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Key derivation by small input steps: proof-of-concept

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Document the new API. Keep the old one.

Implement for HKDF. Use it in a few test cases.

Key agreement is still unchanged.
This commit is contained in:
Gilles Peskine
2019-01-07 22:59:38 +01:00
parent 8d4be19517
commit b70a0fd1a5
6 changed files with 427 additions and 14 deletions
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12
include/psa/crypto_values.h
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@ -1417,4 +1417,16 @@
/**@}*/
/** \defgroup derivation Key derivation
* @{
*/
#define PSA_KDF_STEP_SECRET ((psa_key_derivation_step_t)0x0101)
#define PSA_KDF_STEP_LABEL ((psa_key_derivation_step_t)0x0201)
#define PSA_KDF_STEP_SALT ((psa_key_derivation_step_t)0x0202)
#define PSA_KDF_STEP_INFO ((psa_key_derivation_step_t)0x0203)
#define PSA_KDF_STEP_PEER_KEY ((psa_key_derivation_step_t)0x0301)
/**@}*/
#endif /* PSA_CRYPTO_VALUES_H */