#include "internal/provider.h"
#include "evp_local.h"
-static EVP_SIGNATURE *evp_signature_new(OSSL_PROVIDER *prov)
-{
- EVP_SIGNATURE *signature = OPENSSL_zalloc(sizeof(EVP_SIGNATURE));
-
- if (signature == NULL) {
- ERR_raise(ERR_LIB_EVP, ERR_R_MALLOC_FAILURE);
- return NULL;
- }
-
- signature->lock = CRYPTO_THREAD_lock_new();
- if (signature->lock == NULL) {
- ERR_raise(ERR_LIB_EVP, ERR_R_MALLOC_FAILURE);
- OPENSSL_free(signature);
- return NULL;
- }
- signature->prov = prov;
- ossl_provider_up_ref(prov);
- signature->refcnt = 1;
-
- return signature;
-}
-
-static void *evp_signature_from_dispatch(int name_id,
- const OSSL_DISPATCH *fns,
- OSSL_PROVIDER *prov)
-{
- EVP_SIGNATURE *signature = NULL;
- int ctxfncnt = 0, signfncnt = 0, verifyfncnt = 0, verifyrecfncnt = 0;
- int digsignfncnt = 0, digverifyfncnt = 0;
- int gparamfncnt = 0, sparamfncnt = 0, gmdparamfncnt = 0, smdparamfncnt = 0;
-
- if ((signature = evp_signature_new(prov)) == NULL) {
- ERR_raise(ERR_LIB_EVP, ERR_R_MALLOC_FAILURE);
- goto err;
- }
-
- signature->name_id = name_id;
-
- for (; fns->function_id != 0; fns++) {
- switch (fns->function_id) {
- case OSSL_FUNC_SIGNATURE_NEWCTX:
- if (signature->newctx != NULL)
- break;
- signature->newctx = OSSL_get_OP_signature_newctx(fns);
- ctxfncnt++;
- break;
- case OSSL_FUNC_SIGNATURE_SIGN_INIT:
- if (signature->sign_init != NULL)
- break;
- signature->sign_init = OSSL_get_OP_signature_sign_init(fns);
- signfncnt++;
- break;
- case OSSL_FUNC_SIGNATURE_SIGN:
- if (signature->sign != NULL)
- break;
- signature->sign = OSSL_get_OP_signature_sign(fns);
- signfncnt++;
- break;
- case OSSL_FUNC_SIGNATURE_VERIFY_INIT:
- if (signature->verify_init != NULL)
- break;
- signature->verify_init = OSSL_get_OP_signature_verify_init(fns);
- verifyfncnt++;
- break;
- case OSSL_FUNC_SIGNATURE_VERIFY:
- if (signature->verify != NULL)
- break;
- signature->verify = OSSL_get_OP_signature_verify(fns);
- verifyfncnt++;
- break;
- case OSSL_FUNC_SIGNATURE_VERIFY_RECOVER_INIT:
- if (signature->verify_recover_init != NULL)
- break;
- signature->verify_recover_init
- = OSSL_get_OP_signature_verify_recover_init(fns);
- verifyrecfncnt++;
- break;
- case OSSL_FUNC_SIGNATURE_VERIFY_RECOVER:
- if (signature->verify_recover != NULL)
- break;
- signature->verify_recover
- = OSSL_get_OP_signature_verify_recover(fns);
- verifyrecfncnt++;
- break;
- case OSSL_FUNC_SIGNATURE_DIGEST_SIGN_INIT:
- if (signature->digest_sign_init != NULL)
- break;
- signature->digest_sign_init
- = OSSL_get_OP_signature_digest_sign_init(fns);
- digsignfncnt++;
- break;
- case OSSL_FUNC_SIGNATURE_DIGEST_SIGN_UPDATE:
- if (signature->digest_sign_update != NULL)
- break;
- signature->digest_sign_update
- = OSSL_get_OP_signature_digest_sign_update(fns);
- digsignfncnt++;
- break;
- case OSSL_FUNC_SIGNATURE_DIGEST_SIGN_FINAL:
- if (signature->digest_sign_final != NULL)
- break;
- signature->digest_sign_final
- = OSSL_get_OP_signature_digest_sign_final(fns);
- digsignfncnt++;
- break;
- case OSSL_FUNC_SIGNATURE_DIGEST_VERIFY_INIT:
- if (signature->digest_verify_init != NULL)
- break;
- signature->digest_verify_init
- = OSSL_get_OP_signature_digest_verify_init(fns);
- digverifyfncnt++;
- break;
- case OSSL_FUNC_SIGNATURE_DIGEST_VERIFY_UPDATE:
- if (signature->digest_verify_update != NULL)
- break;
- signature->digest_verify_update
- = OSSL_get_OP_signature_digest_verify_update(fns);
- digverifyfncnt++;
- break;
- case OSSL_FUNC_SIGNATURE_DIGEST_VERIFY_FINAL:
- if (signature->digest_verify_final != NULL)
- break;
- signature->digest_verify_final
- = OSSL_get_OP_signature_digest_verify_final(fns);
- digverifyfncnt++;
- break;
- case OSSL_FUNC_SIGNATURE_FREECTX:
- if (signature->freectx != NULL)
- break;
- signature->freectx = OSSL_get_OP_signature_freectx(fns);
- ctxfncnt++;
- break;
- case OSSL_FUNC_SIGNATURE_DUPCTX:
- if (signature->dupctx != NULL)
- break;
- signature->dupctx = OSSL_get_OP_signature_dupctx(fns);
- break;
- case OSSL_FUNC_SIGNATURE_GET_CTX_PARAMS:
- if (signature->get_ctx_params != NULL)
- break;
- signature->get_ctx_params
- = OSSL_get_OP_signature_get_ctx_params(fns);
- gparamfncnt++;
- break;
- case OSSL_FUNC_SIGNATURE_GETTABLE_CTX_PARAMS:
- if (signature->gettable_ctx_params != NULL)
- break;
- signature->gettable_ctx_params
- = OSSL_get_OP_signature_gettable_ctx_params(fns);
- gparamfncnt++;
- break;
- case OSSL_FUNC_SIGNATURE_SET_CTX_PARAMS:
- if (signature->set_ctx_params != NULL)
- break;
- signature->set_ctx_params
- = OSSL_get_OP_signature_set_ctx_params(fns);
- sparamfncnt++;
- break;
- case OSSL_FUNC_SIGNATURE_SETTABLE_CTX_PARAMS:
- if (signature->settable_ctx_params != NULL)
- break;
- signature->settable_ctx_params
- = OSSL_get_OP_signature_settable_ctx_params(fns);
- sparamfncnt++;
- break;
- case OSSL_FUNC_SIGNATURE_GET_CTX_MD_PARAMS:
- if (signature->get_ctx_md_params != NULL)
- break;
- signature->get_ctx_md_params
- = OSSL_get_OP_signature_get_ctx_md_params(fns);
- gmdparamfncnt++;
- break;
- case OSSL_FUNC_SIGNATURE_GETTABLE_CTX_MD_PARAMS:
- if (signature->gettable_ctx_md_params != NULL)
- break;
- signature->gettable_ctx_md_params
- = OSSL_get_OP_signature_gettable_ctx_md_params(fns);
- gmdparamfncnt++;
- break;
- case OSSL_FUNC_SIGNATURE_SET_CTX_MD_PARAMS:
- if (signature->set_ctx_md_params != NULL)
- break;
- signature->set_ctx_md_params
- = OSSL_get_OP_signature_set_ctx_md_params(fns);
- smdparamfncnt++;
- break;
- case OSSL_FUNC_SIGNATURE_SETTABLE_CTX_MD_PARAMS:
- if (signature->settable_ctx_md_params != NULL)
- break;
- signature->settable_ctx_md_params
- = OSSL_get_OP_signature_settable_ctx_md_params(fns);
- smdparamfncnt++;
- break;
- }
- }
- if (ctxfncnt != 2
- || (signfncnt == 0
- && verifyfncnt == 0
- && verifyrecfncnt == 0
- && digsignfncnt == 0
- && digverifyfncnt == 0)
- || (signfncnt != 0 && signfncnt != 2)
- || (verifyfncnt != 0 && verifyfncnt != 2)
- || (verifyrecfncnt != 0 && verifyrecfncnt != 2)
- || (digsignfncnt != 0 && digsignfncnt != 3)
- || (digverifyfncnt != 0 && digverifyfncnt != 3)
- || (gparamfncnt != 0 && gparamfncnt != 2)
- || (sparamfncnt != 0 && sparamfncnt != 2)
- || (gmdparamfncnt != 0 && gmdparamfncnt != 2)
- || (smdparamfncnt != 0 && smdparamfncnt != 2)) {
- /*
- * In order to be a consistent set of functions we must have at least
- * a set of context functions (newctx and freectx) as well as a set of
- * "signature" functions:
- * (sign_init, sign) or
- * (verify_init verify) or
- * (verify_recover_init, verify_recover) or
- * (digest_sign_init, digest_sign_update, digest_sign_final) or
- * (digest_verify_init, digest_verify_update, digest_verify_final).
- *
- * set_ctx_params and settable_ctx_params are optional, but if one of
- * them is present then the other one must also be present. The same
- * applies to get_ctx_params and gettable_ctx_params. The same rules
- * apply to the "md_params" functions. The dupctx function is optional.
- */
- ERR_raise(ERR_LIB_EVP, EVP_R_INVALID_PROVIDER_FUNCTIONS);
- goto err;
- }
-
- return signature;
- err:
- EVP_SIGNATURE_free(signature);
- return NULL;
-}
-
-void EVP_SIGNATURE_free(EVP_SIGNATURE *signature)
-{
- if (signature != NULL) {
- int i;
-
- CRYPTO_DOWN_REF(&signature->refcnt, &i, signature->lock);
- if (i > 0)
- return;
- ossl_provider_free(signature->prov);
- CRYPTO_THREAD_lock_free(signature->lock);
- OPENSSL_free(signature);
- }
-}
-
-int EVP_SIGNATURE_up_ref(EVP_SIGNATURE *signature)
-{
- int ref = 0;
-
- CRYPTO_UP_REF(&signature->refcnt, &ref, signature->lock);
- return 1;
-}
-
-OSSL_PROVIDER *EVP_SIGNATURE_provider(const EVP_SIGNATURE *signature)
-{
- return signature->prov;
-}
-
-EVP_SIGNATURE *EVP_SIGNATURE_fetch(OPENSSL_CTX *ctx, const char *algorithm,
- const char *properties)
-{
- return evp_generic_fetch(ctx, OSSL_OP_SIGNATURE, algorithm, properties,
- evp_signature_from_dispatch,
- (int (*)(void *))EVP_SIGNATURE_up_ref,
- (void (*)(void *))EVP_SIGNATURE_free);
-}
-
-int EVP_SIGNATURE_is_a(const EVP_SIGNATURE *signature, const char *name)
-{
- return evp_is_a(signature->prov, signature->name_id, name);
-}
-
-int EVP_SIGNATURE_number(const EVP_SIGNATURE *signature)
-{
- return signature->name_id;
-}
-
-void EVP_SIGNATURE_do_all_provided(OPENSSL_CTX *libctx,
- void (*fn)(EVP_SIGNATURE *signature,
- void *arg),
- void *arg)
-{
- evp_generic_do_all(libctx, OSSL_OP_SIGNATURE,
- (void (*)(void *, void *))fn, arg,
- evp_signature_from_dispatch,
- (void (*)(void *))EVP_SIGNATURE_free);
-}
-
-
-void EVP_SIGNATURE_names_do_all(const EVP_SIGNATURE *signature,
- void (*fn)(const char *name, void *data),
- void *data)
-{
- if (signature->prov != NULL)
- evp_names_do_all(signature->prov, signature->name_id, fn, data);
-}
-
-static int evp_pkey_signature_init(EVP_PKEY_CTX *ctx, int operation)
-{
- int ret = 0;
- void *provkey = NULL;
- EVP_SIGNATURE *signature = NULL;
-
- if (ctx == NULL) {
- EVPerr(0, EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE);
- return -2;
- }
-
- evp_pkey_ctx_free_old_ops(ctx);
- ctx->operation = operation;
-
- if (ctx->keytype == NULL)
- goto legacy;
-
- if (ctx->keymgmt == NULL)
- ctx->keymgmt =
- EVP_KEYMGMT_fetch(ctx->libctx, ctx->keytype, ctx->propquery);
- if (ctx->keymgmt != NULL) {
- const char *supported_sig = NULL;
-
- if (ctx->keymgmt->query_operation_name != NULL)
- supported_sig =
- ctx->keymgmt->query_operation_name(OSSL_OP_SIGNATURE);
-
- /*
- * If we didn't get a supported sig, assume there is one with the
- * same name as the key type.
- */
- if (supported_sig == NULL)
- supported_sig = ctx->keytype;
-
- /*
- * Because we cleared out old ops, we shouldn't need to worry about
- * checking if signature is already there.
- */
- signature =
- EVP_SIGNATURE_fetch(ctx->libctx, supported_sig, ctx->propquery);
- }
-
- if (ctx->keymgmt == NULL
- || signature == NULL
- || (EVP_KEYMGMT_provider(ctx->keymgmt)
- != EVP_SIGNATURE_provider(signature))) {
- /*
- * We don't have the full support we need with provided methods,
- * let's go see if legacy does. Also, we don't need to free
- * ctx->keymgmt here, as it's not necessarily tied to this
- * operation. It will be freed by EVP_PKEY_CTX_free().
- */
- EVP_SIGNATURE_free(signature);
- goto legacy;
- }
-
- ctx->op.sig.signature = signature;
-
- if (ctx->pkey != NULL) {
- provkey =
- evp_keymgmt_export_to_provider(ctx->pkey, ctx->keymgmt, 0);
- /* If export failed, legacy may be able to pick it up */
- if (provkey == NULL)
- goto legacy;
- }
- ctx->op.sig.sigprovctx = signature->newctx(ossl_provider_ctx(signature->prov));
- if (ctx->op.sig.sigprovctx == NULL) {
- /* The provider key can stay in the cache */
- EVPerr(0, EVP_R_INITIALIZATION_ERROR);
- goto err;
- }
-
- switch (operation) {
- case EVP_PKEY_OP_SIGN:
- if (signature->sign_init == NULL) {
- EVPerr(0, EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE);
- ret = -2;
- goto err;
- }
- ret = signature->sign_init(ctx->op.sig.sigprovctx, provkey);
- break;
- case EVP_PKEY_OP_VERIFY:
- if (signature->verify_init == NULL) {
- EVPerr(0, EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE);
- ret = -2;
- goto err;
- }
- ret = signature->verify_init(ctx->op.sig.sigprovctx, provkey);
- break;
- case EVP_PKEY_OP_VERIFYRECOVER:
- if (signature->verify_recover_init == NULL) {
- EVPerr(0, EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE);
- ret = -2;
- goto err;
- }
- ret = signature->verify_recover_init(ctx->op.sig.sigprovctx, provkey);
- break;
- default:
- EVPerr(0, EVP_R_INITIALIZATION_ERROR);
- goto err;
- }
-
- if (ret <= 0) {
- signature->freectx(ctx->op.sig.sigprovctx);
- ctx->op.sig.sigprovctx = NULL;
- goto err;
- }
- return 1;
-
- legacy:
- if (ctx->pmeth == NULL
- || (operation == EVP_PKEY_OP_SIGN && ctx->pmeth->sign == NULL)
- || (operation == EVP_PKEY_OP_VERIFY && ctx->pmeth->verify == NULL)
- || (operation == EVP_PKEY_OP_VERIFYRECOVER
- && ctx->pmeth->verify_recover == NULL)) {
- EVPerr(0, EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE);
- return -2;
- }
-
- switch (operation) {
- case EVP_PKEY_OP_SIGN:
- if (ctx->pmeth->sign_init == NULL)
- return 1;
- ret = ctx->pmeth->sign_init(ctx);
- break;
- case EVP_PKEY_OP_VERIFY:
- if (ctx->pmeth->verify_init == NULL)
- return 1;
- ret = ctx->pmeth->verify_init(ctx);
- break;
- case EVP_PKEY_OP_VERIFYRECOVER:
- if (ctx->pmeth->verify_recover_init == NULL)
- return 1;
- ret = ctx->pmeth->verify_recover_init(ctx);
- break;
- default:
- EVPerr(0, EVP_R_INITIALIZATION_ERROR);
- goto err;
- }
- if (ret <= 0)
- goto err;
- return ret;
-
- err:
- ctx->operation = EVP_PKEY_OP_UNDEFINED;
- return ret;
-}
-
-int EVP_PKEY_sign_init(EVP_PKEY_CTX *ctx)
-{
- return evp_pkey_signature_init(ctx, EVP_PKEY_OP_SIGN);
-}
-
-int EVP_PKEY_sign(EVP_PKEY_CTX *ctx,
- unsigned char *sig, size_t *siglen,
- const unsigned char *tbs, size_t tbslen)
-{
- int ret;
-
- if (ctx == NULL) {
- EVPerr(0, EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE);
- return -2;
- }
-
- if (ctx->operation != EVP_PKEY_OP_SIGN) {
- EVPerr(0, EVP_R_OPERATON_NOT_INITIALIZED);
- return -1;
- }
-
- if (ctx->op.sig.sigprovctx == NULL)
- goto legacy;
-
- ret = ctx->op.sig.signature->sign(ctx->op.sig.sigprovctx, sig, siglen,
- SIZE_MAX, tbs, tbslen);
-
- return ret;
- legacy:
-
- if (ctx->pmeth == NULL || ctx->pmeth->sign == NULL) {
- EVPerr(0, EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE);
- return -2;
- }
-
- M_check_autoarg(ctx, sig, siglen, EVP_F_EVP_PKEY_SIGN)
- return ctx->pmeth->sign(ctx, sig, siglen, tbs, tbslen);
-}
-
-int EVP_PKEY_verify_init(EVP_PKEY_CTX *ctx)
-{
- return evp_pkey_signature_init(ctx, EVP_PKEY_OP_VERIFY);
-}
-
-int EVP_PKEY_verify(EVP_PKEY_CTX *ctx,
- const unsigned char *sig, size_t siglen,
- const unsigned char *tbs, size_t tbslen)
-{
- int ret;
-
- if (ctx == NULL) {
- EVPerr(0, EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE);
- return -2;
- }
-
- if (ctx->operation != EVP_PKEY_OP_VERIFY) {
- EVPerr(0, EVP_R_OPERATON_NOT_INITIALIZED);
- return -1;
- }
-
- if (ctx->op.sig.sigprovctx == NULL)
- goto legacy;
-
- ret = ctx->op.sig.signature->verify(ctx->op.sig.sigprovctx, sig, siglen,
- tbs, tbslen);
-
- return ret;
- legacy:
- if (ctx->pmeth == NULL || ctx->pmeth->verify == NULL) {
- EVPerr(0, EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE);
- return -2;
- }
-
- return ctx->pmeth->verify(ctx, sig, siglen, tbs, tbslen);
-}
-
-int EVP_PKEY_verify_recover_init(EVP_PKEY_CTX *ctx)
-{
- return evp_pkey_signature_init(ctx, EVP_PKEY_OP_VERIFYRECOVER);
-}
-
-int EVP_PKEY_verify_recover(EVP_PKEY_CTX *ctx,
- unsigned char *rout, size_t *routlen,
- const unsigned char *sig, size_t siglen)
-{
- int ret;
-
- if (ctx == NULL) {
- EVPerr(0, EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE);
- return -2;
- }
-
- if (ctx->operation != EVP_PKEY_OP_VERIFYRECOVER) {
- EVPerr(0, EVP_R_OPERATON_NOT_INITIALIZED);
- return -1;
- }
-
- if (ctx->op.sig.sigprovctx == NULL)
- goto legacy;
-
- ret = ctx->op.sig.signature->verify_recover(ctx->op.sig.sigprovctx, rout,
- routlen,
- (rout == NULL ? 0 : *routlen),
- sig, siglen);
- return ret;
- legacy:
- if (ctx->pmeth == NULL || ctx->pmeth->verify_recover == NULL) {
- EVPerr(0, EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE);
- return -2;
- }
- M_check_autoarg(ctx, rout, routlen, EVP_F_EVP_PKEY_VERIFY_RECOVER)
- return ctx->pmeth->verify_recover(ctx, rout, routlen, sig, siglen);
-}
-
static int evp_pkey_asym_cipher_init(EVP_PKEY_CTX *ctx, int operation)
{
int ret = 0;
projects / thirdparty / openssl.git / blobdiff