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wolfSSL: EC group-to-id conversion into a helper function

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Signed-off-by: Juliusz Sosinowicz <juliusz@wolfssl.com>
This commit is contained in:
Juliusz Sosinowicz 2023-03-08 18:18:48 +01:00 committed by Jouni Malinen
parent a16916b749
commit d48f6b9138
1 changed files with 33 additions and 33 deletions
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66
src/crypto/crypto_wolfssl.c
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@ -1484,6 +1484,36 @@ int crypto_bignum_legendre(const struct crypto_bignum *a,
#ifdef CONFIG_ECC
static int crypto_ec_group_2_id(int group)
{
switch (group) {
case 19:
return ECC_SECP256R1;
case 20:
return ECC_SECP384R1;
case 21:
return ECC_SECP521R1;
case 25:
return ECC_SECP192R1;
case 26:
return ECC_SECP224R1;
#ifdef HAVE_ECC_BRAINPOOL
case 27:
return ECC_BRAINPOOLP224R1;
case 28:
return ECC_BRAINPOOLP256R1;
case 29:
return ECC_BRAINPOOLP384R1;
case 30:
return ECC_BRAINPOOLP512R1;
#endif /* HAVE_ECC_BRAINPOOL */
default:
LOG_WOLF_ERROR_VA("Unsupported curve (id=%d) in EC key", group);
return ECC_CURVE_INVALID;
}
}
int ecc_map(ecc_point *, mp_int *, mp_digit);
int ecc_projective_add_point(ecc_point *P, ecc_point *Q, ecc_point *R,
mp_int *a, mp_int *modulus, mp_digit mp);
@ -1502,40 +1532,10 @@ struct crypto_ec * crypto_ec_init(int group)
{
int built = 0;
struct crypto_ec *e;
int curve_id;
int curve_id = crypto_ec_group_2_id(group);
/* Map from IANA registry for IKE D-H groups to OpenSSL NID */
switch (group) {
case 19:
curve_id = ECC_SECP256R1;
break;
case 20:
curve_id = ECC_SECP384R1;
break;
case 21:
curve_id = ECC_SECP521R1;
break;
case 25:
curve_id = ECC_SECP192R1;
break;
case 26:
curve_id = ECC_SECP224R1;
break;
#ifdef HAVE_ECC_BRAINPOOL
case 27:
curve_id = ECC_BRAINPOOLP224R1;
break;
case 28:
curve_id = ECC_BRAINPOOLP256R1;
break;
case 29:
curve_id = ECC_BRAINPOOLP384R1;
break;
case 30:
curve_id = ECC_BRAINPOOLP512R1;
break;
#endif /* HAVE_ECC_BRAINPOOL */
default:
if (curve_id == ECC_CURVE_INVALID) {
LOG_INVALID_PARAMETERS();
return NULL;
}