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path: root/deps/openssl/openssl/engines/e_capi.c
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Diffstat (limited to 'deps/openssl/openssl/engines/e_capi.c')
-rw-r--r--deps/openssl/openssl/engines/e_capi.c30
1 files changed, 22 insertions, 8 deletions
diff --git a/deps/openssl/openssl/engines/e_capi.c b/deps/openssl/openssl/engines/e_capi.c
index 4660f1a340..a1de0b4b3c 100644
--- a/deps/openssl/openssl/engines/e_capi.c
+++ b/deps/openssl/openssl/engines/e_capi.c
@@ -1,5 +1,5 @@
/*
- * Copyright 2008-2016 The OpenSSL Project Authors. All Rights Reserved.
+ * Copyright 2008-2018 The OpenSSL Project Authors. All Rights Reserved.
*
* Licensed under the OpenSSL license (the "License"). You may not use
* this file except in compliance with the License. You can obtain a copy
@@ -917,6 +917,7 @@ int capi_rsa_priv_dec(int flen, const unsigned char *from,
unsigned char *tmpbuf;
CAPI_KEY *capi_key;
CAPI_CTX *ctx;
+ DWORD flags = 0;
DWORD dlen;
if (flen <= 0)
@@ -932,12 +933,23 @@ int capi_rsa_priv_dec(int flen, const unsigned char *from,
return -1;
}
- if (padding != RSA_PKCS1_PADDING) {
- char errstr[10];
- BIO_snprintf(errstr, 10, "%d", padding);
- CAPIerr(CAPI_F_CAPI_RSA_PRIV_DEC, CAPI_R_UNSUPPORTED_PADDING);
- ERR_add_error_data(2, "padding=", errstr);
- return -1;
+ switch (padding) {
+ case RSA_PKCS1_PADDING:
+ /* Nothing to do */
+ break;
+#ifdef CRYPT_DECRYPT_RSA_NO_PADDING_CHECK
+ case RSA_NO_PADDING:
+ flags = CRYPT_DECRYPT_RSA_NO_PADDING_CHECK;
+ break;
+#endif
+ default:
+ {
+ char errstr[10];
+ BIO_snprintf(errstr, 10, "%d", padding);
+ CAPIerr(CAPI_F_CAPI_RSA_PRIV_DEC, CAPI_R_UNSUPPORTED_PADDING);
+ ERR_add_error_data(2, "padding=", errstr);
+ return -1;
+ }
}
/* Create temp reverse order version of input */
@@ -950,14 +962,16 @@ int capi_rsa_priv_dec(int flen, const unsigned char *from,
/* Finally decrypt it */
dlen = flen;
- if (!CryptDecrypt(capi_key->key, 0, TRUE, 0, tmpbuf, &dlen)) {
+ if (!CryptDecrypt(capi_key->key, 0, TRUE, flags, tmpbuf, &dlen)) {
CAPIerr(CAPI_F_CAPI_RSA_PRIV_DEC, CAPI_R_DECRYPT_ERROR);
capi_addlasterror();
+ OPENSSL_cleanse(tmpbuf, dlen);
OPENSSL_free(tmpbuf);
return -1;
} else {
memcpy(to, tmpbuf, (flen = (int)dlen));
}
+ OPENSSL_cleanse(tmpbuf, flen);
OPENSSL_free(tmpbuf);
return flen;