--- /dev/null
+/* ====================================================================
+ * Copyright (c) 2006 The OpenSSL Project. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in
+ * the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * 3. All advertising materials mentioning features or use of this
+ * software must display the following acknowledgment:
+ * "This product includes software developed by the OpenSSL Project
+ * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
+ *
+ * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
+ * endorse or promote products derived from this software without
+ * prior written permission. For written permission, please contact
+ * licensing@OpenSSL.org.
+ *
+ * 5. Products derived from this software may not be called "OpenSSL"
+ * nor may "OpenSSL" appear in their names without prior written
+ * permission of the OpenSSL Project.
+ *
+ * 6. Redistributions of any form whatsoever must retain the following
+ * acknowledgment:
+ * "This product includes software developed by the OpenSSL Project
+ * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
+ * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
+ * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+ * OF THE POSSIBILITY OF SUCH DAMAGE.
+ * ====================================================================
+ *
+ * This product includes cryptographic software written by Eric Young
+ * (eay@cryptsoft.com). This product includes software written by Tim
+ * Hudson (tjh@cryptsoft.com). */
+
+#include <openssl/evp.h>
+
+#include <openssl/bio.h>
+#include <openssl/bn.h>
+#include <openssl/dsa.h>
+#include <openssl/ec.h>
+#include <openssl/ec_key.h>
+#include <openssl/mem.h>
+#include <openssl/rsa.h>
+
+#include "../internal.h"
+#include "../fipsmodule/rsa/internal.h"
+
+
+static int bn_print(BIO *bp, const char *number, const BIGNUM *num,
+ uint8_t *buf, int off) {
+ if (num == NULL) {
+ return 1;
+ }
+
+ if (!BIO_indent(bp, off, 128)) {
+ return 0;
+ }
+ if (BN_is_zero(num)) {
+ if (BIO_printf(bp, "%s 0\n", number) <= 0) {
+ return 0;
+ }
+ return 1;
+ }
+
+ if (BN_num_bytes(num) <= sizeof(long)) {
+ const char *neg = BN_is_negative(num) ? "-" : "";
+ if (BIO_printf(bp, "%s %s%lu (%s0x%lx)\n", number, neg,
+ (unsigned long)num->d[0], neg,
+ (unsigned long)num->d[0]) <= 0) {
+ return 0;
+ }
+ } else {
+ buf[0] = 0;
+ if (BIO_printf(bp, "%s%s", number,
+ (BN_is_negative(num)) ? " (Negative)" : "") <= 0) {
+ return 0;
+ }
+ int n = BN_bn2bin(num, &buf[1]);
+
+ if (buf[1] & 0x80) {
+ n++;
+ } else {
+ buf++;
+ }
+
+ int i;
+ for (i = 0; i < n; i++) {
+ if ((i % 15) == 0) {
+ if (BIO_puts(bp, "\n") <= 0 ||
+ !BIO_indent(bp, off + 4, 128)) {
+ return 0;
+ }
+ }
+ if (BIO_printf(bp, "%02x%s", buf[i], ((i + 1) == n) ? "" : ":") <= 0) {
+ return 0;
+ }
+ }
+ if (BIO_write(bp, "\n", 1) <= 0) {
+ return 0;
+ }
+ }
+ return 1;
+}
+
+static void update_buflen(const BIGNUM *b, size_t *pbuflen) {
+ if (!b) {
+ return;
+ }
+
+ size_t len = BN_num_bytes(b);
+ if (*pbuflen < len) {
+ *pbuflen = len;
+ }
+}
+
+// RSA keys.
+
+static int do_rsa_print(BIO *out, const RSA *rsa, int off,
+ int include_private) {
+ const char *s, *str;
+ uint8_t *m = NULL;
+ int ret = 0, mod_len = 0;
+ size_t buf_len = 0;
+
+ update_buflen(rsa->n, &buf_len);
+ update_buflen(rsa->e, &buf_len);
+
+ if (include_private) {
+ update_buflen(rsa->d, &buf_len);
+ update_buflen(rsa->p, &buf_len);
+ update_buflen(rsa->q, &buf_len);
+ update_buflen(rsa->dmp1, &buf_len);
+ update_buflen(rsa->dmq1, &buf_len);
+ update_buflen(rsa->iqmp, &buf_len);
+ }
+
+ m = (uint8_t *)OPENSSL_malloc(buf_len + 10);
+ if (m == NULL) {
+ OPENSSL_PUT_ERROR(EVP, ERR_R_MALLOC_FAILURE);
+ goto err;
+ }
+
+ if (rsa->n != NULL) {
+ mod_len = BN_num_bits(rsa->n);
+ }
+
+ if (!BIO_indent(out, off, 128)) {
+ goto err;
+ }
+
+ if (include_private && rsa->d) {
+ if (BIO_printf(out, "Private-Key: (%d bit)\n", mod_len) <= 0) {
+ goto err;
+ }
+ str = "modulus:";
+ s = "publicExponent:";
+ } else {
+ if (BIO_printf(out, "Public-Key: (%d bit)\n", mod_len) <= 0) {
+ goto err;
+ }
+ str = "Modulus:";
+ s = "Exponent:";
+ }
+ if (!bn_print(out, str, rsa->n, m, off) ||
+ !bn_print(out, s, rsa->e, m, off)) {
+ goto err;
+ }
+
+ if (include_private) {
+ if (!bn_print(out, "privateExponent:", rsa->d, m, off) ||
+ !bn_print(out, "prime1:", rsa->p, m, off) ||
+ !bn_print(out, "prime2:", rsa->q, m, off) ||
+ !bn_print(out, "exponent1:", rsa->dmp1, m, off) ||
+ !bn_print(out, "exponent2:", rsa->dmq1, m, off) ||
+ !bn_print(out, "coefficient:", rsa->iqmp, m, off)) {
+ goto err;
+ }
+ }
+ ret = 1;
+
+err:
+ OPENSSL_free(m);
+ return ret;
+}
+
+static int rsa_pub_print(BIO *bp, const EVP_PKEY *pkey, int indent,
+ ASN1_PCTX *ctx) {
+ return do_rsa_print(bp, pkey->pkey.rsa, indent, 0);
+}
+
+static int rsa_priv_print(BIO *bp, const EVP_PKEY *pkey, int indent,
+ ASN1_PCTX *ctx) {
+ return do_rsa_print(bp, pkey->pkey.rsa, indent, 1);
+}
+
+
+// DSA keys.
+
+static int do_dsa_print(BIO *bp, const DSA *x, int off, int ptype) {
+ uint8_t *m = NULL;
+ int ret = 0;
+ size_t buf_len = 0;
+ const char *ktype = NULL;
+
+ const BIGNUM *priv_key, *pub_key;
+
+ priv_key = NULL;
+ if (ptype == 2) {
+ priv_key = x->priv_key;
+ }
+
+ pub_key = NULL;
+ if (ptype > 0) {
+ pub_key = x->pub_key;
+ }
+
+ ktype = "DSA-Parameters";
+ if (ptype == 2) {
+ ktype = "Private-Key";
+ } else if (ptype == 1) {
+ ktype = "Public-Key";
+ }
+
+ update_buflen(x->p, &buf_len);
+ update_buflen(x->q, &buf_len);
+ update_buflen(x->g, &buf_len);
+ update_buflen(priv_key, &buf_len);
+ update_buflen(pub_key, &buf_len);
+
+ m = (uint8_t *)OPENSSL_malloc(buf_len + 10);
+ if (m == NULL) {
+ OPENSSL_PUT_ERROR(EVP, ERR_R_MALLOC_FAILURE);
+ goto err;
+ }
+
+ if (priv_key) {
+ if (!BIO_indent(bp, off, 128) ||
+ BIO_printf(bp, "%s: (%d bit)\n", ktype, BN_num_bits(x->p)) <= 0) {
+ goto err;
+ }
+ }
+
+ if (!bn_print(bp, "priv:", priv_key, m, off) ||
+ !bn_print(bp, "pub: ", pub_key, m, off) ||
+ !bn_print(bp, "P: ", x->p, m, off) ||
+ !bn_print(bp, "Q: ", x->q, m, off) ||
+ !bn_print(bp, "G: ", x->g, m, off)) {
+ goto err;
+ }
+ ret = 1;
+
+err:
+ OPENSSL_free(m);
+ return ret;
+}
+
+static int dsa_param_print(BIO *bp, const EVP_PKEY *pkey, int indent,
+ ASN1_PCTX *ctx) {
+ return do_dsa_print(bp, pkey->pkey.dsa, indent, 0);
+}
+
+static int dsa_pub_print(BIO *bp, const EVP_PKEY *pkey, int indent,
+ ASN1_PCTX *ctx) {
+ return do_dsa_print(bp, pkey->pkey.dsa, indent, 1);
+}
+
+static int dsa_priv_print(BIO *bp, const EVP_PKEY *pkey, int indent,
+ ASN1_PCTX *ctx) {
+ return do_dsa_print(bp, pkey->pkey.dsa, indent, 2);
+}
+
+
+// EC keys.
+
+static int do_EC_KEY_print(BIO *bp, const EC_KEY *x, int off, int ktype) {
+ uint8_t *buffer = NULL;
+ const char *ecstr;
+ size_t buf_len = 0, i;
+ int ret = 0, reason = ERR_R_BIO_LIB;
+ BIGNUM *order = NULL;
+ BN_CTX *ctx = NULL;
+ const EC_GROUP *group;
+ const EC_POINT *public_key;
+ const BIGNUM *priv_key;
+ uint8_t *pub_key_bytes = NULL;
+ size_t pub_key_bytes_len = 0;
+
+ if (x == NULL || (group = EC_KEY_get0_group(x)) == NULL) {
+ reason = ERR_R_PASSED_NULL_PARAMETER;
+ goto err;
+ }
+
+ ctx = BN_CTX_new();
+ if (ctx == NULL) {
+ reason = ERR_R_MALLOC_FAILURE;
+ goto err;
+ }
+
+ if (ktype > 0) {
+ public_key = EC_KEY_get0_public_key(x);
+ if (public_key != NULL) {
+ pub_key_bytes_len = EC_POINT_point2oct(
+ group, public_key, EC_KEY_get_conv_form(x), NULL, 0, ctx);
+ if (pub_key_bytes_len == 0) {
+ reason = ERR_R_MALLOC_FAILURE;
+ goto err;
+ }
+ pub_key_bytes = OPENSSL_malloc(pub_key_bytes_len);
+ if (pub_key_bytes == NULL) {
+ reason = ERR_R_MALLOC_FAILURE;
+ goto err;
+ }
+ pub_key_bytes_len =
+ EC_POINT_point2oct(group, public_key, EC_KEY_get_conv_form(x),
+ pub_key_bytes, pub_key_bytes_len, ctx);
+ if (pub_key_bytes_len == 0) {
+ reason = ERR_R_MALLOC_FAILURE;
+ goto err;
+ }
+ buf_len = pub_key_bytes_len;
+ }
+ }
+
+ if (ktype == 2) {
+ priv_key = EC_KEY_get0_private_key(x);
+ if (priv_key && (i = (size_t)BN_num_bytes(priv_key)) > buf_len) {
+ buf_len = i;
+ }
+ } else {
+ priv_key = NULL;
+ }
+
+ if (ktype > 0) {
+ buf_len += 10;
+ if ((buffer = OPENSSL_malloc(buf_len)) == NULL) {
+ reason = ERR_R_MALLOC_FAILURE;
+ goto err;
+ }
+ }
+ if (ktype == 2) {
+ ecstr = "Private-Key";
+ } else if (ktype == 1) {
+ ecstr = "Public-Key";
+ } else {
+ ecstr = "ECDSA-Parameters";
+ }
+
+ if (!BIO_indent(bp, off, 128)) {
+ goto err;
+ }
+ order = BN_new();
+ if (order == NULL || !EC_GROUP_get_order(group, order, NULL) ||
+ BIO_printf(bp, "%s: (%d bit)\n", ecstr, BN_num_bits(order)) <= 0) {
+ goto err;
+ }
+
+ if ((priv_key != NULL) &&
+ !bn_print(bp, "priv:", priv_key, buffer, off)) {
+ goto err;
+ }
+ if (pub_key_bytes != NULL) {
+ BIO_hexdump(bp, pub_key_bytes, pub_key_bytes_len, off);
+ }
+ // TODO(fork): implement
+ /*
+ if (!ECPKParameters_print(bp, group, off))
+ goto err; */
+ ret = 1;
+
+err:
+ if (!ret) {
+ OPENSSL_PUT_ERROR(EVP, reason);
+ }
+ OPENSSL_free(pub_key_bytes);
+ BN_free(order);
+ BN_CTX_free(ctx);
+ OPENSSL_free(buffer);
+ return ret;
+}
+
+static int eckey_param_print(BIO *bp, const EVP_PKEY *pkey, int indent,
+ ASN1_PCTX *ctx) {
+ return do_EC_KEY_print(bp, pkey->pkey.ec, indent, 0);
+}
+
+static int eckey_pub_print(BIO *bp, const EVP_PKEY *pkey, int indent,
+ ASN1_PCTX *ctx) {
+ return do_EC_KEY_print(bp, pkey->pkey.ec, indent, 1);
+}
+
+
+static int eckey_priv_print(BIO *bp, const EVP_PKEY *pkey, int indent,
+ ASN1_PCTX *ctx) {
+ return do_EC_KEY_print(bp, pkey->pkey.ec, indent, 2);
+}
+
+
+typedef struct {
+ int type;
+ int (*pub_print)(BIO *out, const EVP_PKEY *pkey, int indent, ASN1_PCTX *pctx);
+ int (*priv_print)(BIO *out, const EVP_PKEY *pkey, int indent,
+ ASN1_PCTX *pctx);
+ int (*param_print)(BIO *out, const EVP_PKEY *pkey, int indent,
+ ASN1_PCTX *pctx);
+} EVP_PKEY_PRINT_METHOD;
+
+static EVP_PKEY_PRINT_METHOD kPrintMethods[] = {
+ {
+ EVP_PKEY_RSA,
+ rsa_pub_print,
+ rsa_priv_print,
+ NULL /* param_print */,
+ },
+ {
+ EVP_PKEY_DSA,
+ dsa_pub_print,
+ dsa_priv_print,
+ dsa_param_print,
+ },
+ {
+ EVP_PKEY_EC,
+ eckey_pub_print,
+ eckey_priv_print,
+ eckey_param_print,
+ },
+};
+
+static size_t kPrintMethodsLen = OPENSSL_ARRAY_SIZE(kPrintMethods);
+
+static EVP_PKEY_PRINT_METHOD *find_method(int type) {
+ for (size_t i = 0; i < kPrintMethodsLen; i++) {
+ if (kPrintMethods[i].type == type) {
+ return &kPrintMethods[i];
+ }
+ }
+ return NULL;
+}
+
+static int print_unsupported(BIO *out, const EVP_PKEY *pkey, int indent,
+ const char *kstr) {
+ BIO_indent(out, indent, 128);
+ BIO_printf(out, "%s algorithm unsupported\n", kstr);
+ return 1;
+}
+
+int EVP_PKEY_print_public(BIO *out, const EVP_PKEY *pkey, int indent,
+ ASN1_PCTX *pctx) {
+ EVP_PKEY_PRINT_METHOD *method = find_method(pkey->type);
+ if (method != NULL && method->pub_print != NULL) {
+ return method->pub_print(out, pkey, indent, pctx);
+ }
+ return print_unsupported(out, pkey, indent, "Public Key");
+}
+
+int EVP_PKEY_print_private(BIO *out, const EVP_PKEY *pkey, int indent,
+ ASN1_PCTX *pctx) {
+ EVP_PKEY_PRINT_METHOD *method = find_method(pkey->type);
+ if (method != NULL && method->priv_print != NULL) {
+ return method->priv_print(out, pkey, indent, pctx);
+ }
+ return print_unsupported(out, pkey, indent, "Private Key");
+}
+
+int EVP_PKEY_print_params(BIO *out, const EVP_PKEY *pkey, int indent,
+ ASN1_PCTX *pctx) {
+ EVP_PKEY_PRINT_METHOD *method = find_method(pkey->type);
+ if (method != NULL && method->param_print != NULL) {
+ return method->param_print(out, pkey, indent, pctx);
+ }
+ return print_unsupported(out, pkey, indent, "Parameters");
+}
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