3a1101a122
Define algorithms for PureEdDSA and for HashEdDSA, the EdDSA variants defined by RFC 8032. The encoding for HashEdDSA needs to encode the hash algorithm so that the hash can be calculated by passing PSA_ALG_SIGN_GET_HASH(sig_alg) to psa_hash_compute() or psa_hash_setup(). As a consequence, Ed25519ph (using SHA-512) and Ed448ph (using SHAKE256) need to have different algorithm encodings (the key is enough to tell them apart, but it is not known while hashing). Another consequence is that the API needs to recognize the Ed448 prehash (64 bytes of SHAKE256 output) as a hash algorithm. Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com> |
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mbedtls | ||
psa | ||
.gitignore | ||
CMakeLists.txt |