if (tmpcipher->prov == NULL) {
switch(tmpcipher->nid) {
+ case NID_undef:
case NID_aes_256_ecb:
case NID_aes_192_ecb:
case NID_aes_128_ecb:
case NID_aes_256_gcm:
case NID_aes_192_gcm:
case NID_aes_128_gcm:
+ case NID_aes_256_siv:
+ case NID_aes_192_siv:
+ case NID_aes_128_siv:
+ case NID_aes_256_cbc_hmac_sha256:
+ case NID_aes_128_cbc_hmac_sha256:
+ case NID_aes_256_cbc_hmac_sha1:
+ case NID_aes_128_cbc_hmac_sha1:
case NID_id_aes256_wrap:
case NID_id_aes256_wrap_pad:
case NID_id_aes192_wrap:
case NID_rc2_64_cbc:
case NID_rc2_cfb64:
case NID_rc2_ofb64:
+ case NID_chacha20:
+ case NID_chacha20_poly1305:
+ case NID_rc4_hmac_md5:
break;
default:
goto legacy;
if (cipher->prov == NULL) {
#ifdef FIPS_MODE
- /* We only do explict fetches inside the FIPS module */
+ /* We only do explicit fetches inside the FIPS module */
EVPerr(EVP_F_EVP_CIPHERINIT_EX, EVP_R_INITIALIZATION_ERROR);
return 0;
#else
EVP_CIPHER *provciph =
- EVP_CIPHER_fetch(NULL, OBJ_nid2sn(cipher->nid), "");
+ EVP_CIPHER_fetch(NULL,
+ cipher->nid == NID_undef ? "NULL"
+ : OBJ_nid2sn(cipher->nid),
+ "");
if (provciph == NULL) {
EVPerr(EVP_F_EVP_CIPHERINIT_EX, EVP_R_INITIALIZATION_ERROR);
int EVP_CIPHER_CTX_set_key_length(EVP_CIPHER_CTX *c, int keylen)
{
- int ok;
- OSSL_PARAM params[2] = { OSSL_PARAM_END, OSSL_PARAM_END };
- size_t len = keylen;
+ if (c->cipher->prov != NULL) {
+ int ok;
+ OSSL_PARAM params[2] = { OSSL_PARAM_END, OSSL_PARAM_END };
+ size_t len = keylen;
+
+ if (EVP_CIPHER_CTX_key_length(c) == keylen)
+ return 1;
- params[0] = OSSL_PARAM_construct_size_t(OSSL_CIPHER_PARAM_KEYLEN, &len);
- ok = evp_do_ciph_ctx_setparams(c->cipher, c->provctx, params);
+ /* Check the cipher actually understands this parameter */
+ if (OSSL_PARAM_locate_const(EVP_CIPHER_settable_ctx_params(c->cipher),
+ OSSL_CIPHER_PARAM_KEYLEN) == NULL)
+ return 0;
+
+ params[0] = OSSL_PARAM_construct_size_t(OSSL_CIPHER_PARAM_KEYLEN, &len);
+ ok = evp_do_ciph_ctx_setparams(c->cipher, c->provctx, params);
- if (ok != EVP_CTRL_RET_UNSUPPORTED)
- return ok;
+ return ok > 0 ? 1 : 0;
+ }
/* TODO(3.0) legacy code follows */
+
+ /*
+ * Note there have never been any built-in ciphers that define this flag
+ * since it was first introduced.
+ */
if (c->cipher->flags & EVP_CIPH_CUSTOM_KEY_LENGTH)
return EVP_CIPHER_CTX_ctrl(c, EVP_CTRL_SET_KEY_LENGTH, keylen, NULL);
if (EVP_CIPHER_CTX_key_length(c) == keylen)
int set_params = 1;
size_t sz = arg;
unsigned int i;
- OSSL_PARAM params[2] = { OSSL_PARAM_END, OSSL_PARAM_END };
+ OSSL_PARAM params[4] = {
+ OSSL_PARAM_END, OSSL_PARAM_END, OSSL_PARAM_END, OSSL_PARAM_END
+ };
if (ctx == NULL || ctx->cipher == NULL) {
EVPerr(EVP_F_EVP_CIPHER_CTX_CTRL, EVP_R_NO_CIPHER_SET);
ptr, sz);
break;
+ case EVP_CTRL_INIT:
+ /*
+ * TODO(3.0) EVP_CTRL_INIT is purely legacy, no provider counterpart
+ * As a matter of fact, this should be dead code, but some caller
+ * might still do a direct control call with this command, so...
+ * Legacy methods return 1 except for exceptional circumstances, so
+ * we do the same here to not be disruptive.
+ */
+ return 1;
case EVP_CTRL_SET_PIPELINE_OUTPUT_BUFS: /* Used by DASYNC */
- case EVP_CTRL_INIT: /* TODO(3.0) Purely legacy, no provider counterpart */
default:
- return EVP_CTRL_RET_UNSUPPORTED;
+ goto end;
case EVP_CTRL_GET_IV:
set_params = 0;
params[0] = OSSL_PARAM_construct_octet_string(OSSL_CIPHER_PARAM_IV,
return 0;
params[0] = OSSL_PARAM_construct_size_t(OSSL_CIPHER_PARAM_IVLEN, &sz);
break;
- case EVP_CTRL_GCM_SET_IV_FIXED:
- params[0] =
- OSSL_PARAM_construct_octet_string(OSSL_CIPHER_PARAM_AEAD_TLS1_IV_FIXED,
- ptr, sz);
+ case EVP_CTRL_AEAD_SET_IV_FIXED:
+ params[0] = OSSL_PARAM_construct_octet_string(
+ OSSL_CIPHER_PARAM_AEAD_TLS1_IV_FIXED, ptr, sz);
+ break;
+ case EVP_CTRL_GCM_IV_GEN:
+ set_params = 0;
+ if (arg < 0)
+ sz = 0; /* special case that uses the iv length */
+ params[0] = OSSL_PARAM_construct_octet_string(
+ OSSL_CIPHER_PARAM_AEAD_TLS1_GET_IV_GEN, ptr, sz);
+ break;
+ case EVP_CTRL_GCM_SET_IV_INV:
+ if (arg < 0)
+ return 0;
+ params[0] = OSSL_PARAM_construct_octet_string(
+ OSSL_CIPHER_PARAM_AEAD_TLS1_SET_IV_INV, ptr, sz);
break;
case EVP_CTRL_GET_RC5_ROUNDS:
set_params = 0; /* Fall thru */
i = (unsigned int)arg;
params[0] = OSSL_PARAM_construct_uint(OSSL_CIPHER_PARAM_ROUNDS, &i);
break;
+ case EVP_CTRL_SET_SPEED:
+ if (arg < 0)
+ return 0;
+ i = (unsigned int)arg;
+ params[0] = OSSL_PARAM_construct_uint(OSSL_CIPHER_PARAM_SPEED, &i);
+ break;
case EVP_CTRL_AEAD_GET_TAG:
set_params = 0; /* Fall thru */
case EVP_CTRL_AEAD_SET_TAG:
ptr, sz);
break;
case EVP_CTRL_AEAD_TLS1_AAD:
- /* This one does a set and a get - since it returns a padding size */
+ /* This one does a set and a get - since it returns a size */
params[0] =
OSSL_PARAM_construct_octet_string(OSSL_CIPHER_PARAM_AEAD_TLS1_AAD,
ptr, sz);
ret = evp_do_ciph_ctx_setparams(ctx->cipher, ctx->provctx, params);
if (ret <= 0)
- return ret;
+ goto end;
params[0] =
OSSL_PARAM_construct_size_t(OSSL_CIPHER_PARAM_AEAD_TLS1_AAD_PAD, &sz);
ret = evp_do_ciph_ctx_getparams(ctx->cipher, ctx->provctx, params);
if (ret <= 0)
- return 0;
+ goto end;
return sz;
#ifndef OPENSSL_NO_RC2
case EVP_CTRL_GET_RC2_KEY_BITS:
params[0] = OSSL_PARAM_construct_size_t(OSSL_CIPHER_PARAM_RC2_KEYBITS, &sz);
break;
#endif /* OPENSSL_NO_RC2 */
+#if !defined(OPENSSL_NO_MULTIBLOCK)
+ case EVP_CTRL_TLS1_1_MULTIBLOCK_MAX_BUFSIZE:
+ params[0] = OSSL_PARAM_construct_size_t(
+ OSSL_CIPHER_PARAM_TLS1_MULTIBLOCK_MAX_SEND_FRAGMENT, &sz);
+ ret = evp_do_ciph_ctx_setparams(ctx->cipher, ctx->provctx, params);
+ if (ret <= 0)
+ return 0;
+
+ params[0] = OSSL_PARAM_construct_size_t(
+ OSSL_CIPHER_PARAM_TLS1_MULTIBLOCK_MAX_BUFSIZE, &sz);
+ params[1] = OSSL_PARAM_construct_end();
+ ret = evp_do_ciph_ctx_getparams(ctx->cipher, ctx->provctx, params);
+ if (ret <= 0)
+ return 0;
+ return sz;
+ case EVP_CTRL_TLS1_1_MULTIBLOCK_AAD: {
+ EVP_CTRL_TLS1_1_MULTIBLOCK_PARAM *p =
+ (EVP_CTRL_TLS1_1_MULTIBLOCK_PARAM *)ptr;
+
+ if (arg < (int)sizeof(EVP_CTRL_TLS1_1_MULTIBLOCK_PARAM))
+ return 0;
+
+ params[0] = OSSL_PARAM_construct_octet_string(
+ OSSL_CIPHER_PARAM_TLS1_MULTIBLOCK_AAD, (void*)p->inp, p->len);
+ params[1] = OSSL_PARAM_construct_uint(
+ OSSL_CIPHER_PARAM_TLS1_MULTIBLOCK_INTERLEAVE, &p->interleave);
+ ret = evp_do_ciph_ctx_setparams(ctx->cipher, ctx->provctx, params);
+ if (ret <= 0)
+ return ret;
+ /* Retrieve the return values changed by the set */
+ params[0] = OSSL_PARAM_construct_size_t(
+ OSSL_CIPHER_PARAM_TLS1_MULTIBLOCK_AAD_PACKLEN, &sz);
+ params[1] = OSSL_PARAM_construct_uint(
+ OSSL_CIPHER_PARAM_TLS1_MULTIBLOCK_INTERLEAVE, &p->interleave);
+ params[2] = OSSL_PARAM_construct_end();
+ ret = evp_do_ciph_ctx_getparams(ctx->cipher, ctx->provctx, params);
+ if (ret <= 0)
+ return 0;
+ return sz;
+ }
+ case EVP_CTRL_TLS1_1_MULTIBLOCK_ENCRYPT: {
+ EVP_CTRL_TLS1_1_MULTIBLOCK_PARAM *p =
+ (EVP_CTRL_TLS1_1_MULTIBLOCK_PARAM *)ptr;
+
+ params[0] = OSSL_PARAM_construct_octet_string(
+ OSSL_CIPHER_PARAM_TLS1_MULTIBLOCK_ENC, p->out, p->len);
+
+ params[1] = OSSL_PARAM_construct_octet_string(
+ OSSL_CIPHER_PARAM_TLS1_MULTIBLOCK_ENC_IN, (void*)p->inp,
+ p->len);
+ params[2] = OSSL_PARAM_construct_uint(
+ OSSL_CIPHER_PARAM_TLS1_MULTIBLOCK_INTERLEAVE, &p->interleave);
+ ret = evp_do_ciph_ctx_setparams(ctx->cipher, ctx->provctx, params);
+ if (ret <= 0)
+ return ret;
+ params[0] = OSSL_PARAM_construct_size_t(
+ OSSL_CIPHER_PARAM_TLS1_MULTIBLOCK_ENC_LEN, &sz);
+ params[1] = OSSL_PARAM_construct_end();
+ ret = evp_do_ciph_ctx_getparams(ctx->cipher, ctx->provctx, params);
+ if (ret <= 0)
+ return 0;
+ return sz;
+ }
+#endif /* OPENSSL_NO_MULTIBLOCK */
+ case EVP_CTRL_AEAD_SET_MAC_KEY:
+ if (arg < 0)
+ return -1;
+ params[0] = OSSL_PARAM_construct_octet_string(
+ OSSL_CIPHER_PARAM_AEAD_MAC_KEY, ptr, sz);
+ break;
}
if (set_params)
ret = evp_do_ciph_ctx_setparams(ctx->cipher, ctx->provctx, params);
else
ret = evp_do_ciph_ctx_getparams(ctx->cipher, ctx->provctx, params);
- goto conclude;
+ goto end;
/* TODO(3.0): Remove legacy code below */
legacy:
ret = ctx->cipher->ctrl(ctx, type, arg, ptr);
- conclude:
+ end:
if (ret == EVP_CTRL_RET_UNSUPPORTED) {
EVPerr(EVP_F_EVP_CIPHER_CTX_CTRL,
EVP_R_CTRL_OPERATION_NOT_IMPLEMENTED);
{
int nid;
int *legacy_nid = vlegacy_nid;
+ /*
+ * We use lowest level function to get the associated method, because
+ * higher level functions such as EVP_get_cipherbyname() have changed
+ * to look at providers too.
+ */
+ const void *legacy_method = OBJ_NAME_get(name, OBJ_NAME_TYPE_CIPHER_METH);
if (*legacy_nid == -1) /* We found a clash already */
return;
- if ((nid = OBJ_sn2nid(name)) == NID_undef
- && (nid = OBJ_ln2nid(name)) == NID_undef)
+ if (legacy_method == NULL)
return;
+ nid = EVP_CIPHER_nid(legacy_method);
if (*legacy_nid != NID_undef && *legacy_nid != nid) {
*legacy_nid = -1;
return;
static void *evp_cipher_from_dispatch(const int name_id,
const OSSL_DISPATCH *fns,
- OSSL_PROVIDER *prov,
- void *unused)
+ OSSL_PROVIDER *prov)
{
EVP_CIPHER *cipher = NULL;
int fnciphcnt = 0, fnctxcnt = 0;
#ifndef FIPS_MODE
/* TODO(3.x) get rid of the need for legacy NIDs */
cipher->nid = NID_undef;
- evp_doall_names(prov, name_id, set_legacy_nid, &cipher->nid);
+ evp_names_do_all(prov, name_id, set_legacy_nid, &cipher->nid);
if (cipher->nid == -1) {
ERR_raise(ERR_LIB_EVP, ERR_R_INTERNAL_ERROR);
EVP_CIPHER_free(cipher);
{
EVP_CIPHER *cipher =
evp_generic_fetch(ctx, OSSL_OP_CIPHER, algorithm, properties,
- evp_cipher_from_dispatch, NULL, evp_cipher_up_ref,
+ evp_cipher_from_dispatch, evp_cipher_up_ref,
evp_cipher_free);
+ if (cipher != NULL && !evp_cipher_cache_constants(cipher)) {
+ EVP_CIPHER_free(cipher);
+ cipher = NULL;
+ }
return cipher;
}
OPENSSL_free(cipher);
}
-void EVP_CIPHER_do_all_ex(OPENSSL_CTX *libctx,
- void (*fn)(EVP_CIPHER *mac, void *arg),
- void *arg)
+void EVP_CIPHER_do_all_provided(OPENSSL_CTX *libctx,
+ void (*fn)(EVP_CIPHER *mac, void *arg),
+ void *arg)
{
evp_generic_do_all(libctx, OSSL_OP_CIPHER,
(void (*)(void *, void *))fn, arg,
- evp_cipher_from_dispatch, NULL, evp_cipher_free);
+ evp_cipher_from_dispatch, evp_cipher_free);
}