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Bug found by Stef Hoeben. 

git-svn-id: https://www.opensc-project.org/svnp/opensc/trunk@1857 c6295689-39f2-0310-b995-f0e70906c6a9
This commit is contained in:
aj 2004-07-21 22:11:12 +00:00
parent 23ebb42bcf
commit ef89694f00
1 changed files with 13 additions and 2 deletions
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15
src/tools/pkcs11-tool.c
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@ -2123,6 +2123,7 @@ encrypt_decrypt(CK_SLOT_ID slot, CK_SESSION_HANDLE session,
unsigned char encrypted[512], data[512];
CK_MECHANISM mech;
CK_ULONG encrypted_len, data_len;
int failed;
CK_RV rv;
printf(" %s: ", p11_mechanism_to_name(mech_type));
@ -2157,11 +2158,21 @@ encrypt_decrypt(CK_SLOT_ID slot, CK_SESSION_HANDLE session,
if (rv != CKR_OK)
p11_fatal("C_Decrypt", rv);
if (data_len != sizeof(orig_data) || memcmp(orig_data, data, data_len)) {
if (mech_type == CKM_RSA_X_509)
failed = (data[0] != 0) || (data[1] != 2) || (data_len <= sizeof(orig_data) - 2) ||
memcmp(orig_data, data + data_len - sizeof(orig_data), sizeof(orig_data));
else
failed = data_len != sizeof(orig_data) || memcmp(orig_data, data, data_len);
if (failed) {
CK_ULONG n;
printf("resulting cleartext doesn't match input\n");
printf(" Decrypt:");
printf(" Original:");
for (n = 0; n < sizeof(orig_data); n++)
printf(" %02x", orig_data[n]);
printf("\n");
printf(" Decrypted:");
for (n = 0; n < data_len; n++)
printf(" %02x", data[n]);
printf("\n");