*/ +uint32_t +Hacl_Chacha20Poly1305_256_aead_decrypt( + uint8_t *k, + uint8_t *n, + uint32_t aadlen, + uint8_t *aad, + uint32_t mlen, + uint8_t *m, + uint8_t *cipher, + uint8_t *mac); + +#if defined(__cplusplus) +} +#endif + +#define __Hacl_Chacha20Poly1305_256_H_DEFINED +#endif |