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Remove authentication related logic from TLSX_ValidateSupportedCurves()

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This commit is contained in:
Anthony Hu
2021-09-02 14:07:06 -04:00
parent 5e12fa3eb7
commit 428fe29537
1 changed files with 16 additions and 44 deletions
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60
src/tls.c
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@ -4347,11 +4347,6 @@ int TLSX_ValidateSupportedCurves(WOLFSSL* ssl, byte first, byte second) {
TLSX* extension = NULL;
SupportedCurve* curve = NULL;
word32 oid = 0;
#if defined(HAVE_ECC) || defined(HAVE_CURVE25519) || defined(HAVE_ED25519) || \
defined(HAVE_CURVE448) || defined(HAVE_ED448) || \
(!defined(NO_RSA) && defined(WOLFSSL_STATIC_DH))
word32 pkOid = 0;
#endif /* HAVE_ECC || HAVE_ED25519 || HAVE_ED448 || (!NO_RSA && STATIC_DH) */
word32 defOid = 0;
word32 defSz = 80; /* Maximum known curve size is 66. */
word32 nextOid = 0;
@ -4359,11 +4354,9 @@ int TLSX_ValidateSupportedCurves(WOLFSSL* ssl, byte first, byte second) {
word32 currOid = ssl->ecdhCurveOID;
int ephmSuite = 0;
word16 octets = 0; /* according to 'ecc_set_type ecc_sets[];' */
int sig = 0; /* validate signature */
int key = 0; /* validate key */
(void)oid;
(void)pkOid;
if (first == CHACHA_BYTE) {
switch (second) {
@ -4384,7 +4377,7 @@ int TLSX_ValidateSupportedCurves(WOLFSSL* ssl, byte first, byte second) {
return 1; /* no suite restriction */
for (curve = (SupportedCurve*)extension->data;
curve && !(sig && key);
curve && !key;
curve = curve->next) {
#ifdef OPENSSL_EXTRA
@ -4402,19 +4395,19 @@ int TLSX_ValidateSupportedCurves(WOLFSSL* ssl, byte first, byte second) {
#if (defined(HAVE_ECC160) || defined(HAVE_ALL_CURVES)) && ECC_MIN_KEY_SZ <= 160
#ifndef NO_ECC_SECP
case WOLFSSL_ECC_SECP160R1:
pkOid = oid = ECC_SECP160R1_OID;
oid = ECC_SECP160R1_OID;
octets = 20;
break;
#endif /* !NO_ECC_SECP */
#ifdef HAVE_ECC_SECPR2
case WOLFSSL_ECC_SECP160R2:
pkOid = oid = ECC_SECP160R2_OID;
oid = ECC_SECP160R2_OID;
octets = 20;
break;
#endif /* HAVE_ECC_SECPR2 */
#ifdef HAVE_ECC_KOBLITZ
case WOLFSSL_ECC_SECP160K1:
pkOid = oid = ECC_SECP160K1_OID;
oid = ECC_SECP160K1_OID;
octets = 20;
break;
#endif /* HAVE_ECC_KOBLITZ */
@ -4422,13 +4415,13 @@ int TLSX_ValidateSupportedCurves(WOLFSSL* ssl, byte first, byte second) {
#if (defined(HAVE_ECC192) || defined(HAVE_ALL_CURVES)) && ECC_MIN_KEY_SZ <= 192
#ifndef NO_ECC_SECP
case WOLFSSL_ECC_SECP192R1:
pkOid = oid = ECC_SECP192R1_OID;
oid = ECC_SECP192R1_OID;
octets = 24;
break;
#endif /* !NO_ECC_SECP */
#ifdef HAVE_ECC_KOBLITZ
case WOLFSSL_ECC_SECP192K1:
pkOid = oid = ECC_SECP192K1_OID;
oid = ECC_SECP192K1_OID;
octets = 24;
break;
#endif /* HAVE_ECC_KOBLITZ */
@ -4436,13 +4429,13 @@ int TLSX_ValidateSupportedCurves(WOLFSSL* ssl, byte first, byte second) {
#if (defined(HAVE_ECC224) || defined(HAVE_ALL_CURVES)) && ECC_MIN_KEY_SZ <= 224
#ifndef NO_ECC_SECP
case WOLFSSL_ECC_SECP224R1:
pkOid = oid = ECC_SECP224R1_OID;
oid = ECC_SECP224R1_OID;
octets = 28;
break;
#endif /* !NO_ECC_SECP */
#ifdef HAVE_ECC_KOBLITZ
case WOLFSSL_ECC_SECP224K1:
pkOid = oid = ECC_SECP224K1_OID;
oid = ECC_SECP224K1_OID;
octets = 28;
break;
#endif /* HAVE_ECC_KOBLITZ */
@ -4450,7 +4443,7 @@ int TLSX_ValidateSupportedCurves(WOLFSSL* ssl, byte first, byte second) {
#if (!defined(NO_ECC256) || defined(HAVE_ALL_CURVES)) && ECC_MIN_KEY_SZ <= 256
#ifndef NO_ECC_SECP
case WOLFSSL_ECC_SECP256R1:
pkOid = oid = ECC_SECP256R1_OID;
oid = ECC_SECP256R1_OID;
octets = 32;
break;
#endif /* !NO_ECC_SECP */
@ -4459,11 +4452,6 @@ int TLSX_ValidateSupportedCurves(WOLFSSL* ssl, byte first, byte second) {
#if (defined(HAVE_CURVE25519) || defined(HAVE_ED25519)) && ECC_MIN_KEY_SZ <= 256
case WOLFSSL_ECC_X25519:
oid = ECC_X25519_OID;
#ifdef HAVE_ED25519
pkOid = ECC_ED25519_OID;
#else
pkOid = ECC_X25519_OID;
#endif
octets = 32;
break;
#endif /* HAVE_CURVE25519 */
@ -4471,13 +4459,13 @@ int TLSX_ValidateSupportedCurves(WOLFSSL* ssl, byte first, byte second) {
#if (!defined(NO_ECC256) || defined(HAVE_ALL_CURVES)) && ECC_MIN_KEY_SZ <= 256
#ifdef HAVE_ECC_KOBLITZ
case WOLFSSL_ECC_SECP256K1:
pkOid = oid = ECC_SECP256K1_OID;
oid = ECC_SECP256K1_OID;
octets = 32;
break;
#endif /* HAVE_ECC_KOBLITZ */
#ifdef HAVE_ECC_BRAINPOOL
case WOLFSSL_ECC_BRAINPOOLP256R1:
pkOid = oid = ECC_BRAINPOOLP256R1_OID;
oid = ECC_BRAINPOOLP256R1_OID;
octets = 32;
break;
#endif /* HAVE_ECC_BRAINPOOL */
@ -4485,13 +4473,13 @@ int TLSX_ValidateSupportedCurves(WOLFSSL* ssl, byte first, byte second) {
#if (defined(HAVE_ECC384) || defined(HAVE_ALL_CURVES)) && ECC_MIN_KEY_SZ <= 384
#ifndef NO_ECC_SECP
case WOLFSSL_ECC_SECP384R1:
pkOid = oid = ECC_SECP384R1_OID;
oid = ECC_SECP384R1_OID;
octets = 48;
break;
#endif /* !NO_ECC_SECP */
#ifdef HAVE_ECC_BRAINPOOL
case WOLFSSL_ECC_BRAINPOOLP384R1:
pkOid = oid = ECC_BRAINPOOLP384R1_OID;
oid = ECC_BRAINPOOLP384R1_OID;
octets = 48;
break;
#endif /* HAVE_ECC_BRAINPOOL */
@ -4500,11 +4488,6 @@ int TLSX_ValidateSupportedCurves(WOLFSSL* ssl, byte first, byte second) {
#if (defined(HAVE_CURVE448) || defined(HAVE_ED448)) && ECC_MIN_KEY_SZ <= 448
case WOLFSSL_ECC_X448:
oid = ECC_X448_OID;
#ifdef HAVE_ED448
pkOid = ECC_ED448_OID;
#else
pkOid = ECC_X448_OID;
#endif
octets = 57;
break;
#endif /* HAVE_CURVE448 */
@ -4512,7 +4495,7 @@ int TLSX_ValidateSupportedCurves(WOLFSSL* ssl, byte first, byte second) {
#if (defined(HAVE_ECC512) || defined(HAVE_ALL_CURVES)) && ECC_MIN_KEY_SZ <= 512
#ifdef HAVE_ECC_BRAINPOOL
case WOLFSSL_ECC_BRAINPOOLP512R1:
pkOid = oid = ECC_BRAINPOOLP512R1_OID;
oid = ECC_BRAINPOOLP512R1_OID;
octets = 64;
break;
#endif /* HAVE_ECC_BRAINPOOL */
@ -4520,7 +4503,7 @@ int TLSX_ValidateSupportedCurves(WOLFSSL* ssl, byte first, byte second) {
#if (defined(HAVE_ECC521) || defined(HAVE_ALL_CURVES)) && ECC_MIN_KEY_SZ <= 521
#ifndef NO_ECC_SECP
case WOLFSSL_ECC_SECP521R1:
pkOid = oid = ECC_SECP521R1_OID;
oid = ECC_SECP521R1_OID;
octets = 66;
break;
#endif /* !NO_ECC_SECP */
@ -4571,7 +4554,6 @@ int TLSX_ValidateSupportedCurves(WOLFSSL* ssl, byte first, byte second) {
case TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384:
case TLS_ECDHE_ECDSA_WITH_AES_128_CCM_8:
case TLS_ECDHE_ECDSA_WITH_AES_256_CCM_8:
sig |= ssl->pkCurveOID == pkOid;
key |= ssl->ecdhCurveOID == oid;
ephmSuite = 1;
break;
@ -4594,7 +4576,6 @@ int TLSX_ValidateSupportedCurves(WOLFSSL* ssl, byte first, byte second) {
defOid = 0;
defSz = 80;
}
sig |= ssl->pkCurveOID == pkOid;
key |= ssl->pkCurveOID == oid;
break;
#endif /* WOLFSSL_STATIC_DH */
@ -4609,7 +4590,6 @@ int TLSX_ValidateSupportedCurves(WOLFSSL* ssl, byte first, byte second) {
case TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384:
case TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256:
case TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384:
sig = 1;
key |= ssl->ecdhCurveOID == oid;
ephmSuite = 1;
break;
@ -4632,8 +4612,6 @@ int TLSX_ValidateSupportedCurves(WOLFSSL* ssl, byte first, byte second) {
defOid = 0;
defSz = 80;
}
sig = 1;
key |= ssl->pkCurveOID == pkOid;
break;
#endif /* HAVE_ECC && WOLFSSL_STATIC_DH */
#endif
@ -4646,9 +4624,6 @@ int TLSX_ValidateSupportedCurves(WOLFSSL* ssl, byte first, byte second) {
defOid = 0;
defSz = 80;
}
if (oid != ECC_X25519_OID && oid != ECC_X448_OID) {
sig = 1;
}
key = 1;
break;
}
@ -4661,7 +4636,6 @@ int TLSX_ValidateSupportedCurves(WOLFSSL* ssl, byte first, byte second) {
/* ECDHE_ECDSA */
case TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305_SHA256 :
case TLS_ECDHE_ECDSA_WITH_CHACHA20_OLD_POLY1305_SHA256 :
sig |= ssl->pkCurveOID == pkOid;
key |= ssl->ecdhCurveOID == oid;
ephmSuite = 1;
break;
@ -4670,13 +4644,11 @@ int TLSX_ValidateSupportedCurves(WOLFSSL* ssl, byte first, byte second) {
/* ECDHE_RSA */
case TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305_SHA256 :
case TLS_ECDHE_RSA_WITH_CHACHA20_OLD_POLY1305_SHA256 :
sig = 1;
key |= ssl->ecdhCurveOID == oid;
ephmSuite = 1;
break;
#endif
default:
sig = 1;
key = 1;
break;
}
@ -4708,7 +4680,7 @@ int TLSX_ValidateSupportedCurves(WOLFSSL* ssl, byte first, byte second) {
if (ssl->ecdhCurveOID == 0 && ephmSuite)
key = 0;
return sig && key;
return key;
}
#endif