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pk: move functions to verify RFC8410 group ID to pk_internal

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Signed-off-by: Valerio Setti <valerio.setti@nordicsemi.no>
This commit is contained in:
Valerio Setti 2023-11-28 16:27:55 +01:00
parent d5604bacc4
commit bcd305913f
3 changed files with 10 additions and 23 deletions
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10
library/pk_internal.h
View File

@ -119,6 +119,16 @@ static inline mbedtls_ecp_group_id mbedtls_pk_get_group_id(const mbedtls_pk_cont
#if defined(MBEDTLS_ECP_HAVE_CURVE25519) || defined(MBEDTLS_ECP_HAVE_CURVE448)
#define MBEDTLS_PK_HAVE_RFC8410_CURVES
#endif /* MBEDTLS_ECP_HAVE_CURVE25519 || MBEDTLS_ECP_DP_CURVE448 */
#define MBEDTLS_PK_IS_RFC8410_GROUP_ID(id) \
((id == MBEDTLS_ECP_DP_CURVE25519) || (id == MBEDTLS_ECP_DP_CURVE448))
static inline int mbedtls_pk_is_rfc8410(const mbedtls_pk_context *pk)
{
mbedtls_ecp_group_id id = mbedtls_pk_get_group_id(pk);
return MBEDTLS_PK_IS_RFC8410_GROUP_ID(id);
}
#endif /* MBEDTLS_PK_HAVE_ECC_KEYS */
/* Helper for (deterministic) ECDSA */

6
library/pkparse.c
View File

@ -863,12 +863,6 @@ static int pk_get_pk_alg(unsigned char **p,
return 0;
}
/* Helper for Montgomery curves */
#if defined(MBEDTLS_PK_HAVE_RFC8410_CURVES)
#define MBEDTLS_PK_IS_RFC8410_GROUP_ID(id) \
((id == MBEDTLS_ECP_DP_CURVE25519) || (id == MBEDTLS_ECP_DP_CURVE448))
#endif /* MBEDTLS_PK_HAVE_RFC8410_CURVES */
/*
* SubjectPublicKeyInfo ::= SEQUENCE {
* algorithm AlgorithmIdentifier,

17
library/pkwrite.c
View File

@ -366,23 +366,6 @@ static int pk_write_ec_param(unsigned char **p, unsigned char *start,
}
#if defined(MBEDTLS_PK_HAVE_RFC8410_CURVES)
static inline int mbedtls_pk_is_rfc8410(const mbedtls_pk_context *pk)
{
mbedtls_ecp_group_id id = mbedtls_pk_get_group_id(pk);
#if defined(MBEDTLS_ECP_HAVE_CURVE25519)
if (id == MBEDTLS_ECP_DP_CURVE25519) {
return 1;
}
#endif
#if defined(MBEDTLS_ECP_HAVE_CURVE448)
if (id == MBEDTLS_ECP_DP_CURVE448) {
return 1;
}
#endif
return 0;
}
/*
* RFC8410 section 7
*