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Implement review comments

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This commit is contained in:
Vysakh P Pillai
2020-12-03 08:25:40 +05:30
committed by GitHub
parent 3a2675fb63
commit 376cac5ab1
1 changed files with 13 additions and 29 deletions
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34
wolfcrypt/src/port/atmel/atmel.c
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@ -913,50 +913,35 @@ static int atcatls_set_certificates(WOLFSSL_CTX *ctx)
{
int ret = 0;
ATCA_STATUS status;
size_t signerCertSize = 0;
size_t signerCertSize = 1024;
uint8_t signerCert[signerCertSize];
size_t deviceCertSize = 0;
size_t deviceCertSize = 1024;
uint8_t deviceCert[deviceCertSize];
int devPemSz, signerPemSz;
byte devPem[1024];
byte signerPem[1024];
char devCertChain[devPemSz+signerPemSz];
char devCertChain[2048];
/*Read signer cert*/
status = tng_atcacert_max_signer_cert_size(&signerCertSize);
if (ATCA_SUCCESS != status) {
ret = atmel_ecc_translate_err(ret);
return ret;
}
status = tng_atcacert_read_signer_cert((uint8_t*)&signerCert, &signerCertSize);
if (ATCA_SUCCESS != status) {
ret = atmel_ecc_translate_err(ret);
return ret;
}
/*Read device cert signed by the signer above*/
status = tng_atcacert_max_device_cert_size(&deviceCertSize);
status = tng_atcacert_read_device_cert((uint8_t*)deviceCert, &deviceCertSize, (uint8_t*)signerCert);
if (ATCA_SUCCESS != status) {
ret = atmel_ecc_translate_err(ret);
return ret;
}
status = tng_atcacert_read_device_cert((uint8_t*) & deviceCert, &deviceCertSize, (uint8_t*) & signerCert);
if (ATCA_SUCCESS != status) {
ret = atmel_ecc_translate_err(ret);
return ret;
}
/*Generate a PEM chain for device certificate.*/
XMEMSET(devPem, 0, 1024);
XMEMSET(signerPem, 0, 1024);
devPemSz = wc_DerToPem(deviceCert, deviceCertSize, devPem, sizeof(devPem), CERT_TYPE);
/*Generate a PEM chain of device certificate.*/
XMEMSET(devCertChain, 0, sizeof(devCertChain));
devPemSz = wc_DerToPem(deviceCert, deviceCertSize, (byte*)&devCertChain[0], sizeof(devCertChain), CERT_TYPE);
if((devPemSz <= 0)){
return devPemSz;
}
signerPemSz = wc_DerToPem(signerCert, signerCertSize, signerPem, sizeof(signerPem), CERT_TYPE);
signerPemSz = wc_DerToPem(signerCert, signerCertSize, (byte*)&devCertChain[devPemSz], sizeof(devCertChain)-devPemSz, CERT_TYPE);
if((signerPemSz <= 0)){
return signerPemSz;
}
XSTRNCAT(devCertChain,(char*)devPem,devPemSz);
XSTRNCAT(devCertChain,(char*)signerPem,signerPemSz);
ret = wolfSSL_CTX_use_certificate_chain_buffer(ctx, (const unsigned char*)devCertChain, XSTRLEN(devCertChain));
if (ret != WOLFSSL_SUCCESS) {
ret = -1;
@ -969,7 +954,7 @@ static int atcatls_set_certificates(WOLFSSL_CTX *ctx)
int atcatls_set_callbacks(WOLFSSL_CTX* ctx)
{
int ret;
int ret = 0;
wolfSSL_CTX_SetEccKeyGenCb(ctx, atcatls_create_key_cb);
wolfSSL_CTX_SetEccVerifyCb(ctx, atcatls_verify_signature_cb);
wolfSSL_CTX_SetEccSignCb(ctx, atcatls_sign_certificate_cb);
@ -980,7 +965,6 @@ int atcatls_set_callbacks(WOLFSSL_CTX* ctx)
#ifdef WOLFSSL_ATECC_DEBUG
printf("atcatls_set_certificates failed. (%d) \r\n",ret);
#endif
return ret;
}
#endif
return 0;