Upgrade openssl from 1.1.0e to 1.1.1b, with source code. 4.0.78

trunk/3rdparty/openssl-1.1-fit/crypto/asn1/a_verify.c

@@ -0,0 +1,178 @@
+/*
+ * Copyright 1995-2016 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
+ * in the file LICENSE in the source distribution or at
+ * https://www.openssl.org/source/license.html
+ */
+
+#include <stdio.h>
+#include <time.h>
+#include <sys/types.h>
+
+#include "internal/cryptlib.h"
+
+#include <openssl/bn.h>
+#include <openssl/x509.h>
+#include <openssl/objects.h>
+#include <openssl/buffer.h>
+#include <openssl/evp.h>
+#include "internal/asn1_int.h"
+#include "internal/evp_int.h"
+
+#ifndef NO_ASN1_OLD
+
+int ASN1_verify(i2d_of_void *i2d, X509_ALGOR *a, ASN1_BIT_STRING *signature,
+                char *data, EVP_PKEY *pkey)
+{
+    EVP_MD_CTX *ctx = EVP_MD_CTX_new();
+    const EVP_MD *type;
+    unsigned char *p, *buf_in = NULL;
+    int ret = -1, i, inl;
+
+    if (ctx == NULL) {
+        ASN1err(ASN1_F_ASN1_VERIFY, ERR_R_MALLOC_FAILURE);
+        goto err;
+    }
+    i = OBJ_obj2nid(a->algorithm);
+    type = EVP_get_digestbyname(OBJ_nid2sn(i));
+    if (type == NULL) {
+        ASN1err(ASN1_F_ASN1_VERIFY, ASN1_R_UNKNOWN_MESSAGE_DIGEST_ALGORITHM);
+        goto err;
+    }
+
+    if (signature->type == V_ASN1_BIT_STRING && signature->flags & 0x7) {
+        ASN1err(ASN1_F_ASN1_VERIFY, ASN1_R_INVALID_BIT_STRING_BITS_LEFT);
+        goto err;
+    }
+
+    inl = i2d(data, NULL);
+    if (inl <= 0) {
+        ASN1err(ASN1_F_ASN1_VERIFY, ERR_R_INTERNAL_ERROR);
+        goto err;
+    }
+    buf_in = OPENSSL_malloc((unsigned int)inl);
+    if (buf_in == NULL) {
+        ASN1err(ASN1_F_ASN1_VERIFY, ERR_R_MALLOC_FAILURE);
+        goto err;
+    }
+    p = buf_in;
+
+    i2d(data, &p);
+    ret = EVP_VerifyInit_ex(ctx, type, NULL)
+        && EVP_VerifyUpdate(ctx, (unsigned char *)buf_in, inl);
+
+    OPENSSL_clear_free(buf_in, (unsigned int)inl);
+
+    if (!ret) {
+        ASN1err(ASN1_F_ASN1_VERIFY, ERR_R_EVP_LIB);
+        goto err;
+    }
+    ret = -1;
+
+    if (EVP_VerifyFinal(ctx, (unsigned char *)signature->data,
+                        (unsigned int)signature->length, pkey) <= 0) {
+        ASN1err(ASN1_F_ASN1_VERIFY, ERR_R_EVP_LIB);
+        ret = 0;
+        goto err;
+    }
+    ret = 1;
+ err:
+    EVP_MD_CTX_free(ctx);
+    return ret;
+}
+
+#endif
+
+int ASN1_item_verify(const ASN1_ITEM *it, X509_ALGOR *a,
+                     ASN1_BIT_STRING *signature, void *asn, EVP_PKEY *pkey)
+{
+    EVP_MD_CTX *ctx = NULL;
+    unsigned char *buf_in = NULL;
+    int ret = -1, inl = 0;
+    int mdnid, pknid;
+    size_t inll = 0;
+
+    if (!pkey) {
+        ASN1err(ASN1_F_ASN1_ITEM_VERIFY, ERR_R_PASSED_NULL_PARAMETER);
+        return -1;
+    }
+
+    if (signature->type == V_ASN1_BIT_STRING && signature->flags & 0x7) {
+        ASN1err(ASN1_F_ASN1_ITEM_VERIFY, ASN1_R_INVALID_BIT_STRING_BITS_LEFT);
+        return -1;
+    }
+
+    ctx = EVP_MD_CTX_new();
+    if (ctx == NULL) {
+        ASN1err(ASN1_F_ASN1_ITEM_VERIFY, ERR_R_MALLOC_FAILURE);
+        goto err;
+    }
+
+    /* Convert signature OID into digest and public key OIDs */
+    if (!OBJ_find_sigid_algs(OBJ_obj2nid(a->algorithm), &mdnid, &pknid)) {
+        ASN1err(ASN1_F_ASN1_ITEM_VERIFY, ASN1_R_UNKNOWN_SIGNATURE_ALGORITHM);
+        goto err;
+    }
+    if (mdnid == NID_undef) {
+        if (!pkey->ameth || !pkey->ameth->item_verify) {
+            ASN1err(ASN1_F_ASN1_ITEM_VERIFY,
+                    ASN1_R_UNKNOWN_SIGNATURE_ALGORITHM);
+            goto err;
+        }
+        ret = pkey->ameth->item_verify(ctx, it, asn, a, signature, pkey);
+        /*
+         * Return value of 2 means carry on, anything else means we exit
+         * straight away: either a fatal error of the underlying verification
+         * routine handles all verification.
+         */
+        if (ret != 2)
+            goto err;
+        ret = -1;
+    } else {
+        const EVP_MD *type = EVP_get_digestbynid(mdnid);
+
+        if (type == NULL) {
+            ASN1err(ASN1_F_ASN1_ITEM_VERIFY,
+                    ASN1_R_UNKNOWN_MESSAGE_DIGEST_ALGORITHM);
+            goto err;
+        }
+
+        /* Check public key OID matches public key type */
+        if (EVP_PKEY_type(pknid) != pkey->ameth->pkey_id) {
+            ASN1err(ASN1_F_ASN1_ITEM_VERIFY, ASN1_R_WRONG_PUBLIC_KEY_TYPE);
+            goto err;
+        }
+
+        if (!EVP_DigestVerifyInit(ctx, NULL, type, NULL, pkey)) {
+            ASN1err(ASN1_F_ASN1_ITEM_VERIFY, ERR_R_EVP_LIB);
+            ret = 0;
+            goto err;
+        }
+
+    }
+
+    inl = ASN1_item_i2d(asn, &buf_in, it);
+    if (inl <= 0) {
+        ASN1err(ASN1_F_ASN1_ITEM_VERIFY, ERR_R_INTERNAL_ERROR);
+        goto err;
+    }
+    if (buf_in == NULL) {
+        ASN1err(ASN1_F_ASN1_ITEM_VERIFY, ERR_R_MALLOC_FAILURE);
+        goto err;
+    }
+    inll = inl;
+
+    ret = EVP_DigestVerify(ctx, signature->data, (size_t)signature->length,
+                           buf_in, inl);
+    if (ret <= 0) {
+        ASN1err(ASN1_F_ASN1_ITEM_VERIFY, ERR_R_EVP_LIB);
+        goto err;
+    }
+    ret = 1;
+ err:
+    OPENSSL_clear_free(buf_in, inll);
+    EVP_MD_CTX_free(ctx);
+    return ret;
+}