| 1 | /*
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| 2 | * Copyright 1999-2020 The OpenSSL Project Authors. All Rights Reserved.
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| 3 | *
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| 4 | * Licensed under the Apache License 2.0 (the "License"). You may not use
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| 5 | * this file except in compliance with the License. You can obtain a copy
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| 6 | * in the file LICENSE in the source distribution or at
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| 7 | * https://www.openssl.org/source/license.html
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| 8 | */
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| 9 |
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| 10 | /*
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| 11 | * DSA low level APIs are deprecated for public use, but still ok for
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| 12 | * internal use.
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| 13 | */
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| 14 | #include "internal/deprecated.h"
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| 15 |
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| 16 | #include <stdio.h>
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| 17 | #include "internal/cryptlib.h"
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| 18 | #include "dsa_local.h"
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| 19 | #include <openssl/asn1.h>
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| 20 | #include <openssl/asn1t.h>
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| 21 | #include <openssl/rand.h>
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| 22 | #include "crypto/asn1_dsa.h"
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| 23 |
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| 24 | /* Override the default free and new methods */
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| 25 | static int dsa_cb(int operation, ASN1_VALUE **pval, const ASN1_ITEM *it,
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| 26 | void *exarg)
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| 27 | {
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| 28 | if (operation == ASN1_OP_NEW_PRE) {
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| 29 | *pval = (ASN1_VALUE *)DSA_new();
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| 30 | if (*pval != NULL)
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| 31 | return 2;
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| 32 | return 0;
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| 33 | } else if (operation == ASN1_OP_FREE_PRE) {
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| 34 | DSA_free((DSA *)*pval);
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| 35 | *pval = NULL;
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| 36 | return 2;
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| 37 | }
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| 38 | return 1;
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| 39 | }
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| 40 |
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| 41 | ASN1_SEQUENCE_cb(DSAPrivateKey, dsa_cb) = {
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| 42 | ASN1_EMBED(DSA, version, INT32),
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| 43 | ASN1_SIMPLE(DSA, params.p, BIGNUM),
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| 44 | ASN1_SIMPLE(DSA, params.q, BIGNUM),
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| 45 | ASN1_SIMPLE(DSA, params.g, BIGNUM),
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| 46 | ASN1_SIMPLE(DSA, pub_key, BIGNUM),
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| 47 | ASN1_SIMPLE(DSA, priv_key, CBIGNUM)
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| 48 | } static_ASN1_SEQUENCE_END_cb(DSA, DSAPrivateKey)
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| 49 |
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| 50 | IMPLEMENT_ASN1_ENCODE_FUNCTIONS_fname(DSA, DSAPrivateKey, DSAPrivateKey)
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| 51 |
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| 52 | ASN1_SEQUENCE_cb(DSAparams, dsa_cb) = {
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| 53 | ASN1_SIMPLE(DSA, params.p, BIGNUM),
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| 54 | ASN1_SIMPLE(DSA, params.q, BIGNUM),
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| 55 | ASN1_SIMPLE(DSA, params.g, BIGNUM),
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| 56 | } static_ASN1_SEQUENCE_END_cb(DSA, DSAparams)
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| 57 |
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| 58 | IMPLEMENT_ASN1_ENCODE_FUNCTIONS_fname(DSA, DSAparams, DSAparams)
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| 59 |
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| 60 | ASN1_SEQUENCE_cb(DSAPublicKey, dsa_cb) = {
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| 61 | ASN1_SIMPLE(DSA, pub_key, BIGNUM),
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| 62 | ASN1_SIMPLE(DSA, params.p, BIGNUM),
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| 63 | ASN1_SIMPLE(DSA, params.q, BIGNUM),
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| 64 | ASN1_SIMPLE(DSA, params.g, BIGNUM)
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| 65 | } static_ASN1_SEQUENCE_END_cb(DSA, DSAPublicKey)
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| 66 |
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| 67 | IMPLEMENT_ASN1_ENCODE_FUNCTIONS_fname(DSA, DSAPublicKey, DSAPublicKey)
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| 68 |
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| 69 | DSA *DSAparams_dup(const DSA *dsa)
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| 70 | {
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| 71 | return ASN1_item_dup(ASN1_ITEM_rptr(DSAparams), dsa);
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| 72 | }
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