#include <stdio.h>
#include <openssl/crypto.h>
+#include <openssl/core_names.h>
+#include <openssl/engine.h>
+#include <openssl/evp.h>
#include "internal/cryptlib.h"
#include "internal/refcount.h"
#include "crypto/bn.h"
-#include <openssl/engine.h>
-#include <openssl/evp.h>
#include "crypto/evp.h"
#include "crypto/rsa.h"
#include "rsa_local.h"
return 1;
}
+
+int EVP_PKEY_CTX_set_rsa_padding(EVP_PKEY_CTX *ctx, int pad_mode)
+{
+ OSSL_PARAM pad_params[2], *p = pad_params;
+
+ if (ctx == NULL) {
+ ERR_raise(ERR_LIB_EVP, EVP_R_COMMAND_NOT_SUPPORTED);
+ /* Uses the same return values as EVP_PKEY_CTX_ctrl */
+ return -2;
+ }
+
+ /* If key type not RSA or RSA-PSS return error */
+ if (ctx->pmeth != NULL
+ && ctx->pmeth->pkey_id != EVP_PKEY_RSA
+ && ctx->pmeth->pkey_id != EVP_PKEY_RSA_PSS)
+ return -1;
+
+ /* TODO(3.0): Remove this eventually when no more legacy */
+ if (!EVP_PKEY_CTX_IS_ASYM_CIPHER_OP(ctx)
+ || ctx->op.ciph.ciphprovctx == NULL)
+ return EVP_PKEY_CTX_ctrl(ctx, -1, -1, EVP_PKEY_CTRL_RSA_PADDING,
+ pad_mode, NULL);
+
+ *p++ = OSSL_PARAM_construct_int(OSSL_ASYM_CIPHER_PARAM_PAD_MODE, &pad_mode);
+ *p++ = OSSL_PARAM_construct_end();
+
+ return EVP_PKEY_CTX_set_params(ctx, pad_params);
+}
+
+int EVP_PKEY_CTX_get_rsa_padding(EVP_PKEY_CTX *ctx, int *pad_mode)
+{
+ OSSL_PARAM pad_params[2], *p = pad_params;
+
+ if (ctx == NULL || pad_mode == NULL) {
+ ERR_raise(ERR_LIB_EVP, EVP_R_COMMAND_NOT_SUPPORTED);
+ /* Uses the same return values as EVP_PKEY_CTX_ctrl */
+ return -2;
+ }
+
+ /* If key type not RSA or RSA-PSS return error */
+ if (ctx->pmeth != NULL
+ && ctx->pmeth->pkey_id != EVP_PKEY_RSA
+ && ctx->pmeth->pkey_id != EVP_PKEY_RSA_PSS)
+ return -1;
+
+ /* TODO(3.0): Remove this eventually when no more legacy */
+ if (!EVP_PKEY_CTX_IS_ASYM_CIPHER_OP(ctx)
+ || ctx->op.ciph.ciphprovctx == NULL)
+ return EVP_PKEY_CTX_ctrl(ctx, -1, -1, EVP_PKEY_CTRL_GET_RSA_PADDING, 0,
+ pad_mode);
+
+ *p++ = OSSL_PARAM_construct_int(OSSL_ASYM_CIPHER_PARAM_PAD_MODE, pad_mode);
+ *p++ = OSSL_PARAM_construct_end();
+
+ if (!EVP_PKEY_CTX_get_params(ctx, pad_params))
+ return 0;
+
+ return 1;
+
+}
+
+int EVP_PKEY_CTX_set_rsa_oaep_md(EVP_PKEY_CTX *ctx, const EVP_MD *md)
+{
+ const char *name;
+
+ if (ctx == NULL || !EVP_PKEY_CTX_IS_ASYM_CIPHER_OP(ctx)) {
+ ERR_raise(ERR_LIB_EVP, EVP_R_COMMAND_NOT_SUPPORTED);
+ /* Uses the same return values as EVP_PKEY_CTX_ctrl */
+ return -2;
+ }
+
+ /* If key type not RSA return error */
+ if (ctx->pmeth != NULL && ctx->pmeth->pkey_id != EVP_PKEY_RSA)
+ return -1;
+
+ /* TODO(3.0): Remove this eventually when no more legacy */
+ if (ctx->op.ciph.ciphprovctx == NULL)
+ return EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_RSA, EVP_PKEY_OP_TYPE_CRYPT,
+ EVP_PKEY_CTRL_RSA_OAEP_MD, 0, (void *)md);
+
+ name = (md == NULL) ? "" : EVP_MD_name(md);
+
+ return EVP_PKEY_CTX_set_rsa_oaep_md_name(ctx, name, NULL);
+}
+
+int EVP_PKEY_CTX_set_rsa_oaep_md_name(EVP_PKEY_CTX *ctx, const char *mdname,
+ const char *mdprops)
+{
+ OSSL_PARAM rsa_params[3], *p = rsa_params;
+
+ if (ctx == NULL || !EVP_PKEY_CTX_IS_ASYM_CIPHER_OP(ctx)) {
+ ERR_raise(ERR_LIB_EVP, EVP_R_COMMAND_NOT_SUPPORTED);
+ /* Uses the same return values as EVP_PKEY_CTX_ctrl */
+ return -2;
+ }
+
+ /* If key type not RSA return error */
+ if (ctx->pmeth != NULL && ctx->pmeth->pkey_id != EVP_PKEY_RSA)
+ return -1;
+
+
+ *p++ = OSSL_PARAM_construct_utf8_string(OSSL_ASYM_CIPHER_PARAM_OAEP_DIGEST,
+ /*
+ * Cast away the const. This is read
+ * only so should be safe
+ */
+ (char *)mdname,
+ strlen(mdname) + 1);
+ if (mdprops != NULL) {
+ *p++ = OSSL_PARAM_construct_utf8_string(
+ OSSL_ASYM_CIPHER_PARAM_OAEP_DIGEST_PROPS,
+ /*
+ * Cast away the const. This is read
+ * only so should be safe
+ */
+ (char *)mdprops,
+ strlen(mdprops) + 1);
+ }
+ *p++ = OSSL_PARAM_construct_end();
+
+ return EVP_PKEY_CTX_set_params(ctx, rsa_params);
+}
+
+int EVP_PKEY_CTX_get_rsa_oaep_md_name(EVP_PKEY_CTX *ctx, char *name,
+ size_t namelen)
+{
+ OSSL_PARAM rsa_params[2], *p = rsa_params;
+
+ if (ctx == NULL || !EVP_PKEY_CTX_IS_ASYM_CIPHER_OP(ctx)) {
+ ERR_raise(ERR_LIB_EVP, EVP_R_COMMAND_NOT_SUPPORTED);
+ /* Uses the same return values as EVP_PKEY_CTX_ctrl */
+ return -2;
+ }
+
+ /* If key type not RSA return error */
+ if (ctx->pmeth != NULL && ctx->pmeth->pkey_id != EVP_PKEY_RSA)
+ return -1;
+
+ *p++ = OSSL_PARAM_construct_utf8_string(OSSL_ASYM_CIPHER_PARAM_OAEP_DIGEST,
+ name, namelen);
+ *p++ = OSSL_PARAM_construct_end();
+
+ if (!EVP_PKEY_CTX_get_params(ctx, rsa_params))
+ return -1;
+
+ return 1;
+}
+
+int EVP_PKEY_CTX_get_rsa_oaep_md(EVP_PKEY_CTX *ctx, const EVP_MD **md)
+{
+ /* 80 should be big enough */
+ char name[80] = "";
+
+ if (ctx == NULL || md == NULL || !EVP_PKEY_CTX_IS_ASYM_CIPHER_OP(ctx)) {
+ ERR_raise(ERR_LIB_EVP, EVP_R_COMMAND_NOT_SUPPORTED);
+ /* Uses the same return values as EVP_PKEY_CTX_ctrl */
+ return -2;
+ }
+
+ /* If key type not RSA return error */
+ if (ctx->pmeth != NULL && ctx->pmeth->pkey_id != EVP_PKEY_RSA)
+ return -1;
+
+ /* TODO(3.0): Remove this eventually when no more legacy */
+ if (ctx->op.ciph.ciphprovctx == NULL)
+ return EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_RSA, EVP_PKEY_OP_TYPE_CRYPT,
+ EVP_PKEY_CTRL_GET_RSA_OAEP_MD, 0, (void *)md);
+
+ if (EVP_PKEY_CTX_get_rsa_oaep_md_name(ctx, name, sizeof(name)) <= 0)
+ return -1;
+
+ /* May be NULL meaning "unknown" */
+ *md = EVP_get_digestbyname(name);
+
+ return 1;
+}
+
+int EVP_PKEY_CTX_set_rsa_mgf1_md(EVP_PKEY_CTX *ctx, const EVP_MD *md)
+{
+ const char *name;
+
+ if (ctx == NULL
+ || (!EVP_PKEY_CTX_IS_ASYM_CIPHER_OP(ctx)
+ && !EVP_PKEY_CTX_IS_SIGNATURE_OP(ctx))) {
+ ERR_raise(ERR_LIB_EVP, EVP_R_COMMAND_NOT_SUPPORTED);
+ /* Uses the same return values as EVP_PKEY_CTX_ctrl */
+ return -2;
+ }
+
+ /* If key type not RSA return error */
+ if (ctx->pmeth != NULL
+ && ctx->pmeth->pkey_id != EVP_PKEY_RSA
+ && ctx->pmeth->pkey_id != EVP_PKEY_RSA_PSS)
+ return -1;
+
+ /* TODO(3.0): Remove this eventually when no more legacy */
+ if ((EVP_PKEY_CTX_IS_ASYM_CIPHER_OP(ctx)
+ && ctx->op.ciph.ciphprovctx == NULL)
+ || (EVP_PKEY_CTX_IS_SIGNATURE_OP(ctx)
+ && ctx->op.sig.sigprovctx == NULL))
+ return EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_RSA,
+ EVP_PKEY_OP_TYPE_SIG | EVP_PKEY_OP_TYPE_CRYPT,
+ EVP_PKEY_CTRL_RSA_MGF1_MD, 0, (void *)md);
+
+ name = (md == NULL) ? "" : EVP_MD_name(md);
+
+ return EVP_PKEY_CTX_set_rsa_mgf1_md_name(ctx, name, NULL);
+}
+
+int EVP_PKEY_CTX_set_rsa_mgf1_md_name(EVP_PKEY_CTX *ctx, const char *mdname,
+ const char *mdprops)
+{
+ OSSL_PARAM rsa_params[3], *p = rsa_params;
+
+ if (ctx == NULL
+ || mdname == NULL
+ || (!EVP_PKEY_CTX_IS_ASYM_CIPHER_OP(ctx)
+ && !EVP_PKEY_CTX_IS_SIGNATURE_OP(ctx))) {
+ ERR_raise(ERR_LIB_EVP, EVP_R_COMMAND_NOT_SUPPORTED);
+ /* Uses the same return values as EVP_PKEY_CTX_ctrl */
+ return -2;
+ }
+
+ /* If key type not RSA return error */
+ if (ctx->pmeth != NULL
+ && ctx->pmeth->pkey_id != EVP_PKEY_RSA
+ && ctx->pmeth->pkey_id != EVP_PKEY_RSA_PSS)
+ return -1;
+
+ *p++ = OSSL_PARAM_construct_utf8_string(OSSL_ASYM_CIPHER_PARAM_MGF1_DIGEST,
+ /*
+ * Cast away the const. This is read
+ * only so should be safe
+ */
+ (char *)mdname,
+ strlen(mdname) + 1);
+ if (mdprops != NULL) {
+ *p++ = OSSL_PARAM_construct_utf8_string(
+ OSSL_ASYM_CIPHER_PARAM_MGF1_DIGEST_PROPS,
+ /*
+ * Cast away the const. This is read
+ * only so should be safe
+ */
+ (char *)mdprops,
+ strlen(mdprops) + 1);
+ }
+ *p++ = OSSL_PARAM_construct_end();
+
+ return EVP_PKEY_CTX_set_params(ctx, rsa_params);
+}
+
+int EVP_PKEY_CTX_get_rsa_mgf1_md_name(EVP_PKEY_CTX *ctx, char *name,
+ size_t namelen)
+{
+ OSSL_PARAM rsa_params[2], *p = rsa_params;
+
+ if (ctx == NULL
+ || (!EVP_PKEY_CTX_IS_ASYM_CIPHER_OP(ctx)
+ && !EVP_PKEY_CTX_IS_SIGNATURE_OP(ctx))) {
+ ERR_raise(ERR_LIB_EVP, EVP_R_COMMAND_NOT_SUPPORTED);
+ /* Uses the same return values as EVP_PKEY_CTX_ctrl */
+ return -2;
+ }
+
+ /* If key type not RSA or RSA-PSS return error */
+ if (ctx->pmeth != NULL
+ && ctx->pmeth->pkey_id != EVP_PKEY_RSA
+ && ctx->pmeth->pkey_id != EVP_PKEY_RSA_PSS)
+ return -1;
+
+ *p++ = OSSL_PARAM_construct_utf8_string(OSSL_ASYM_CIPHER_PARAM_MGF1_DIGEST,
+ name, namelen);
+ *p++ = OSSL_PARAM_construct_end();
+
+ if (!EVP_PKEY_CTX_get_params(ctx, rsa_params))
+ return -1;
+
+ return 1;
+}
+
+int EVP_PKEY_CTX_get_rsa_mgf1_md(EVP_PKEY_CTX *ctx, const EVP_MD **md)
+{
+ /* 80 should be big enough */
+ char name[80] = "";
+
+ if (ctx == NULL
+ || (!EVP_PKEY_CTX_IS_ASYM_CIPHER_OP(ctx)
+ && !EVP_PKEY_CTX_IS_SIGNATURE_OP(ctx))) {
+ ERR_raise(ERR_LIB_EVP, EVP_R_COMMAND_NOT_SUPPORTED);
+ /* Uses the same return values as EVP_PKEY_CTX_ctrl */
+ return -2;
+ }
+
+ /* If key type not RSA or RSA-PSS return error */
+ if (ctx->pmeth != NULL
+ && ctx->pmeth->pkey_id != EVP_PKEY_RSA
+ && ctx->pmeth->pkey_id != EVP_PKEY_RSA_PSS)
+ return -1;
+
+ /* TODO(3.0): Remove this eventually when no more legacy */
+ if ((EVP_PKEY_CTX_IS_ASYM_CIPHER_OP(ctx)
+ && ctx->op.ciph.ciphprovctx == NULL)
+ || (EVP_PKEY_CTX_IS_SIGNATURE_OP(ctx)
+ && ctx->op.sig.sigprovctx == NULL))
+ return EVP_PKEY_CTX_ctrl(ctx, -1,
+ EVP_PKEY_OP_TYPE_SIG | EVP_PKEY_OP_TYPE_CRYPT,
+ EVP_PKEY_CTRL_GET_RSA_MGF1_MD, 0, (void *)md);
+
+ if (EVP_PKEY_CTX_get_rsa_mgf1_md_name(ctx, name, sizeof(name)) <= 0)
+ return -1;
+
+ /* May be NULL meaning "unknown" */
+ *md = EVP_get_digestbyname(name);
+
+ return 1;
+}
+
+int EVP_PKEY_CTX_set0_rsa_oaep_label(EVP_PKEY_CTX *ctx, void *label, int llen)
+{
+ OSSL_PARAM rsa_params[2], *p = rsa_params;
+
+ if (ctx == NULL || !EVP_PKEY_CTX_IS_ASYM_CIPHER_OP(ctx)) {
+ ERR_raise(ERR_LIB_EVP, EVP_R_COMMAND_NOT_SUPPORTED);
+ /* Uses the same return values as EVP_PKEY_CTX_ctrl */
+ return -2;
+ }
+
+ /* If key type not RSA return error */
+ if (ctx->pmeth != NULL && ctx->pmeth->pkey_id != EVP_PKEY_RSA)
+ return -1;
+
+ /* TODO(3.0): Remove this eventually when no more legacy */
+ if (ctx->op.ciph.ciphprovctx == NULL)
+ return EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_RSA, EVP_PKEY_OP_TYPE_CRYPT,
+ EVP_PKEY_CTRL_RSA_OAEP_LABEL, llen,
+ (void *)label);
+
+ *p++ = OSSL_PARAM_construct_octet_string(OSSL_ASYM_CIPHER_PARAM_OAEP_LABEL,
+ /*
+ * Cast away the const. This is read
+ * only so should be safe
+ */
+ (void *)label,
+ (size_t)llen);
+ *p++ = OSSL_PARAM_construct_end();
+
+ if (!EVP_PKEY_CTX_set_params(ctx, rsa_params))
+ return 0;
+
+ OPENSSL_free(label);
+ return 1;
+}
+
+int EVP_PKEY_CTX_get0_rsa_oaep_label(EVP_PKEY_CTX *ctx, unsigned char **label)
+{
+ OSSL_PARAM rsa_params[3], *p = rsa_params;
+ size_t labellen;
+
+ if (ctx == NULL || !EVP_PKEY_CTX_IS_ASYM_CIPHER_OP(ctx)) {
+ ERR_raise(ERR_LIB_EVP, EVP_R_COMMAND_NOT_SUPPORTED);
+ /* Uses the same return values as EVP_PKEY_CTX_ctrl */
+ return -2;
+ }
+
+ /* If key type not RSA return error */
+ if (ctx->pmeth != NULL && ctx->pmeth->pkey_id != EVP_PKEY_RSA)
+ return -1;
+
+ /* TODO(3.0): Remove this eventually when no more legacy */
+ if (ctx->op.ciph.ciphprovctx == NULL)
+ return EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_RSA, EVP_PKEY_OP_TYPE_CRYPT,
+ EVP_PKEY_CTRL_GET_RSA_OAEP_LABEL, 0,
+ (void *)label);
+
+ *p++ = OSSL_PARAM_construct_octet_ptr(OSSL_ASYM_CIPHER_PARAM_OAEP_LABEL,
+ (void **)label, 0);
+ *p++ = OSSL_PARAM_construct_size_t(OSSL_ASYM_CIPHER_PARAM_OAEP_LABEL_LEN,
+ &labellen);
+ *p++ = OSSL_PARAM_construct_end();
+
+ if (!EVP_PKEY_CTX_get_params(ctx, rsa_params))
+ return -1;
+
+ if (labellen > INT_MAX)
+ return -1;
+
+ return (int)labellen;
+}
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