72 lines
2.7 KiB
C
72 lines
2.7 KiB
C
/*
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Copyright 2018 Conor Patrick
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Permission is hereby granted, free of charge, to any person obtaining a copy of
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this software and associated documentation files (the "Software"), to deal in
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the Software without restriction, including without limitation the rights to
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use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
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of the Software, and to permit persons to whom the Software is furnished to do
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so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in all
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copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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SOFTWARE.
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*/
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#ifndef _CRYPTO_H
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#define _CRYPTO_H
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#include <stddef.h>
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#define USE_SOFTWARE_IMPLEMENTATION
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void crypto_sha256_init();
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void crypto_sha256_update(uint8_t * data, size_t len);
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void crypto_sha256_update_secret();
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void crypto_sha256_final(uint8_t * hash);
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void crypto_sha256_hmac_init(uint8_t * key, uint32_t klen, uint8_t * hmac);
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void crypto_sha256_hmac_final(uint8_t * key, uint32_t klen, uint8_t * hmac);
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void crypto_ecc256_init();
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void crypto_ecc256_derive_public_key(uint8_t * data, int len, uint8_t * x, uint8_t * y);
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void crypto_ecc256_load_key(uint8_t * data, int len, uint8_t * data2, int len2);
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void crypto_ecc256_load_attestation_key();
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void crypto_load_external_key(uint8_t * key, int len);
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void crypto_ecc256_sign(uint8_t * data, int len, uint8_t * sig);
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void crypto_ecdsa_sign(uint8_t * data, int len, uint8_t * sig, int MBEDTLS_ECP_ID);
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void generate_private_key(uint8_t * data, int len, uint8_t * data2, int len2, uint8_t * privkey);
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void crypto_ecc256_make_key_pair(uint8_t * pubkey, uint8_t * privkey);
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void crypto_ecc256_shared_secret(const uint8_t * pubkey, const uint8_t * privkey, uint8_t * shared_secret);
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// Key must be 32 bytes
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#define CRYPTO_TRANSPORT_KEY NULL
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#define CRYPTO_MASTER_KEY NULL
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void crypto_aes256_init(uint8_t * key, uint8_t * nonce);
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void crypto_aes256_reset_iv(uint8_t * nonce);
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// buf length must be multiple of 16 bytes
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void crypto_aes256_decrypt(uint8_t * buf, int lenth);
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void crypto_aes256_encrypt(uint8_t * buf, int lenth);
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void crypto_reset_master_secret();
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extern const uint8_t attestation_cert_der[];
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extern const uint16_t attestation_cert_der_size;
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#endif
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