-/* 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:
* 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
+ * 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
* 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
*/
#include <stdio.h>
-#include "cryptlib.h"
+#include "internal/cryptlib.h"
+#include <openssl/objects.h>
#include <openssl/buffer.h>
-#include <openssl/bn.h>
-#ifndef OPENSSL_NO_RSA
-#include <openssl/rsa.h>
-#endif
-#ifndef OPENSSL_NO_DH
-#include <openssl/dh.h>
-#endif
-#ifndef OPENSSL_NO_DSA
-#include <openssl/dsa.h>
-#endif
-#ifndef OPENSSL_NO_ECDSA
-#include <openssl/ecdsa.h>
-#endif
-
-static int print(BIO *fp,const char *str,BIGNUM *num,
- unsigned char *buf,int off);
-#ifndef OPENSSL_NO_RSA
-#ifndef OPENSSL_NO_FP_API
-int RSA_print_fp(FILE *fp, const RSA *x, int off)
- {
- BIO *b;
- int ret;
-
- if ((b=BIO_new(BIO_s_file())) == NULL)
- {
- RSAerr(RSA_F_RSA_PRINT_FP,ERR_R_BUF_LIB);
- return(0);
- }
- BIO_set_fp(b,fp,BIO_NOCLOSE);
- ret=RSA_print(b,x,off);
- BIO_free(b);
- return(ret);
- }
-#endif
-
-int RSA_print(BIO *bp, const RSA *x, int off)
- {
- char str[128];
- const char *s;
- unsigned char *m=NULL;
- int i,ret=0;
-
- i=RSA_size(x);
- m=(unsigned char *)OPENSSL_malloc((unsigned int)i+10);
- if (m == NULL)
- {
- RSAerr(RSA_F_RSA_PRINT,ERR_R_MALLOC_FAILURE);
- goto err;
- }
+#include "internal/bn_int.h"
- if (off)
- {
- if (off > 128) off=128;
- memset(str,' ',off);
- }
- if (x->d != NULL)
- {
- if (off && (BIO_write(bp,str,off) <= 0)) goto err;
- if (BIO_printf(bp,"Private-Key: (%d bit)\n",BN_num_bits(x->n))
- <= 0) goto err;
- }
+/* Number of octets per line */
+#define ASN1_BUF_PRINT_WIDTH 15
+/* Maximum indent */
+#define ASN1_PRINT_MAX_INDENT 128
- if (x->d == NULL)
- sprintf(str,"Modulus (%d bit):",BN_num_bits(x->n));
- else
- strcpy(str,"modulus:");
- if (!print(bp,str,x->n,m,off)) goto err;
- s=(x->d == NULL)?"Exponent:":"publicExponent:";
- if (!print(bp,s,x->e,m,off)) goto err;
- if (!print(bp,"privateExponent:",x->d,m,off)) goto err;
- if (!print(bp,"prime1:",x->p,m,off)) goto err;
- if (!print(bp,"prime2:",x->q,m,off)) goto err;
- if (!print(bp,"exponent1:",x->dmp1,m,off)) goto err;
- if (!print(bp,"exponent2:",x->dmq1,m,off)) goto err;
- if (!print(bp,"coefficient:",x->iqmp,m,off)) goto err;
- ret=1;
-err:
- if (m != NULL) OPENSSL_free(m);
- return(ret);
- }
-#endif /* OPENSSL_NO_RSA */
-
-#ifndef OPENSSL_NO_DSA
-#ifndef OPENSSL_NO_FP_API
-int DSA_print_fp(FILE *fp, const DSA *x, int off)
- {
- BIO *b;
- int ret;
-
- if ((b=BIO_new(BIO_s_file())) == NULL)
- {
- DSAerr(DSA_F_DSA_PRINT_FP,ERR_R_BUF_LIB);
- return(0);
- }
- BIO_set_fp(b,fp,BIO_NOCLOSE);
- ret=DSA_print(b,x,off);
- BIO_free(b);
- return(ret);
- }
-#endif
-
-int DSA_print(BIO *bp, const DSA *x, int off)
- {
- char str[128];
- unsigned char *m=NULL;
- int i,ret=0;
- BIGNUM *bn=NULL;
-
- if (x->p != NULL)
- bn=x->p;
- else if (x->priv_key != NULL)
- bn=x->priv_key;
- else if (x->pub_key != NULL)
- bn=x->pub_key;
-
- /* larger than needed but what the hell :-) */
- if (bn != NULL)
- i=BN_num_bytes(bn)*2;
- else
- i=256;
- m=(unsigned char *)OPENSSL_malloc((unsigned int)i+10);
- if (m == NULL)
- {
- DSAerr(DSA_F_DSA_PRINT,ERR_R_MALLOC_FAILURE);
- goto err;
- }
-
- if (off)
- {
- if (off > 128) off=128;
- memset(str,' ',off);
- }
- if (x->priv_key != NULL)
- {
- if (off && (BIO_write(bp,str,off) <= 0)) goto err;
- if (BIO_printf(bp,"Private-Key: (%d bit)\n",BN_num_bits(x->p))
- <= 0) goto err;
- }
-
- if ((x->priv_key != NULL) && !print(bp,"priv:",x->priv_key,m,off))
- goto err;
- if ((x->pub_key != NULL) && !print(bp,"pub: ",x->pub_key,m,off))
- goto err;
- if ((x->p != NULL) && !print(bp,"P: ",x->p,m,off)) goto err;
- if ((x->q != NULL) && !print(bp,"Q: ",x->q,m,off)) goto err;
- if ((x->g != NULL) && !print(bp,"G: ",x->g,m,off)) goto err;
- ret=1;
-err:
- if (m != NULL) OPENSSL_free(m);
- return(ret);
- }
-#endif /* !OPENSSL_NO_DSA */
-
-#ifndef OPENSSL_NO_ECDSA
-#ifndef OPENSSL_NO_FP_API
-int ECDSA_print_fp(FILE *fp, const ECDSA *x, int off)
+int ASN1_buf_print(BIO *bp, unsigned char *buf, size_t buflen, int indent)
{
- BIO *b;
- int ret;
-
- if ((b=BIO_new(BIO_s_file())) == NULL)
- {
- ECDSAerr(ECDSA_F_ECDSA_PRINT_FP, ERR_R_BIO_LIB);
- return(0);
- }
- BIO_set_fp(b, fp, BIO_NOCLOSE);
- ret = ECDSA_print(b, x, off);
- BIO_free(b);
- return(ret);
+ size_t i;
+
+ for (i = 0; i < buflen; i++) {
+ if ((i % ASN1_BUF_PRINT_WIDTH) == 0) {
+ if (i > 0 && BIO_puts(bp, "\n") <= 0)
+ return 0;
+ if (!BIO_indent(bp, indent, ASN1_PRINT_MAX_INDENT))
+ return 0;
+ }
+ /*
+ * Use colon separators for each octet for compatibility as
+ * this fuction is used to print out key components.
+ */
+ if (BIO_printf(bp, "%02x%s", buf[i],
+ (i == buflen - 1) ? "" : ":") <= 0)
+ return 0;
+ }
+ if (BIO_write(bp, "\n", 1) <= 0)
+ return 0;
+ return 1;
}
-#endif
-
-int ECDSA_print(BIO *bp, const ECDSA *x, int off)
- {
- char str[128];
- unsigned char *buffer=NULL;
- int i, buf_len=0, ret=0, reason=ERR_R_BIO_LIB;
- BIGNUM *tmp_1=NULL, *tmp_2=NULL, *tmp_3=NULL,
- *tmp_4=NULL, *tmp_5=NULL;
- BN_CTX *ctx=NULL;
- EC_POINT *point=NULL;
-
- /* TODO: fields other than prime fields */
-
- if (!x || !x->group)
- {
- reason = ECDSA_R_MISSING_PARAMETERS;
- goto err;
- }
- if ((tmp_1 = BN_new()) == NULL || (tmp_2 = BN_new()) == NULL ||
- (tmp_3 = BN_new()) == NULL || (ctx = BN_CTX_new()) == NULL)
- {
- reason = ERR_R_MALLOC_FAILURE;
- goto err;
- }
- if (!EC_GROUP_get_curve_GFp(x->group, tmp_1, tmp_2, tmp_3, ctx))
- {
- reason = ERR_R_EC_LIB;
- goto err;
- }
- if ((point = EC_GROUP_get0_generator(x->group)) == NULL)
- {
- reason = ERR_R_EC_LIB;
- goto err;
- }
- if ((buf_len = EC_POINT_point2oct(x->group, point, POINT_CONVERSION_COMPRESSED, NULL, 0, ctx)) == 0)
- {
- reason = ECDSA_R_UNEXPECTED_PARAMETER_LENGTH;
- goto err;
- }
- if ((buffer = OPENSSL_malloc(buf_len)) == NULL)
- {
- reason = ERR_R_MALLOC_FAILURE;
- goto err;
- }
- if (!EC_POINT_point2oct(x->group, point, POINT_CONVERSION_COMPRESSED,
- buffer, buf_len, ctx)) goto err;
- if ((tmp_4 = BN_bin2bn(buffer, buf_len, NULL)) == NULL)
- {
- reason = ERR_R_BN_LIB;
- goto err;
- }
- if ((i = EC_POINT_point2oct(x->group, x->pub_key, POINT_CONVERSION_COMPRESSED, NULL, 0, ctx)) == 0)
- {
- reason = ECDSA_R_UNEXPECTED_PARAMETER_LENGTH;
- goto err;
- }
- if (i > buf_len && (buffer = OPENSSL_realloc(buffer, i)) == NULL)
- {
- reason = ERR_R_MALLOC_FAILURE;
- buf_len = i;
- goto err;
- }
- if (!EC_POINT_point2oct(x->group, x->pub_key, POINT_CONVERSION_COMPRESSED,
- buffer, buf_len, ctx))
- {
- reason = ERR_R_EC_LIB;
- goto err;
- }
- if ((tmp_5 = BN_bin2bn(buffer, buf_len, NULL)) == NULL)
- {
- reason = ERR_R_BN_LIB;
- goto err;
- }
- if (tmp_1 != NULL)
- i = BN_num_bytes(tmp_1)*2;
- else
- i=256;
- if ((i + 10) > buf_len && (buffer = OPENSSL_realloc(buffer, i+10)) == NULL)
- {
- reason = ERR_R_MALLOC_FAILURE;
- buf_len = i;
- goto err;
- }
- if (off)
- {
- if (off > 128) off=128;
- memset(str,' ',off);
- }
- if (x->priv_key != NULL)
- {
- if (off && (BIO_write(bp, str, off) <= 0)) goto err;
- if (BIO_printf(bp, "Private-Key: (%d bit)\n", BN_num_bits(tmp_1)) <= 0) goto err;
- }
-
- if ((x->priv_key != NULL) && !print(bp, "priv:", x->priv_key, buffer, off)) goto err;
- if ((tmp_5 != NULL) && !print(bp, "pub: ", tmp_5, buffer, off)) goto err;
- if ((tmp_1 != NULL) && !print(bp, "P: ", tmp_1, buffer, off)) goto err;
- if ((tmp_2 != NULL) && !print(bp, "A: ", tmp_2, buffer, off)) goto err;
- if ((tmp_3 != NULL) && !print(bp, "B: ", tmp_3, buffer, off)) goto err;
- if ((tmp_4 != NULL) && !print(bp, "Gen: ", tmp_4, buffer, off)) goto err;
- ret=1;
-err:
- if (!ret)
- ECDSAerr(ECDSA_F_ECDSA_PRINT, reason);
- if (tmp_1) BN_free(tmp_1);
- if (tmp_2) BN_free(tmp_2);
- if (tmp_3) BN_free(tmp_3);
- if (tmp_4) BN_free(tmp_4);
- if (tmp_5) BN_free(tmp_5);
- if (ctx) BN_CTX_free(ctx);
- if (buffer != NULL) OPENSSL_free(buffer);
- return(ret);
- }
-#endif
-
-static int print(BIO *bp, const char *number, BIGNUM *num, unsigned char *buf,
- int off)
- {
- int n,i;
- char str[128];
- const char *neg;
- if (num == NULL) return(1);
- neg=(num->neg)?"-":"";
- if (off)
- {
- if (off > 128) off=128;
- memset(str,' ',off);
- if (BIO_write(bp,str,off) <= 0) return(0);
- }
-
- if (BN_num_bytes(num) <= BN_BYTES)
- {
- 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,
- (neg[0] == '-')?" (Negative)":"") <= 0)
- return(0);
- n=BN_bn2bin(num,&buf[1]);
-
- if (buf[1] & 0x80)
- n++;
- else buf++;
-
- for (i=0; i<n; i++)
- {
- if ((i%15) == 0)
- {
- str[0]='\n';
- memset(&(str[1]),' ',off+4);
- if (BIO_write(bp,str,off+1+4) <= 0) 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);
- }
-
-#ifndef OPENSSL_NO_DH
-#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,i,ret=0;
-
- i=BN_num_bytes(x->p);
- m=(unsigned char *)OPENSSL_malloc((unsigned int)i+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 (!print(bp,"prime:",x->p,m,4)) goto err;
- if (!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);
- }
-#endif
-
-#ifndef OPENSSL_NO_DSA
-#ifndef OPENSSL_NO_FP_API
-int DSAparams_print_fp(FILE *fp, const DSA *x)
- {
- BIO *b;
- int ret;
-
- if ((b=BIO_new(BIO_s_file())) == NULL)
- {
- DSAerr(DSA_F_DSAPARAMS_PRINT_FP,ERR_R_BUF_LIB);
- return(0);
- }
- BIO_set_fp(b,fp,BIO_NOCLOSE);
- ret=DSAparams_print(b, x);
- BIO_free(b);
- return(ret);
- }
-#endif
-
-int DSAparams_print(BIO *bp, const DSA *x)
- {
- unsigned char *m=NULL;
- int reason=ERR_R_BUF_LIB,i,ret=0;
-
- i=BN_num_bytes(x->p);
- m=(unsigned char *)OPENSSL_malloc((unsigned int)i+10);
- if (m == NULL)
- {
- reason=ERR_R_MALLOC_FAILURE;
- goto err;
- }
-
- if (BIO_printf(bp,"DSA-Parameters: (%d bit)\n",
- BN_num_bits(x->p)) <= 0)
- goto err;
- if (!print(bp,"p:",x->p,m,4)) goto err;
- if (!print(bp,"q:",x->q,m,4)) goto err;
- if (!print(bp,"g:",x->g,m,4)) goto err;
- ret=1;
-err:
- if (m != NULL) OPENSSL_free(m);
- DSAerr(DSA_F_DSAPARAMS_PRINT,reason);
- return(ret);
- }
-
-#endif /* !OPENSSL_NO_DSA */
-
-#ifndef OPENSSL_NO_ECDSA
-#ifndef OPENSSL_NO_FP_API
-int ECDSAParameters_print_fp(FILE *fp, const ECDSA *x)
- {
- BIO *b;
- int ret;
-
- if ((b=BIO_new(BIO_s_file())) == NULL)
- {
- ECDSAerr(ECDSA_F_ECDSAPARAMETERS_PRINT_FP, ERR_R_BIO_LIB);
- return(0);
- }
- BIO_set_fp(b, fp, BIO_NOCLOSE);
- ret = ECDSAParameters_print(b, x);
- BIO_free(b);
- return(ret);
- }
-#endif
-
-int ECDSAParameters_print(BIO *bp, const ECDSA *x)
- {
- unsigned char *buffer=NULL;
- int buf_len;
- int reason=ERR_R_EC_LIB, i, ret=0;
- BIGNUM *tmp_1=NULL, *tmp_2=NULL, *tmp_3=NULL, *tmp_4=NULL,
- *tmp_5=NULL, *tmp_6=NULL;
- BN_CTX *ctx=NULL;
- EC_POINT *point=NULL;
-
- /* TODO: fields other than prime fields */
- if (!x || !x->group)
- {
- reason = ECDSA_R_MISSING_PARAMETERS;
- goto err;
- }
- if ((tmp_1 = BN_new()) == NULL || (tmp_2 = BN_new()) == NULL ||
- (tmp_3 = BN_new()) == NULL || (tmp_5 = BN_new()) == NULL ||
- (tmp_6 = BN_new()) == NULL || (ctx = BN_CTX_new()) == NULL)
- {
- reason = ERR_R_MALLOC_FAILURE;
- goto err;
- }
- if (!EC_GROUP_get_curve_GFp(x->group, tmp_1, tmp_2, tmp_3, ctx)) goto err;
- if ((point = EC_GROUP_get0_generator(x->group)) == NULL) goto err;
- if (!EC_GROUP_get_order(x->group, tmp_5, ctx)) goto err;
- if (!EC_GROUP_get_cofactor(x->group, tmp_6, ctx)) goto err;
- buf_len = EC_POINT_point2oct(x->group, point, POINT_CONVERSION_COMPRESSED, NULL, 0, ctx);
- if (!buf_len || (buffer = OPENSSL_malloc(buf_len)) == NULL)
- {
- reason = ERR_R_MALLOC_FAILURE;
- goto err;
- }
- if (!EC_POINT_point2oct(x->group, point, POINT_CONVERSION_COMPRESSED, buffer, buf_len, ctx))
- {
- reason = ERR_R_EC_LIB;
- goto err;
- }
- if ((tmp_4 = BN_bin2bn(buffer, buf_len, NULL)) == NULL)
- {
- reason = ERR_R_BN_LIB;
- goto err;
- }
-
- i = BN_num_bits(tmp_1) + 10;
- if (i > buf_len && (buffer = OPENSSL_realloc(buffer, i)) == NULL)
- {
- reason=ERR_R_MALLOC_FAILURE;
- goto err;
- }
-
- if (BIO_printf(bp, "ECDSA-Parameters: (%d bit)\n", BN_num_bits(tmp_1)) <= 0) goto err;
- if (!print(bp, "Prime p:", tmp_1, buffer, 4)) goto err;
- if (!print(bp, "Curve a:", tmp_2, buffer, 4)) goto err;
- if (!print(bp, "Curve b:", tmp_3, buffer, 4)) goto err;
- if (!print(bp, "Generator (compressed):", tmp_4, buffer, 4)) goto err;
- if (!print(bp, "Order:", tmp_5, buffer, 4)) goto err;
- if (!print(bp, "Cofactor:", tmp_6, buffer, 4)) goto err;
- ret=1;
-err:
- if (tmp_1) BN_free(tmp_1);
- if (tmp_2) BN_free(tmp_2);
- if (tmp_3) BN_free(tmp_3);
- if (tmp_4) BN_free(tmp_4);
- if (tmp_5) BN_free(tmp_5);
- if (tmp_6) BN_free(tmp_6);
- if (ctx) BN_CTX_free(ctx);
- if (buffer) OPENSSL_free(buffer);
- ECDSAerr(ECDSA_F_ECDSAPARAMETERS_PRINT, reason);
- return(ret);
- }
-
-#endif
+int ASN1_bn_print(BIO *bp, const char *number, const BIGNUM *num,
+ unsigned char *ign, int indent)
+{
+ int n, rv = 0;
+ const char *neg;
+ unsigned char *buf = NULL, *tmp = NULL;
+ int buflen;
+
+ if (num == NULL)
+ return 1;
+ neg = BN_is_negative(num) ? "-" : "";
+ if (!BIO_indent(bp, indent, ASN1_PRINT_MAX_INDENT))
+ 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) <= BN_BYTES) {
+ if (BIO_printf(bp, "%s %s%lu (%s0x%lx)\n", number, neg,
+ (unsigned long)bn_get_words(num)[0], neg,
+ (unsigned long)bn_get_words(num)[0]) <= 0)
+ return 0;
+ return 1;
+ }
+
+ buflen = BN_num_bytes(num) + 1;
+ buf = tmp = OPENSSL_malloc(buflen);
+ if (buf == NULL)
+ goto err;
+ buf[0] = 0;
+ if (BIO_printf(bp, "%s%s\n", number,
+ (neg[0] == '-') ? " (Negative)" : "") <= 0)
+ goto err;
+ n = BN_bn2bin(num, buf + 1);
+
+ if (buf[1] & 0x80)
+ n++;
+ else
+ tmp++;
+
+ if (ASN1_buf_print(bp, tmp, n, indent + 4) == 0)
+ goto err;
+ rv = 1;
+ err:
+ OPENSSL_clear_free(buf, buflen);
+ return rv;
+}
projects / openssl.git / blobdiff