Delete unused PKEY MAC files

Now that the all the legacy PKEY MAC bridge code has been moved to the
providers we no longer need the old bridge and it can be removed.

Reviewed-by: Paul Dale <paul.dale@oracle.com>
(Merged from https://github.com/openssl/openssl/pull/12637)

2 files changed, 1 insertions, 134 deletions

diff --git a/crypto/hmac/build.info b/crypto/hmac/build.info
index 4ed90c09f4..b828ab122e 100644
--- a/crypto/hmac/build.info
+++ b/crypto/hmac/build.info
@@ -2,5 +2,5 @@ LIBS=../../libcrypto
 
 $COMMON=hmac.c
 
-SOURCE[../../libcrypto]=$COMMON hm_ameth.c
+SOURCE[../../libcrypto]=$COMMON
 SOURCE[../../providers/libfips.a]=$COMMON
diff --git a/crypto/hmac/hm_ameth.c b/crypto/hmac/hm_ameth.c
deleted file mode 100644
index a0e1556b41..0000000000
--- a/crypto/hmac/hm_ameth.c
+++ /dev/null
@@ -1,133 +0,0 @@
-/*
- * Copyright 2007-2020 The OpenSSL Project Authors. All Rights Reserved.
- *
- * Licensed under the Apache License 2.0 (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
- */
-
-/*
- * HMAC low level APIs are deprecated for public use, but still ok for internal
- * use.
- */
-#include "internal/deprecated.h"
-
-#include <stdio.h>
-#include "internal/cryptlib.h"
-#include <openssl/evp.h>
-#include "crypto/asn1.h"
-#include "crypto/evp.h"
-
-/*
- * HMAC "ASN1" method. This is just here to indicate the maximum HMAC output
- * length and to free up an HMAC key.
- */
-
-static int hmac_size(const EVP_PKEY *pkey)
-{
-    return EVP_MAX_MD_SIZE;
-}
-
-static void hmac_key_free(EVP_PKEY *pkey)
-{
-    ASN1_OCTET_STRING *os = EVP_PKEY_get0(pkey);
-    if (os) {
-        if (os->data)
-            OPENSSL_cleanse(os->data, os->length);
-        ASN1_OCTET_STRING_free(os);
-    }
-}
-
-static int hmac_pkey_ctrl(EVP_PKEY *pkey, int op, long arg1, void *arg2)
-{
-    switch (op) {
-    case ASN1_PKEY_CTRL_DEFAULT_MD_NID:
-        *(int *)arg2 = NID_sha256;
-        return 1;
-
-    default:
-        return -2;
-    }
-}
-
-static int hmac_pkey_public_cmp(const EVP_PKEY *a, const EVP_PKEY *b)
-{
-    return ASN1_OCTET_STRING_cmp(EVP_PKEY_get0(a), EVP_PKEY_get0(b));
-}
-
-static int hmac_set_priv_key(EVP_PKEY *pkey, const unsigned char *priv,
-                             size_t len)
-{
-    ASN1_OCTET_STRING *os;
-
-    if (pkey->pkey.ptr != NULL)
-        return 0;
-
-    os = ASN1_OCTET_STRING_new();
-    if (os == NULL)
-        return 0;
-
-
-    if (!ASN1_OCTET_STRING_set(os, priv, len)) {
-        ASN1_OCTET_STRING_free(os);
-        return 0;
-    }
-
-    pkey->pkey.ptr = os;
-    return 1;
-}
-
-static int hmac_get_priv_key(const EVP_PKEY *pkey, unsigned char *priv,
-                             size_t *len)
-{
-    ASN1_OCTET_STRING *os = (ASN1_OCTET_STRING *)pkey->pkey.ptr;
-
-    if (priv == NULL) {
-        *len = ASN1_STRING_length(os);
-        return 1;
-    }
-
-    if (os == NULL || *len < (size_t)ASN1_STRING_length(os))
-        return 0;
-
-    *len = ASN1_STRING_length(os);
-    memcpy(priv, ASN1_STRING_get0_data(os), *len);
-
-    return 1;
-}
-
-const EVP_PKEY_ASN1_METHOD hmac_asn1_meth = {
-    EVP_PKEY_HMAC,
-    EVP_PKEY_HMAC,
-    0,
-
-    "HMAC",
-    "OpenSSL HMAC method",
-
-    0, 0, hmac_pkey_public_cmp, 0,
-
-    0, 0, 0,
-
-    hmac_size,
-    0, 0,
-    0, 0, 0, 0, 0, 0, 0,
-
-    hmac_key_free,
-    hmac_pkey_ctrl,
-    NULL,
-    NULL,
-
-    NULL,
-    NULL,
-    NULL,
-
-    NULL,
-    NULL,
-    NULL,
-
-    hmac_set_priv_key,
-    NULL,
-    hmac_get_priv_key,
-    NULL,
-};