Latest update.
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+22
-17
@@ -15,31 +15,37 @@
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#define ASN1_SEQUENCE 0x30
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#define ASN1_OID 0x06
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/* dsaWithSHA OIDs are of the form: (1 3 14 3 2 |n|) */
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#define ENCODE_ALGORITHMIDENTIFIER_SHA(name, n) \
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/*
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* id-dsa-with-sha1 OBJECT IDENTIFIER ::= {
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* iso(1) member-body(2) us(840) x9-57(10040) x9cm(4) 3
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* }
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*/
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#define ENCODE_ALGORITHMIDENTIFIER_RFC3279(name, n) \
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static const unsigned char algorithmidentifier_##name##_der[] = { \
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ASN1_SEQUENCE, 0x07, \
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ASN1_OID, 0x05, 1 * 40 + 3, 14, 3, 2, n \
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ASN1_SEQUENCE, 0x09, \
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ASN1_OID, 0x07, 1 * 40 + 2, 134, 72, 206, 56, 4, n \
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}
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ENCODE_ALGORITHMIDENTIFIER_SHA(sha, 13);
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ENCODE_ALGORITHMIDENTIFIER_SHA(sha1, 27);
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ENCODE_ALGORITHMIDENTIFIER_RFC3279(sha1, 3);
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/* dsaWithSHA OIDs are of the form: (2 16 840 1 101 3 4 3 |n|) */
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#define ENCODE_ALGORITHMIDENTIFIER_SHAx(name, n) \
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/*
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* dsaWithSHAx OIDs are of the form: (sigAlgs |n|)
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* where sigAlgs OBJECT IDENTIFIER ::= { 2 16 840 1 101 3 4 3 }
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*/
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#define ENCODE_ALGORITHMIDENTIFIER_SIGALGS(name, n) \
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static const unsigned char algorithmidentifier_##name##_der[] = { \
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ASN1_SEQUENCE, 0x0b, \
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ASN1_OID, 0x09, 2 * 40 + 16, 0x86, 0x48, 1, 101, 3, 4, 3, n \
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}
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ENCODE_ALGORITHMIDENTIFIER_SHAx(sha224, 1);
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ENCODE_ALGORITHMIDENTIFIER_SHAx(sha256, 2);
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ENCODE_ALGORITHMIDENTIFIER_SHAx(sha384, 3);
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ENCODE_ALGORITHMIDENTIFIER_SHAx(sha512, 4);
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ENCODE_ALGORITHMIDENTIFIER_SHAx(sha3_224, 5);
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ENCODE_ALGORITHMIDENTIFIER_SHAx(sha3_256, 6);
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ENCODE_ALGORITHMIDENTIFIER_SHAx(sha3_384, 7);
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ENCODE_ALGORITHMIDENTIFIER_SHAx(sha3_512, 8);
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ENCODE_ALGORITHMIDENTIFIER_SIGALGS(sha224, 1);
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ENCODE_ALGORITHMIDENTIFIER_SIGALGS(sha256, 2);
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ENCODE_ALGORITHMIDENTIFIER_SIGALGS(sha384, 3);
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ENCODE_ALGORITHMIDENTIFIER_SIGALGS(sha512, 4);
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ENCODE_ALGORITHMIDENTIFIER_SIGALGS(sha3_224, 5);
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ENCODE_ALGORITHMIDENTIFIER_SIGALGS(sha3_256, 6);
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ENCODE_ALGORITHMIDENTIFIER_SIGALGS(sha3_384, 7);
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ENCODE_ALGORITHMIDENTIFIER_SIGALGS(sha3_512, 8);
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#define MD_CASE(name) \
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case NID_##name: \
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@@ -49,7 +55,6 @@ ENCODE_ALGORITHMIDENTIFIER_SHAx(sha3_512, 8);
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const unsigned char *dsa_algorithmidentifier_encoding(int md_nid, size_t *len)
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{
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switch (md_nid) {
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MD_CASE(sha);
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MD_CASE(sha1);
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MD_CASE(sha224);
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MD_CASE(sha256);
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+62
-5
@@ -1,5 +1,5 @@
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/*
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* Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved.
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* Copyright 1995-2020 The OpenSSL Project Authors. All Rights Reserved.
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*
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* Licensed under the Apache License 2.0 (the "License"). You may not use
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* this file except in compliance with the License. You can obtain a copy
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@@ -17,10 +17,12 @@
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#include <time.h>
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#include "internal/cryptlib.h"
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#include <openssl/bn.h>
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#include <openssl/self_test.h>
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#include "crypto/dsa.h"
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#include "dsa_local.h"
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static int dsa_builtin_keygen(DSA *dsa);
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static int dsa_keygen(DSA *dsa, int pairwise_test);
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static int dsa_keygen_pairwise_test(DSA *dsa, OSSL_CALLBACK *cb, void *cbarg);
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int DSA_generate_key(DSA *dsa)
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{
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@@ -28,7 +30,7 @@ int DSA_generate_key(DSA *dsa)
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if (dsa->meth->dsa_keygen != NULL)
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return dsa->meth->dsa_keygen(dsa);
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#endif
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return dsa_builtin_keygen(dsa);
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return dsa_keygen(dsa, 0);
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}
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int dsa_generate_public_key(BN_CTX *ctx, const DSA *dsa, const BIGNUM *priv_key,
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@@ -50,7 +52,7 @@ err:
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return ret;
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}
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static int dsa_builtin_keygen(DSA *dsa)
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static int dsa_keygen(DSA *dsa, int pairwise_test)
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{
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int ok = 0;
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BN_CTX *ctx = NULL;
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@@ -82,8 +84,26 @@ static int dsa_builtin_keygen(DSA *dsa)
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dsa->priv_key = priv_key;
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dsa->pub_key = pub_key;
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dsa->dirty_cnt++;
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#ifdef FIPS_MODE
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pairwise_test = 1;
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#endif /* FIPS_MODE */
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ok = 1;
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if (pairwise_test) {
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OSSL_CALLBACK *cb = NULL;
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void *cbarg = NULL;
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OSSL_SELF_TEST_get_callback(dsa->libctx, &cb, &cbarg);
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ok = dsa_keygen_pairwise_test(dsa, cb, cbarg);
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if (!ok) {
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BN_free(dsa->pub_key);
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BN_clear_free(dsa->priv_key);
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BN_CTX_free(ctx);
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return ok;
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}
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}
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dsa->dirty_cnt++;
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err:
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if (pub_key != dsa->pub_key)
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@@ -91,5 +111,42 @@ static int dsa_builtin_keygen(DSA *dsa)
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if (priv_key != dsa->priv_key)
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BN_free(priv_key);
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BN_CTX_free(ctx);
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return ok;
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}
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/*
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* FIPS 140-2 IG 9.9 AS09.33
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* Perform a sign/verify operation.
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*/
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static int dsa_keygen_pairwise_test(DSA *dsa, OSSL_CALLBACK *cb, void *cbarg)
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{
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int ret = 0;
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unsigned char dgst[16] = {0};
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unsigned int dgst_len = (unsigned int)sizeof(dgst);
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DSA_SIG *sig = NULL;
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OSSL_SELF_TEST *st = NULL;
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st = OSSL_SELF_TEST_new(cb, cbarg);
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if (st == NULL)
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goto err;
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OSSL_SELF_TEST_onbegin(st, OSSL_SELF_TEST_TYPE_PCT,
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OSSL_SELF_TEST_DESC_PCT_DSA);
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sig = DSA_do_sign(dgst, (int)dgst_len, dsa);
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if (sig == NULL)
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goto err;
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OSSL_SELF_TEST_oncorrupt_byte(st, dgst);
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if (DSA_do_verify(dgst, dgst_len, sig, dsa) != 1)
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goto err;
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ret = 1;
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err:
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OSSL_SELF_TEST_onend(st, ret);
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OSSL_SELF_TEST_free(st);
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DSA_SIG_free(sig);
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return ret;
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}
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@@ -337,3 +337,8 @@ int DSA_bits(const DSA *dsa)
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{
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return BN_num_bits(dsa->params.p);
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}
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FFC_PARAMS *dsa_get0_params(DSA *dsa)
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{
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return &dsa->params;
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}
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