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Reorder and correct comment

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Signed-off-by: Kusumit Ghoderao <Kusumit.Ghoderao@silabs.com>
This commit is contained in:
Kusumit Ghoderao 2023-10-27 15:08:00 +05:30
parent 4aa6b36a35
commit a0907f5750
1 changed files with 7 additions and 7 deletions
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14
library/psa_crypto.c
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@ -6110,11 +6110,6 @@ static psa_status_t psa_key_derivation_setup_kdf(
return status;
}
if ((PSA_ALG_IS_TLS12_PRF(kdf_alg) ||
PSA_ALG_IS_TLS12_PSK_TO_MS(kdf_alg)) &&
!(hash_alg == PSA_ALG_SHA_256 || hash_alg == PSA_ALG_SHA_384)) {
return PSA_ERROR_NOT_SUPPORTED;
}
if (PSA_ALG_IS_HKDF(kdf_alg)) {
operation->capacity = 255 * hash_size;
}
@ -6128,12 +6123,17 @@ static psa_status_t psa_key_derivation_setup_kdf(
operation->capacity = 255 * hash_size;
}
#endif
if ((PSA_ALG_IS_TLS12_PRF(kdf_alg) ||
PSA_ALG_IS_TLS12_PSK_TO_MS(kdf_alg)) &&
!(hash_alg == PSA_ALG_SHA_256 || hash_alg == PSA_ALG_SHA_384)) {
return PSA_ERROR_NOT_SUPPORTED;
}
if (PSA_ALG_IS_TLS12_PRF(kdf_alg)) {
operation->capacity = UINT_MAX;
}
if (PSA_ALG_IS_TLS12_PSK_TO_MS(kdf_alg)) {
/* Master Secret consists of 2-byte version number
* and a 46-byte random value */
/* Master Secret is always 48 bytes
* https://datatracker.ietf.org/doc/html/rfc5246.html#section-8.1 */
operation->capacity = 48U;
}
if (PSA_ALG_IS_PBKDF2_HMAC(kdf_alg)) {