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Expose callback API for replacing low-level cryptographic primitives
This makes the callback API to replace low-level cryptographic implementation public again after #1667. Signed-off-by: Daiki Ueno <[email protected]>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,104 @@ | ||
| /** | ||
| * \file aes_ops.h | ||
| * \brief Header defining the callback API for OQS AES | ||
| * | ||
| * SPDX-License-Identifier: MIT | ||
| */ | ||
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| #ifndef OQS_AES_OPS_H | ||
| #define OQS_AES_OPS_H | ||
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| #include <stdint.h> | ||
| #include <stdlib.h> | ||
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| #include <oqs/common.h> | ||
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| #if defined(__cplusplus) | ||
| extern "C" { | ||
| #endif | ||
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| /** Data structure implemented by cryptographic provider for AES operations. | ||
| */ | ||
| struct OQS_AES_callbacks { | ||
| /** | ||
| * Implementation of function OQS_AES128_ECB_load_schedule. | ||
| */ | ||
| void (*AES128_ECB_load_schedule)(const uint8_t *key, void **ctx); | ||
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| /** | ||
| * Implementation of function OQS_AES128_free_schedule. | ||
| */ | ||
| void (*AES128_free_schedule)(void *ctx); | ||
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| /** | ||
| * Implementation of function OQS_AES128_ECB_enc. | ||
| */ | ||
| void (*AES128_ECB_enc)(const uint8_t *plaintext, const size_t plaintext_len, const uint8_t *key, uint8_t *ciphertext); | ||
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| /** | ||
| * Implementation of function OQS_AES128_ECB_enc_sch. | ||
| */ | ||
| void (*AES128_ECB_enc_sch)(const uint8_t *plaintext, const size_t plaintext_len, const void *schedule, uint8_t *ciphertext); | ||
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| /** | ||
| * Implementation of function OQS_AES256_ECB_load_schedule. | ||
| */ | ||
| void (*AES256_ECB_load_schedule)(const uint8_t *key, void **ctx); | ||
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| /** | ||
| * Implementation of function OQS_AES256_CTR_inc_init. | ||
| */ | ||
| void (*AES256_CTR_inc_init)(const uint8_t *key, void **ctx); | ||
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| /** | ||
| * Implementation of function OQS_AES256_CTR_inc_iv. | ||
| */ | ||
| void (*AES256_CTR_inc_iv)(const uint8_t *iv, size_t iv_len, void *ctx); | ||
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| /** | ||
| * Implementation of function OQS_AES256_CTR_inc_ivu64. | ||
| */ | ||
| void (*AES256_CTR_inc_ivu64)(uint64_t iv, void *ctx); | ||
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| /** | ||
| * Implementation of function OQS_AES256_free_schedule. | ||
| */ | ||
| void (*AES256_free_schedule)(void *ctx); | ||
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| /** | ||
| * Implementation of function OQS_AES256_ECB_enc. | ||
| */ | ||
| void (*AES256_ECB_enc)(const uint8_t *plaintext, const size_t plaintext_len, const uint8_t *key, uint8_t *ciphertext); | ||
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| /** | ||
| * Implementation of function OQS_AES256_ECB_enc_sch. | ||
| */ | ||
| void (*AES256_ECB_enc_sch)(const uint8_t *plaintext, const size_t plaintext_len, const void *schedule, uint8_t *ciphertext); | ||
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| /** | ||
| * Implementation of function OQS_AES256_CTR_inc_stream_iv. | ||
| */ | ||
| void (*AES256_CTR_inc_stream_iv)(const uint8_t *iv, size_t iv_len, const void *ctx, uint8_t *out, size_t out_len); | ||
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| /** | ||
| * Implementation of function OQS_AES256_CTR_inc_stream_blks. | ||
| */ | ||
| void (*AES256_CTR_inc_stream_blks)(void *ctx, uint8_t *out, size_t out_blks); | ||
| }; | ||
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| /** | ||
| * Set callback functions for AES operations. | ||
| * | ||
| * This function may be called before OQS_init to switch the | ||
| * cryptographic provider for AES operations. If it is not called, the | ||
| * default provider determined at build time will be used. | ||
| * | ||
| * @param[in] new_callbacks Callback functions defined in OQS_AES_callbacks | ||
| */ | ||
| OQS_API void OQS_AES_set_callbacks(struct OQS_AES_callbacks *new_callbacks); | ||
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| #if defined(__cplusplus) | ||
| } // extern "C" | ||
| #endif | ||
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| #endif // OQS_AES_OPS_H |
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