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Implement HKDF

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This commit is contained in:
Gilles Peskine
2018-07-12 17:22:21 +02:00
committed by itayzafrir
parent ea0fb4975c
commit bef7f14f8e
3 changed files with 182 additions and 0 deletions
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17
include/psa/crypto_struct.h
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@@ -130,6 +130,20 @@ struct psa_cipher_operation_s
} ctx;
};
typedef struct
{
uint8_t *info;
size_t info_length;
psa_hmac_internal_data hmac;
uint8_t prk[PSA_HASH_MAX_SIZE];
uint8_t output_block[PSA_HASH_MAX_SIZE];
#if PSA_HASH_MAX_SIZE > 0xff
#error "PSA_HASH_MAX_SIZE does not fit in uint8_t"
#endif
uint8_t offset_in_block;
uint8_t block_number;
} psa_hkdf_generator_t;
struct psa_crypto_generator_s
{
psa_algorithm_t alg;
@@ -141,6 +155,9 @@ struct psa_crypto_generator_s
uint8_t *data;
size_t size;
} buffer;
#if defined(MBEDTLS_MD_C)
psa_hkdf_generator_t hkdf;
#endif
} ctx;
};