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e6879a31ef
EVP_MD_CTX_gettable_params() and EVP_MD_CTX_settable_params() were confusingly named because they did not take an EVP_MD_CTX parameter. In addition we add the functions EVP_MD_gettable_ctx_params() and EVP_MD_settable_ctx_params() which do the same thing but are passed an EVP_MD object instead. Reviewed-by: Richard Levitte <levitte@openssl.org> (Merged from https://github.com/openssl/openssl/pull/9998)
288 lines
8.5 KiB
C
288 lines
8.5 KiB
C
/*
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* Copyright 2019 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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* in the file LICENSE in the source distribution or at
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* https://www.openssl.org/source/license.html
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*/
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#include <openssl/opensslconf.h>
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#include "apps.h"
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#include "app_params.h"
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#include "progs.h"
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#include <openssl/err.h>
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#include <openssl/evp.h>
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#include <openssl/safestack.h>
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#include <openssl/provider.h>
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#include <openssl/core.h>
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#include <openssl/core_numbers.h>
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typedef enum OPTION_choice {
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OPT_ERR = -1, OPT_EOF = 0, OPT_HELP,
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OPT_V = 100, OPT_VV, OPT_VVV
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} OPTION_CHOICE;
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const OPTIONS provider_options[] = {
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{OPT_HELP_STR, 1, '-', "Usage: %s [options] provider...\n"},
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{OPT_HELP_STR, 1, '-', " provider... Providers to load\n"},
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{"help", OPT_HELP, '-', "Display this summary"},
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{"v", OPT_V, '-', "List the algorithm names of specified provider"},
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{"vv", OPT_VV, '-', "List the algorithm names of specified providers,"},
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{OPT_MORE_STR, 0, '-', "categorised by operation type"},
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{"vvv", OPT_VVV, '-', "List the algorithm names of specified provider"},
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{OPT_MORE_STR, 0, '-', "one at a time, and list all known parameters"},
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{NULL}
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};
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typedef struct info_st INFO;
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typedef struct meta_st META;
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struct info_st {
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const char *name;
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void *method;
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const OSSL_PARAM *gettable_params;
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const OSSL_PARAM *gettable_ctx_params;
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const OSSL_PARAM *settable_ctx_params;
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};
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struct meta_st {
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int first; /* For prints */
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int total;
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int indent;
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int subindent;
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int verbose;
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const char *label;
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OSSL_PROVIDER *prov;
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void (*fn)(META *meta, INFO *info);
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};
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static void print_caps(META *meta, INFO *info)
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{
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switch (meta->verbose) {
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case 1:
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BIO_printf(bio_out, meta->first ? "%s" : " %s", info->name);
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break;
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case 2:
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if (meta->first) {
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if (meta->total > 0)
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BIO_printf(bio_out, "\n");
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BIO_printf(bio_out, "%*s%ss:", meta->indent, "", meta->label);
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}
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BIO_printf(bio_out, " %s", info->name);
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break;
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case 3:
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default:
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BIO_printf(bio_out, "%*s%s %s\n", meta->indent, "", meta->label,
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info->name);
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print_param_types("retrievable algorithm parameters",
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info->gettable_params, meta->subindent);
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print_param_types("retrievable operation parameters",
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info->gettable_ctx_params, meta->subindent);
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print_param_types("settable operation parameters",
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info->settable_ctx_params, meta->subindent);
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break;
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}
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meta->first = 0;
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}
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static void do_method(void *method, const char *name,
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const OSSL_PARAM *gettable_params,
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const OSSL_PARAM *gettable_ctx_params,
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const OSSL_PARAM *settable_ctx_params,
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META *meta)
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{
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INFO info;
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info.name = name;
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info.method = method;
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info.gettable_params = gettable_params;
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info.gettable_ctx_params = gettable_ctx_params;
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info.settable_ctx_params = settable_ctx_params;
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meta->fn(meta, &info);
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meta->total++;
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}
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static void do_cipher(EVP_CIPHER *cipher, void *meta)
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{
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do_method(cipher, EVP_CIPHER_name(cipher),
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EVP_CIPHER_gettable_params(cipher),
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EVP_CIPHER_CTX_gettable_params(cipher),
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EVP_CIPHER_CTX_settable_params(cipher),
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meta);
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}
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static void do_digest(EVP_MD *digest, void *meta)
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{
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do_method(digest, EVP_MD_name(digest),
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EVP_MD_gettable_params(digest),
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EVP_MD_gettable_ctx_params(digest),
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EVP_MD_settable_ctx_params(digest),
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meta);
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}
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static void do_mac(EVP_MAC *mac, void *meta)
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{
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do_method(mac, EVP_MAC_name(mac),
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EVP_MAC_gettable_params(mac),
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EVP_MAC_CTX_gettable_params(mac),
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EVP_MAC_CTX_settable_params(mac),
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meta);
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}
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/*
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* TODO(3.0) Enable when KEYMGMT and KEYEXCH have gettables and settables
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*/
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#if 0
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static void do_keymgmt(EVP_KEYMGMT *keymgmt, void *meta)
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{
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do_method(keymgmt, EVP_KEYMGMT_name(keymgmt),
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EVP_KEYMGMT_gettable_params(keymgmt),
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EVP_KEYMGMT_gettable_ctx_params(keymgmt),
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EVP_KEYMGMT_settable_ctx_params(keymgmt),
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meta);
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}
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static void do_keyexch(EVP_KEYEXCH *keyexch, void *meta)
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{
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do_method(keyexch, EVP_KEYEXCH_name(keyexch),
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EVP_KEYEXCH_gettable_params(keyexch),
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EVP_KEYEXCH_gettable_ctx_params(keyexch),
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EVP_KEYEXCH_settable_ctx_params(keyexch),
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meta);
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}
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#endif
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int provider_main(int argc, char **argv)
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{
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int ret = 1, i;
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int verbose = 0;
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STACK_OF(OPENSSL_CSTRING) *providers = sk_OPENSSL_CSTRING_new_null();
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OPTION_CHOICE o;
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char *prog;
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prog = opt_init(argc, argv, provider_options);
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while ((o = opt_next()) != OPT_EOF) {
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switch (o) {
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default: /* Catching OPT_ERR & covering OPT_EOF which isn't possible */
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BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
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goto end;
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case OPT_HELP:
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opt_help(provider_options);
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ret = 0;
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goto end;
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case OPT_VVV:
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case OPT_VV:
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case OPT_V:
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/* Convert to an integer from one to four. */
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i = (int)(o - OPT_V) + 1;
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if (verbose < i)
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verbose = i;
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break;
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}
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}
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/* Allow any trailing parameters as provider names. */
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argc = opt_num_rest();
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argv = opt_rest();
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for ( ; *argv; argv++) {
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if (**argv == '-') {
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BIO_printf(bio_err, "%s: Cannot mix flags and provider names.\n",
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prog);
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BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
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goto end;
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}
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sk_OPENSSL_CSTRING_push(providers, *argv);
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}
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ret = 0;
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for (i = 0; i < sk_OPENSSL_CSTRING_num(providers); i++) {
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const char *name = sk_OPENSSL_CSTRING_value(providers, i);
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OSSL_PROVIDER *prov = OSSL_PROVIDER_load(NULL, name);
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if (prov != NULL) {
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BIO_printf(bio_out, verbose == 0 ? "%s\n" : "[ %s ]\n", name);
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if (verbose > 0) {
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META data;
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data.total = 0;
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data.first = 1;
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data.verbose = verbose;
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data.prov = prov;
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data.fn = print_caps;
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switch (verbose) {
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case 1:
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BIO_printf(bio_out, " ");
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break;
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case 2:
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data.indent = 4;
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break;
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case 3:
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default:
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data.indent = 4;
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data.subindent = 10;
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break;
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}
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if (verbose > 1) {
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data.first = 1;
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data.label = "Cipher";
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}
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EVP_CIPHER_do_all_ex(NULL, do_cipher, &data);
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if (verbose > 1) {
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data.first = 1;
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data.label = "Digest";
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}
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EVP_MD_do_all_ex(NULL, do_digest, &data);
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if (verbose > 1) {
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data.first = 1;
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data.label = "MAC";
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}
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EVP_MAC_do_all_ex(NULL, do_mac, &data);
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/*
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* TODO(3.0) Enable when KEYMGMT and KEYEXCH have do_all_ex functions
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*/
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#if 0
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if (verbose > 1) {
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data.first = 1;
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data.label = "Key manager";
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}
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EVP_KEYMGMT_do_all_ex(NULL, do_keymgmt, &data);
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if (verbose > 1) {
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data.first = 1;
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data.label = "Key exchange";
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}
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EVP_KEYEXCH_do_all_ex(NULL, do_keyexch, &data);
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#endif
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switch (verbose) {
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default:
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break;
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case 2:
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case 1:
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BIO_printf(bio_out, "\n");
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break;
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}
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}
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OSSL_PROVIDER_unload(prov);
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} else {
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ERR_print_errors(bio_err);
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ret = 1;
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/*
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* Just because one provider module failed, there's no reason to
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* stop, if there are more to try.
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*/
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}
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}
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end:
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ERR_print_errors(bio_err);
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sk_OPENSSL_CSTRING_free(providers);
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return ret;
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}
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