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pk: uniform naming of functions and structures in pk/pk_wrap

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Signed-off-by: Valerio Setti <valerio.setti@nordicsemi.no>
This commit is contained in:
Valerio Setti 2023-06-23 13:32:54 +02:00
parent 884c1ec1f5
commit 76d0f9637c
3 changed files with 50 additions and 69 deletions
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4
library/pk.c
View File

@ -182,9 +182,9 @@ int mbedtls_pk_setup_opaque(mbedtls_pk_context *ctx,
psa_reset_key_attributes(&attributes); psa_reset_key_attributes(&attributes);
if (PSA_KEY_TYPE_IS_ECC_KEY_PAIR(type)) { if (PSA_KEY_TYPE_IS_ECC_KEY_PAIR(type)) {
info = &mbedtls_pk_ecdsa_opaque_info; info = &mbedtls_ecdsa_opaque_info;
} else if (type == PSA_KEY_TYPE_RSA_KEY_PAIR) { } else if (type == PSA_KEY_TYPE_RSA_KEY_PAIR) {
info = &mbedtls_pk_rsa_opaque_info; info = &mbedtls_rsa_opaque_info;
} else { } else {
return MBEDTLS_ERR_PK_FEATURE_UNAVAILABLE; return MBEDTLS_ERR_PK_FEATURE_UNAVAILABLE;
} }

75
library/pk_wrap.c
View File

@ -709,6 +709,7 @@ static int extract_ecdsa_sig(unsigned char **p, const unsigned char *end,
return 0; return 0;
} }
/* Common helper for ECDSA verify using PSA functions. */
static int ecdsa_verify_psa(unsigned char *key, size_t key_len, static int ecdsa_verify_psa(unsigned char *key, size_t key_len,
psa_ecc_family_t curve, size_t curve_bits, psa_ecc_family_t curve, size_t curve_bits,
const unsigned char *hash, size_t hash_len, const unsigned char *hash, size_t hash_len,
@ -773,7 +774,7 @@ cleanup:
return ret; return ret;
} }
static int pk_opaque_ecdsa_verify_wrap(mbedtls_pk_context *pk, static int ecdsa_opaque_verify_wrap(mbedtls_pk_context *pk,
mbedtls_md_type_t md_alg, mbedtls_md_type_t md_alg,
const unsigned char *hash, size_t hash_len, const unsigned char *hash, size_t hash_len,
const unsigned char *sig, size_t sig_len) const unsigned char *sig, size_t sig_len)
@ -947,9 +948,7 @@ static int pk_ecdsa_sig_asn1_from_psa(unsigned char *sig, size_t *sig_len,
return 0; return 0;
} }
/* This is the common helper used by ecdsa_sign_wrap() functions below (they /* Common helper for ECDSA sign using PSA functions. */
* differ in having PK_USE_PSA_EC_DATA defined or not) to sign using PSA
* functions. */
static int ecdsa_sign_psa(mbedtls_svc_key_id_t key_id, mbedtls_md_type_t md_alg, static int ecdsa_sign_psa(mbedtls_svc_key_id_t key_id, mbedtls_md_type_t md_alg,
const unsigned char *hash, size_t hash_len, const unsigned char *hash, size_t hash_len,
unsigned char *sig, size_t sig_size, size_t *sig_len) unsigned char *sig, size_t sig_size, size_t *sig_len)
@ -965,6 +964,7 @@ static int ecdsa_sign_psa(mbedtls_svc_key_id_t key_id, mbedtls_md_type_t md_alg,
return PSA_PK_ECDSA_TO_MBEDTLS_ERR(status); return PSA_PK_ECDSA_TO_MBEDTLS_ERR(status);
} }
alg = psa_get_key_algorithm(&key_attr); alg = psa_get_key_algorithm(&key_attr);
psa_reset_key_attributes(&key_attr);
if (PSA_ALG_IS_DETERMINISTIC_ECDSA(alg)) { if (PSA_ALG_IS_DETERMINISTIC_ECDSA(alg)) {
psa_sig_md = PSA_ALG_DETERMINISTIC_ECDSA(mbedtls_md_psa_alg_from_type(md_alg)); psa_sig_md = PSA_ALG_DETERMINISTIC_ECDSA(mbedtls_md_psa_alg_from_type(md_alg));
@ -983,12 +983,7 @@ static int ecdsa_sign_psa(mbedtls_svc_key_id_t key_id, mbedtls_md_type_t md_alg,
return ret; return ret;
} }
/* The reason for having this duplicated compared to ecdsa_sign_wrap() below is static int ecdsa_opaque_sign_wrap(mbedtls_pk_context *pk,
* that:
* - opaque keys are available as long as USE_PSA_CRYPTO is defined and even
* if !PK_USE_PSA_EC_DATA
* - opaque keys do not support PSA_ALG_DETERMINISTIC_ECDSA() */
static int pk_opaque_ecdsa_sign_wrap(mbedtls_pk_context *pk,
mbedtls_md_type_t md_alg, mbedtls_md_type_t md_alg,
const unsigned char *hash, size_t hash_len, const unsigned char *hash, size_t hash_len,
unsigned char *sig, size_t sig_size, unsigned char *sig, size_t sig_size,
@ -1004,17 +999,9 @@ static int pk_opaque_ecdsa_sign_wrap(mbedtls_pk_context *pk,
} }
#if defined(MBEDTLS_PK_USE_PSA_EC_DATA) #if defined(MBEDTLS_PK_USE_PSA_EC_DATA)
static int ecdsa_sign_wrap(mbedtls_pk_context *pk, mbedtls_md_type_t md_alg, /* When PK_USE_PSA_EC_DATA is defined opaque and non-opaque keys end up
const unsigned char *hash, size_t hash_len, * using the same function. */
unsigned char *sig, size_t sig_size, size_t *sig_len, #define ecdsa_sign_wrap ecdsa_opaque_sign_wrap
int (*f_rng)(void *, unsigned char *, size_t), void *p_rng)
{
((void) f_rng);
((void) p_rng);
return ecdsa_sign_psa(pk->priv_id, md_alg, hash, hash_len, sig, sig_size,
sig_len);
}
#else /* MBEDTLS_PK_USE_PSA_EC_DATA */ #else /* MBEDTLS_PK_USE_PSA_EC_DATA */
static int ecdsa_sign_wrap(mbedtls_pk_context *pk, mbedtls_md_type_t md_alg, static int ecdsa_sign_wrap(mbedtls_pk_context *pk, mbedtls_md_type_t md_alg,
const unsigned char *hash, size_t hash_len, const unsigned char *hash, size_t hash_len,
@ -1596,7 +1583,7 @@ const mbedtls_pk_info_t mbedtls_rsa_alt_info = {
#endif /* MBEDTLS_PK_RSA_ALT_SUPPORT */ #endif /* MBEDTLS_PK_RSA_ALT_SUPPORT */
#if defined(MBEDTLS_USE_PSA_CRYPTO) #if defined(MBEDTLS_USE_PSA_CRYPTO)
static size_t pk_opaque_get_bitlen(mbedtls_pk_context *pk) static size_t opaque_get_bitlen(mbedtls_pk_context *pk)
{ {
size_t bits; size_t bits;
psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT; psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT;
@ -1610,24 +1597,18 @@ static size_t pk_opaque_get_bitlen(mbedtls_pk_context *pk)
return bits; return bits;
} }
static int pk_opaque_ecdsa_can_do(mbedtls_pk_type_t type) static int ecdsa_opaque_can_do(mbedtls_pk_type_t type)
{ {
return type == MBEDTLS_PK_ECKEY || return type == MBEDTLS_PK_ECKEY ||
type == MBEDTLS_PK_ECDSA; type == MBEDTLS_PK_ECDSA;
} }
#if defined(MBEDTLS_PK_USE_PSA_EC_DATA) #if defined(MBEDTLS_PK_USE_PSA_EC_DATA)
static int pk_opaque_ecdsa_check_pair_wrap(mbedtls_pk_context *pub, /* When PK_USE_PSA_EC_DATA is defined opaque and non-opaque keys end up
mbedtls_pk_context *prv, * using the same function. */
int (*f_rng)(void *, unsigned char *, size_t), #define ecdsa_opaque_check_pair_wrap eckey_check_pair_wrap
void *p_rng)
{
(void) f_rng;
(void) p_rng;
return eckey_check_pair_psa(pub, prv);
}
#else /* MBEDTLS_PK_USE_PSA_EC_DATA */ #else /* MBEDTLS_PK_USE_PSA_EC_DATA */
static int pk_opaque_ecdsa_check_pair_wrap(mbedtls_pk_context *pub, static int ecdsa_opaque_check_pair_wrap(mbedtls_pk_context *pub,
mbedtls_pk_context *prv, mbedtls_pk_context *prv,
int (*f_rng)(void *, unsigned char *, size_t), int (*f_rng)(void *, unsigned char *, size_t),
void *p_rng) void *p_rng)
@ -1662,24 +1643,24 @@ static int pk_opaque_ecdsa_check_pair_wrap(mbedtls_pk_context *pub,
} }
#endif /* MBEDTLS_PK_USE_PSA_EC_DATA */ #endif /* MBEDTLS_PK_USE_PSA_EC_DATA */
const mbedtls_pk_info_t mbedtls_pk_ecdsa_opaque_info = { const mbedtls_pk_info_t mbedtls_ecdsa_opaque_info = {
.type = MBEDTLS_PK_OPAQUE, .type = MBEDTLS_PK_OPAQUE,
.name = "Opaque", .name = "Opaque",
.get_bitlen = pk_opaque_get_bitlen, .get_bitlen = opaque_get_bitlen,
.can_do = pk_opaque_ecdsa_can_do, .can_do = ecdsa_opaque_can_do,
.verify_func = pk_opaque_ecdsa_verify_wrap, .verify_func = ecdsa_opaque_verify_wrap,
.sign_func = pk_opaque_ecdsa_sign_wrap, .sign_func = ecdsa_opaque_sign_wrap,
.check_pair_func = pk_opaque_ecdsa_check_pair_wrap, .check_pair_func = ecdsa_opaque_check_pair_wrap,
}; };
static int pk_opaque_rsa_can_do(mbedtls_pk_type_t type) static int rsa_opaque_can_do(mbedtls_pk_type_t type)
{ {
return type == MBEDTLS_PK_RSA || return type == MBEDTLS_PK_RSA ||
type == MBEDTLS_PK_RSASSA_PSS; type == MBEDTLS_PK_RSASSA_PSS;
} }
#if defined(MBEDTLS_PSA_WANT_KEY_TYPE_RSA_KEY_PAIR_LEGACY) #if defined(MBEDTLS_PSA_WANT_KEY_TYPE_RSA_KEY_PAIR_LEGACY)
static int pk_opaque_rsa_decrypt(mbedtls_pk_context *pk, static int rsa_opaque_decrypt(mbedtls_pk_context *pk,
const unsigned char *input, size_t ilen, const unsigned char *input, size_t ilen,
unsigned char *output, size_t *olen, size_t osize, unsigned char *output, size_t *olen, size_t osize,
int (*f_rng)(void *, unsigned char *, size_t), void *p_rng) int (*f_rng)(void *, unsigned char *, size_t), void *p_rng)
@ -1702,7 +1683,7 @@ static int pk_opaque_rsa_decrypt(mbedtls_pk_context *pk,
} }
#endif /* MBEDTLS_PSA_WANT_KEY_TYPE_RSA_KEY_PAIR_LEGACY */ #endif /* MBEDTLS_PSA_WANT_KEY_TYPE_RSA_KEY_PAIR_LEGACY */
static int pk_opaque_rsa_sign_wrap(mbedtls_pk_context *pk, mbedtls_md_type_t md_alg, static int rsa_opaque_sign_wrap(mbedtls_pk_context *pk, mbedtls_md_type_t md_alg,
const unsigned char *hash, size_t hash_len, const unsigned char *hash, size_t hash_len,
unsigned char *sig, size_t sig_size, size_t *sig_len, unsigned char *sig, size_t sig_size, size_t *sig_len,
int (*f_rng)(void *, unsigned char *, size_t), void *p_rng) int (*f_rng)(void *, unsigned char *, size_t), void *p_rng)
@ -1757,14 +1738,14 @@ static int pk_opaque_rsa_sign_wrap(mbedtls_pk_context *pk, mbedtls_md_type_t md_
#endif /* !MBEDTLS_RSA_C */ #endif /* !MBEDTLS_RSA_C */
} }
const mbedtls_pk_info_t mbedtls_pk_rsa_opaque_info = { const mbedtls_pk_info_t mbedtls_rsa_opaque_info = {
.type = MBEDTLS_PK_OPAQUE, .type = MBEDTLS_PK_OPAQUE,
.name = "Opaque", .name = "Opaque",
.get_bitlen = pk_opaque_get_bitlen, .get_bitlen = opaque_get_bitlen,
.can_do = pk_opaque_rsa_can_do, .can_do = rsa_opaque_can_do,
.sign_func = pk_opaque_rsa_sign_wrap, .sign_func = rsa_opaque_sign_wrap,
#if defined(MBEDTLS_PSA_WANT_KEY_TYPE_RSA_KEY_PAIR_LEGACY) #if defined(MBEDTLS_PSA_WANT_KEY_TYPE_RSA_KEY_PAIR_LEGACY)
.decrypt_func = pk_opaque_rsa_decrypt, .decrypt_func = rsa_opaque_decrypt,
#endif /* PSA_WANT_KEY_TYPE_RSA_PUBLIC_KEY */ #endif /* PSA_WANT_KEY_TYPE_RSA_PUBLIC_KEY */
}; };

4
library/pk_wrap.h
View File

@ -134,8 +134,8 @@ extern const mbedtls_pk_info_t mbedtls_rsa_alt_info;
#endif #endif
#if defined(MBEDTLS_USE_PSA_CRYPTO) #if defined(MBEDTLS_USE_PSA_CRYPTO)
extern const mbedtls_pk_info_t mbedtls_pk_ecdsa_opaque_info; extern const mbedtls_pk_info_t mbedtls_ecdsa_opaque_info;
extern const mbedtls_pk_info_t mbedtls_pk_rsa_opaque_info; extern const mbedtls_pk_info_t mbedtls_rsa_opaque_info;
#if !defined(MBEDTLS_DEPRECATED_REMOVED) #if !defined(MBEDTLS_DEPRECATED_REMOVED)
#if defined(PSA_WANT_KEY_TYPE_ECC_PUBLIC_KEY) #if defined(PSA_WANT_KEY_TYPE_ECC_PUBLIC_KEY)