yuzu-emu/mbedtls
2
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity

Document pk_ecc_set_group() and pk_ecc_set_key()

Browse source 
Signed-off-by: Manuel Pégourié-Gonnard <manuel.pegourie-gonnard@arm.com>
This commit is contained in:
Manuel Pégourié-Gonnard 2023-07-26 22:24:23 +02:00
parent 5470898e37
commit d1aa642394
1 changed files with 10 additions and 6 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

16
library/pkparse.c
View file

@ -69,6 +69,10 @@
/* /*
* Set the group used by this key. * Set the group used by this key.
*
* [in/out] pk: in: must have been pk_setup() to an ECC type
* out: will have group (curve) information set
* [in] grp_in: a supported group ID (not NONE)
*/ */
static int pk_ecc_set_group(mbedtls_pk_context *pk, mbedtls_ecp_group_id grp_id) static int pk_ecc_set_group(mbedtls_pk_context *pk, mbedtls_ecp_group_id grp_id)
{ {
@ -104,12 +108,12 @@ static int pk_ecc_set_group(mbedtls_pk_context *pk, mbedtls_ecp_group_id grp_id)
/* /*
* Set the private key material * Set the private key material
* *
* Must have already set the group with pk_ecc_set_group(). * [in/out] pk: in: must have the group set already, see pk_ecc_set_group().
* * out: will have the private key set.
* The 'key' argument points to the raw private key (no ASN.1 wrapping). * [in] key, key_len: the raw private key (no ASN.1 wrapping).
*/ */
static int pk_ecc_set_key(mbedtls_pk_context *pk, static int pk_ecc_set_key(mbedtls_pk_context *pk,
unsigned char *key, size_t len) unsigned char *key, size_t key_len)
{ {
#if defined(MBEDTLS_PK_USE_PSA_EC_DATA) #if defined(MBEDTLS_PK_USE_PSA_EC_DATA)
psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT; psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT;
@ -126,13 +130,13 @@ static int pk_ecc_set_key(mbedtls_pk_context *pk,
} }
psa_set_key_usage_flags(&attributes, flags); psa_set_key_usage_flags(&attributes, flags);
status = psa_import_key(&attributes, key, len, &pk->priv_id); status = psa_import_key(&attributes, key, key_len, &pk->priv_id);
return psa_pk_status_to_mbedtls(status); return psa_pk_status_to_mbedtls(status);
#else /* MBEDTLS_PK_USE_PSA_EC_DATA */ #else /* MBEDTLS_PK_USE_PSA_EC_DATA */
mbedtls_ecp_keypair *eck = mbedtls_pk_ec_rw(*pk); mbedtls_ecp_keypair *eck = mbedtls_pk_ec_rw(*pk);
int ret = mbedtls_ecp_read_key(eck->grp.id, eck, key, len); int ret = mbedtls_ecp_read_key(eck->grp.id, eck, key, key_len);
if (ret != 0) { if (ret != 0) {
return MBEDTLS_ERROR_ADD(MBEDTLS_ERR_PK_KEY_INVALID_FORMAT, ret); return MBEDTLS_ERROR_ADD(MBEDTLS_ERR_PK_KEY_INVALID_FORMAT, ret);
} }