1 Reply by i.fedotov

(3 replies, posted in wolfCrypt)

Thank you.

WOLFSSL_PIC32MZ_LARGE_HASH undefined (commented at pic32mz-crypt.h), and there no any changes with problem.
Config (mostly generated by Harmony v3 configurator):

******************************************************************************/
/*wolfSSL TLS Layer Configuration*/
/******************************************************************************/
#define HAVE_AES_DECRYPT
#define WOLFSSL_ALT_NAMES
#define WOLFSSL_DER_LOAD
#define KEEP_OUR_CERT
#define KEEP_PEER_CERT
#define HAVE_CRL_IO
#define HAVE_IO_TIMEOUT
#define HAVE_FFDHE_2048
#define HAVE_FFDHE_3072
#define HAVE_FFDHE_4096
#define HAVE_FFDHE_6144
#define HAVE_FFDHE_8192
#define TFM_NO_ASM
#define WOLFSSL_NO_ASM
#define SINGLE_THREADED
#define SIZEOF_LONG_LONG 8
#define WOLFSSL_USER_IO
#define NO_WRITEV
#define NO_DEV_RANDOM
#define NO_FILESYSTEM
#define MICROCHIP_TCPIP
#define USER_TICKS
#define WOLFSSL_DTLS
//#define SMALL_SESSION_CACHE

#define TFM_TIMING_RESISTANT
#define ECC_TIMING_RESISTANT
#define NO_ERROR_STRINGS
    
#define WOLFSSL_TLS13
#define HAVE_TLS_EXTENSIONS
#define HAVE_SUPPORTED_CURVES
#define WOLFSSL_POST_HANDSHAKE_AUTH
#define WC_RSA_BLINDING    
#define WC_RSA_PSS
#define HAVE_HKDF
#define WOLFSSL_CERT_GEN
//#define WOLFSSL_KEY_GEN


/*** Crypto Library Configuration ***/
#define WC_NO_HARDEN
#define NO_DSA
#define HAVE_MCAPI
#define WOLFSSL_IGNORE_FILE_WARN

#define MICROCHIP_PIC32
#define MICROCHIP_MPLAB_HARMONY
#define MICROCHIP_MPLAB_HARMONY_3
    
#define SIZEOF_LONG_LONG 8

#define USE_FAST_MATH
#define USE_CERT_BUFFERS_2048
#define NO_BIG_INT
#define WOLFSSL_AES_COUNTER
#define HAVE_AES_ECB
#define HAVE_AES_CBC
#define HAVE_AESGCM
#define CONFIG_HAVE_XDMAC
#define WOLFSSL_SHA512
#define WOLFSSL_SHA384
#define HAVE_ECC
#define WOLFSSL_STATIC_RSA
#define WOLFSSL_AES_DIRECT
#define WOLFSSL_PIC32MZ_HASH
#define WOLFSSL_MICROCHIP_PIC32MZ
//#define HAVE_MICROCHIP_HARMONY3_HW_TDES
//#define HAVE_MICROCHIP_HARMONY3_HW_RNG
//#define HAVE_MICROCHIP_HARMONY3_HW_SHA256
//#define HAVE_MICROCHIP_HARMONY3_HW_SHA1
//#define HAVE_MICROCHIP_HARMONY3_HW_AES
#define WOLFSSL_PIC32MZ_RNG

TLS 1.2

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2 Topic by i.fedotov

(3 replies, posted in wolfCrypt)

Microchip Harmony v3,  wolfssl-4.1.0 and PIC32MZ1024EFK64, i have problem with TLS when using hardware crypt.
On some files from web server, google chrom says: "net::ERR_SSL_PROTOCOL_ERROR". Files with error differ any time i refresh web page.
I found, that sometimes in function Pic32Crypto (from pic32mz-crypt.c) i get timeout==0

        /* check for errors */
        if (CESTATbits.ERROP || timeout <= 0) {
        #if 0
            printf("PIC32 Crypto: ERROP %x, ERRPHASE %x, TIMEOUT %s\n",
                CESTATbits.ERROP, CESTATbits.ERRPHASE, timeout <= 0 ? "yes" : "no");
        #endif
            Nop(); //here got brackpoint, with timeout ==0 and CESTAT == 0x001F804E 
            ret = ASYNC_OP_E;
        }

When using software crypt  - all works fine

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