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Moving the ecdhe_computed variable into the handshake structure

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This commit is contained in:
Hannes Tschofenig 2020-12-15 12:50:37 +01:00
parent 34630562cd
commit 32846c62ac
2 changed files with 3 additions and 5 deletions
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1
include/mbedtls/ssl_internal.h
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@ -574,6 +574,7 @@ struct mbedtls_ssl_handshake_params
#if defined(MBEDTLS_USE_TINYCRYPT)
uint8_t ecdh_privkey[NUM_ECC_BYTES];
#if defined(MBEDTLS_EARLY_KEY_COMPUTATION)
uint8_t ecdhe_computed;
uint8_t ecdh_publickey[2*NUM_ECC_BYTES];
#endif /* MBEDTLS_EARLY_KEY_COMPUTATION */
uint8_t ecdh_peerkey[2*NUM_ECC_BYTES];

7
library/ssl_cli.c
View File

@ -4259,9 +4259,6 @@ int mbedtls_ssl_handshake_client_step( mbedtls_ssl_context *ssl )
{
case MBEDTLS_SSL_HELLO_REQUEST:
ssl->state = MBEDTLS_SSL_CLIENT_HELLO;
#if defined(MBEDTLS_EARLY_KEY_COMPUTATION)
int ecdhe_computed = 0;
#endif /* MBEDTLS_EARLY_KEY_COMPUTATION */
break;
/*
@ -4281,14 +4278,14 @@ int mbedtls_ssl_handshake_client_step( mbedtls_ssl_context *ssl )
case MBEDTLS_SSL_SERVER_HELLO:
#if defined(MBEDTLS_EARLY_KEY_COMPUTATION) && defined(MBEDTLS_USE_TINYCRYPT)
/* Make sure that the ECDHE pre-computation is only done once */
if( ecdhe_computed == 0 )
if( ssl->handshake->ecdhe_computed == 0 )
{
ret = uECC_make_key( ssl->handshake->ecdh_publickey, ssl->handshake->ecdh_privkey );
if( ret == UECC_FAULT_DETECTED )
return( MBEDTLS_ERR_PLATFORM_FAULT_DETECTED );
if( ret != UECC_SUCCESS )
return( MBEDTLS_ERR_SSL_HW_ACCEL_FAILED );
ecdhe_computed = 1;
ssl->handshake->ecdhe_computed = 1;
}
#endif /* MBEDTLS_EARLY_KEY_COMPUTATION && MBEDTLS_USE_TINYCRYPT */