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authorDr. Stephen Henson <steve@openssl.org>2006-03-22 14:34:19 +0100
committerDr. Stephen Henson <steve@openssl.org>2006-03-22 14:34:19 +0100
commit1b593194bed99926068d03d46d16d0659b6eba58 (patch)
tree550167347937f8eaa13d46167726b427250b63df /crypto/dh/dh_prn.c
parentGather printing routines into EVP_PKEY_ASN1_METHOD. (diff)
downloadopenssl-1b593194bed99926068d03d46d16d0659b6eba58.tar.xz
openssl-1b593194bed99926068d03d46d16d0659b6eba58.zip
Move algorithm specific print code from crypto/asn1/t_pkey.c to separate
*_prn.c files in each algorithm directory.
Diffstat (limited to 'crypto/dh/dh_prn.c')
-rw-r--r--crypto/dh/dh_prn.c124
1 files changed, 124 insertions, 0 deletions
diff --git a/crypto/dh/dh_prn.c b/crypto/dh/dh_prn.c
new file mode 100644
index 0000000000..04e7c55b7a
--- /dev/null
+++ b/crypto/dh/dh_prn.c
@@ -0,0 +1,124 @@
+/* crypto/asn1/t_pkey.c */
+/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
+ * All rights reserved.
+ *
+ * This package is an SSL implementation written
+ * by Eric Young (eay@cryptsoft.com).
+ * The implementation was written so as to conform with Netscapes SSL.
+ *
+ * This library is free for commercial and non-commercial use as long as
+ * the following conditions are aheared to. The following conditions
+ * apply to all code found in this distribution, be it the RC4, RSA,
+ * lhash, DES, etc., code; not just the SSL code. The SSL documentation
+ * included with this distribution is covered by the same copyright terms
+ * except that the holder is Tim Hudson (tjh@cryptsoft.com).
+ *
+ * Copyright remains Eric Young's, and as such any Copyright notices in
+ * the code are not to be removed.
+ * If this package is used in a product, Eric Young should be given attribution
+ * as the author of the parts of the library used.
+ * This can be in the form of a textual message at program startup or
+ * in documentation (online or textual) provided with the package.
+ *
+ * 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 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 acknowledgement:
+ * "This product includes cryptographic software written by
+ * Eric Young (eay@cryptsoft.com)"
+ * The word 'cryptographic' can be left out if the rouines from the library
+ * being used are not cryptographic related :-).
+ * 4. If you include any Windows specific code (or a derivative thereof) from
+ * the apps directory (application code) you must include an acknowledgement:
+ * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
+ *
+ * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
+ * ANY EXPRESS 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 AUTHOR OR 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.
+ *
+ * The licence and distribution terms for any publically available version or
+ * derivative of this code cannot be changed. i.e. this code cannot simply be
+ * copied and put under another distribution licence
+ * [including the GNU Public Licence.]
+ */
+
+#include <stdio.h>
+#include "cryptlib.h"
+#include <openssl/evp.h>
+#include <openssl/dh.h>
+
+#ifndef OPENSSL_NO_FP_API
+int DHparams_print_fp(FILE *fp, const DH *x)
+ {
+ BIO *b;
+ int ret;
+
+ if ((b=BIO_new(BIO_s_file())) == NULL)
+ {
+ DHerr(DH_F_DHPARAMS_PRINT_FP,ERR_R_BUF_LIB);
+ return(0);
+ }
+ BIO_set_fp(b,fp,BIO_NOCLOSE);
+ ret=DHparams_print(b, x);
+ BIO_free(b);
+ return(ret);
+ }
+#endif
+
+int DHparams_print(BIO *bp, const DH *x)
+ {
+ unsigned char *m=NULL;
+ int reason=ERR_R_BUF_LIB,ret=0;
+ size_t buf_len=0, i;
+
+ if (x->p)
+ buf_len = (size_t)BN_num_bytes(x->p);
+ else
+ {
+ reason = ERR_R_PASSED_NULL_PARAMETER;
+ goto err;
+ }
+ if (x->g)
+ if (buf_len < (i = (size_t)BN_num_bytes(x->g)))
+ buf_len = i;
+ m=(unsigned char *)OPENSSL_malloc(buf_len+10);
+ if (m == NULL)
+ {
+ reason=ERR_R_MALLOC_FAILURE;
+ goto err;
+ }
+
+ if (BIO_printf(bp,"Diffie-Hellman-Parameters: (%d bit)\n",
+ BN_num_bits(x->p)) <= 0)
+ goto err;
+ if (!ASN1_bn_print(bp,"prime:",x->p,m,4)) goto err;
+ if (!ASN1_bn_print(bp,"generator:",x->g,m,4)) goto err;
+ if (x->length != 0)
+ {
+ if (BIO_printf(bp," recommended-private-length: %d bits\n",
+ (int)x->length) <= 0) goto err;
+ }
+ ret=1;
+ if (0)
+ {
+err:
+ DHerr(DH_F_DHPARAMS_PRINT,reason);
+ }
+ if (m != NULL) OPENSSL_free(m);
+ return(ret);
+ }
+