+static int pkey_rsa_print(BIO *bp, const EVP_PKEY *pkey, int off, int priv)
+{
+ const RSA *x = pkey->pkey.rsa;
+ char *str;
+ const char *s;
+ int ret = 0, mod_len = 0, ex_primes;
+
+ if (x->n != NULL)
+ mod_len = BN_num_bits(x->n);
+ ex_primes = sk_RSA_PRIME_INFO_num(x->prime_infos);
+
+ if (!BIO_indent(bp, off, 128))
+ goto err;
+
+ if (BIO_printf(bp, "%s ", pkey_is_pss(pkey) ? "RSA-PSS" : "RSA") <= 0)
+ goto err;
+
+ if (priv && x->d) {
+ if (BIO_printf(bp, "Private-Key: (%d bit, %d primes)\n",
+ mod_len, ex_primes <= 0 ? 2 : ex_primes + 2) <= 0)
+ goto err;
+ str = "modulus:";
+ s = "publicExponent:";
+ } else {
+ if (BIO_printf(bp, "Public-Key: (%d bit)\n", mod_len) <= 0)
+ goto err;
+ str = "Modulus:";
+ s = "Exponent:";
+ }
+ if (!ASN1_bn_print(bp, str, x->n, NULL, off))
+ goto err;
+ if (!ASN1_bn_print(bp, s, x->e, NULL, off))
+ goto err;
+ if (priv) {
+ int i;
+
+ if (!ASN1_bn_print(bp, "privateExponent:", x->d, NULL, off))
+ goto err;
+ if (!ASN1_bn_print(bp, "prime1:", x->p, NULL, off))
+ goto err;
+ if (!ASN1_bn_print(bp, "prime2:", x->q, NULL, off))
+ goto err;
+ if (!ASN1_bn_print(bp, "exponent1:", x->dmp1, NULL, off))
+ goto err;
+ if (!ASN1_bn_print(bp, "exponent2:", x->dmq1, NULL, off))
+ goto err;
+ if (!ASN1_bn_print(bp, "coefficient:", x->iqmp, NULL, off))
+ goto err;
+ for (i = 0; i < sk_RSA_PRIME_INFO_num(x->prime_infos); i++) {
+ /* print multi-prime info */
+ BIGNUM *bn = NULL;
+ RSA_PRIME_INFO *pinfo;
+ int j;
+
+ pinfo = sk_RSA_PRIME_INFO_value(x->prime_infos, i);
+ for (j = 0; j < 3; j++) {
+ if (!BIO_indent(bp, off, 128))
+ goto err;
+ switch (j) {
+ case 0:
+ if (BIO_printf(bp, "prime%d:", i + 3) <= 0)
+ goto err;
+ bn = pinfo->r;
+ break;
+ case 1:
+ if (BIO_printf(bp, "exponent%d:", i + 3) <= 0)
+ goto err;
+ bn = pinfo->d;
+ break;
+ case 2:
+ if (BIO_printf(bp, "coefficient%d:", i + 3) <= 0)
+ goto err;
+ bn = pinfo->t;
+ break;
+ default:
+ break;
+ }
+ if (!ASN1_bn_print(bp, "", bn, NULL, off))
+ goto err;
+ }
+ }
+ }
+ if (pkey_is_pss(pkey) && !rsa_pss_param_print(bp, 1, x->pss, off))
+ goto err;
+ ret = 1;
+ err:
+ return ret;
+}
+
+static int rsa_pub_print(BIO *bp, const EVP_PKEY *pkey, int indent,
+ ASN1_PCTX *ctx)
+{
+ return pkey_rsa_print(bp, pkey, indent, 0);
+}
+
+static int rsa_priv_print(BIO *bp, const EVP_PKEY *pkey, int indent,
+ ASN1_PCTX *ctx)
+{
+ return pkey_rsa_print(bp, pkey, indent, 1);
+}
+
+static RSA_PSS_PARAMS *rsa_pss_decode(const X509_ALGOR *alg)
+{
+ RSA_PSS_PARAMS *pss;
+
+ pss = ASN1_TYPE_unpack_sequence(ASN1_ITEM_rptr(RSA_PSS_PARAMS),
+ alg->parameter);
+
+ if (pss == NULL)
+ return NULL;
+
+ if (pss->maskGenAlgorithm != NULL) {
+ pss->maskHash = rsa_mgf1_decode(pss->maskGenAlgorithm);
+ if (pss->maskHash == NULL) {
+ RSA_PSS_PARAMS_free(pss);
+ return NULL;
+ }
+ }
+
+ return pss;
+}
+