VivoKey/vsmartcard
7
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases 1 Wiki Activity

adapted to changes of openpace in 91d6ee1ec80f6...

Browse Source
This commit is contained in:
Frank Morgner
2012-10-05 16:18:12 +02:00
parent 801e80a350
commit df00bca2f0
2 changed files with 15 additions and 43 deletions
Download Patch File Download Diff File Expand all files Collapse all files

46
npa/src/npa.c
View File

@@ -216,8 +216,6 @@ IMPLEMENT_ASN1_FUNCTIONS(NPA_GEN_AUTH_CA_R)
/** NPA secure messaging context */
struct npa_sm_ctx {
/** Send sequence counter */
BIGNUM *ssc;
/** EAC context */
EAC_CTX *ctx;
/** Certificate Description given on initialization of PACE */
@@ -254,10 +252,6 @@ static int npa_sm_finish(sc_card_t *card, const struct sm_ctx *ctx,
sc_apdu_t *apdu);
static void npa_sm_clear_free(const struct sm_ctx *ctx);
static int increment_ssc(struct npa_sm_ctx *eacsmctx);
static int decrement_ssc(struct npa_sm_ctx *eacsmctx);
static int reset_ssc(struct npa_sm_ctx *eacsmctx);
char npa_default_flags = 0;
@@ -271,10 +265,6 @@ npa_sm_ctx_create(EAC_CTX *ctx, const unsigned char *certificate_description,
if (!out)
goto err;
out->ssc = BN_new();
if (!out->ssc || reset_ssc(out) < 0)
goto err;
out->ctx = ctx;
if (certificate_description && certificate_description_length) {
@@ -300,11 +290,7 @@ npa_sm_ctx_create(EAC_CTX *ctx, const unsigned char *certificate_description,
return out;
err:
if (out) {
if (out->ssc)
BN_clear_free(out->ssc);
free(out);
}
free(out);
return NULL;
}
@@ -1959,18 +1945,8 @@ increment_ssc(struct npa_sm_ctx *eacsmctx)
if (!eacsmctx)
return SC_ERROR_INVALID_ARGUMENTS;
BN_add_word(eacsmctx->ssc, 1);
return SC_SUCCESS;
}
int
decrement_ssc(struct npa_sm_ctx *eacsmctx)
{
if (!eacsmctx)
return SC_ERROR_INVALID_ARGUMENTS;
BN_sub_word(eacsmctx->ssc, 1);
if (!EAC_increment_ssc(eacsmctx->ctx))
return SC_ERROR_INTERNAL;
return SC_SUCCESS;
}
@@ -1981,7 +1957,8 @@ reset_ssc(struct npa_sm_ctx *eacsmctx)
if (!eacsmctx)
return SC_ERROR_INVALID_ARGUMENTS;
BN_zero(eacsmctx->ssc);
if (!EAC_reset_ssc(eacsmctx->ctx))
return SC_ERROR_INTERNAL;
return SC_SUCCESS;
}
@@ -2001,7 +1978,7 @@ npa_sm_encrypt(sc_card_t *card, const struct sm_ctx *ctx,
struct npa_sm_ctx *eacsmctx = ctx->priv_data;
databuf = BUF_MEM_create_init(data, datalen);
encbuf = EAC_encrypt(eacsmctx->ctx, eacsmctx->ssc, databuf);
encbuf = EAC_encrypt(eacsmctx->ctx, databuf);
if (!databuf || !encbuf) {
sc_debug(card->ctx, SC_LOG_DEBUG_VERBOSE, "Could not encrypt data.");
ssl_error(card->ctx);
@@ -2042,7 +2019,7 @@ npa_sm_decrypt(sc_card_t *card, const struct sm_ctx *ctx,
struct npa_sm_ctx *eacsmctx = ctx->priv_data;
encbuf = BUF_MEM_create_init(enc, enclen);
databuf = EAC_decrypt(eacsmctx->ctx, eacsmctx->ssc, encbuf);
databuf = EAC_decrypt(eacsmctx->ctx, encbuf);
if (!encbuf || !databuf) {
sc_debug(card->ctx, SC_LOG_DEBUG_VERBOSE, "Could not decrypt data.");
ssl_error(card->ctx);
@@ -2073,7 +2050,7 @@ npa_sm_authenticate(sc_card_t *card, const struct sm_ctx *ctx,
const u8 *data, size_t datalen, u8 **macdata)
{
BUF_MEM *inbuf = NULL, *macbuf = NULL;
u8 *p = NULL, *ssc = NULL;
u8 *p = NULL;
int r;
if (!card || !ctx || !ctx->priv_data || !macdata) {
@@ -2088,7 +2065,7 @@ npa_sm_authenticate(sc_card_t *card, const struct sm_ctx *ctx,
goto err;
}
macbuf = EAC_authenticate(eacsmctx->ctx, eacsmctx->ssc, inbuf);
macbuf = EAC_authenticate(eacsmctx->ctx, inbuf);
if (!macbuf) {
sc_debug(card->ctx, SC_LOG_DEBUG_VERBOSE,
"Could not compute message authentication code (MAC).");
@@ -2112,7 +2089,6 @@ err:
BUF_MEM_free(inbuf);
if (macbuf)
BUF_MEM_free(macbuf);
free(ssc);
return r;
}
@@ -2138,7 +2114,7 @@ npa_sm_verify_authentication(sc_card_t *card, const struct sm_ctx *ctx,
goto err;
}
my_mac = EAC_authenticate(eacsmctx->ctx, eacsmctx->ssc, inbuf);
my_mac = EAC_authenticate(eacsmctx->ctx, inbuf);
if (!my_mac) {
sc_debug(card->ctx, SC_LOG_DEBUG_VERBOSE,
"Could not compute message authentication code (MAC) for verification.");
@@ -2462,8 +2438,6 @@ npa_sm_clear_free(const struct sm_ctx *ctx)
if (ctx) {
struct npa_sm_ctx *eacsmctx = ctx->priv_data;
EAC_CTX_clear_free(eacsmctx->ctx);
if (eacsmctx->ssc)
BN_clear_free(eacsmctx->ssc);
if (eacsmctx->certificate_description)
BUF_MEM_free(eacsmctx->certificate_description);
if (eacsmctx->id_icc)

12
virtualsmartcard/src/vpicc/virtualsmartcard/cards/nPA.py
View File

@@ -105,7 +105,6 @@ class nPA_SE(Security_Environment):
self.eac_step = 0
self.sec = None
self.eac_ctx = None
self.ssc = 0
self.car = "DECVCAeID00102"
self.cvca = None
self.ca_key = None
@@ -380,7 +379,7 @@ class nPA_SE(Security_Environment):
raise SwError(SW["ERR_CONDITIONNOTSATISFIED"])
def compute_cryptographic_checksum(self, p1, p2, data):
checksum = pace.EAC_authenticate(self.eac_ctx, self.ssc, data)
checksum = pace.EAC_authenticate(self.eac_ctx, data)
if not checksum:
pace.print_ossl_err()
raise SwError(SW["ERR_NOINFO69"])
@@ -389,7 +388,7 @@ class nPA_SE(Security_Environment):
def encipher(self, p1, p2, data):
padded = vsCrypto.append_padding(self.cct.blocklength, data)
cipher = pace.EAC_encrypt(self.eac_ctx, self.ssc, padded)
cipher = pace.EAC_encrypt(self.eac_ctx, padded)
if not cipher:
pace.print_ossl_err()
raise SwError(SW["ERR_NOINFO69"])
@@ -397,7 +396,7 @@ class nPA_SE(Security_Environment):
return cipher
def decipher(self, p1, p2, data):
plain = pace.EAC_decrypt(self.eac_ctx, self.ssc, data)
plain = pace.EAC_decrypt(self.eac_ctx, data)
if not plain:
pace.print_ossl_err()
raise SwError(SW["ERR_NOINFO69"])
@@ -555,14 +554,13 @@ class nPA_SAM(SAM):
print "switching to new encryption context established in %s:" % protocol
pace.EAC_CTX_print_private(self.current_SE.eac_ctx, 4)
self.current_SE.ssc = 0
pace.EAC_CTX_set_encryption_ctx(self.current_SE.eac_ctx, self.current_SE.new_encryption_ctx)
delattr(self.current_SE, "new_encryption_ctx")
self.current_SE.ssc += 1
pace.EAC_increment_ssc(self.current_SE.eac_ctx)
return SAM.parse_SM_CAPDU(self, CAPDU, 1)
def protect_result(self, sw, unprotected_result):
self.current_SE.ssc += 1
pace.EAC_increment_ssc(self.current_SE.eac_ctx)
return SAM.protect_result(self, sw, unprotected_result)