Move algorithm specific print code from crypto/asn1/t_pkey.c to separate
[openssl.git] / crypto / asn1 / t_pkey.c
index c456b67b01c9833a262dd3915dfc5e7cd4ef2faa..9dd18f65793733798a5ee62e0f812c44e18544b6 100644 (file)
 #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;
-               }
-
-       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;
-               }
-
-       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_EC
-#ifndef OPENSSL_NO_FP_API
-int ECPKParameters_print_fp(FILE *fp, const EC_GROUP *x, int off)
-       {
-       BIO *b;
-       int ret;
-
-       if ((b=BIO_new(BIO_s_file())) == NULL)
-               {
-               ECerr(EC_F_ECPKPARAMETERS_PRINT_FP,ERR_R_BUF_LIB);
-               return(0);
-               }
-       BIO_set_fp(b, fp, BIO_NOCLOSE);
-       ret = ECPKParameters_print(b, x, off);
-       BIO_free(b);
-       return(ret);
-       }
-#endif
-
-int ECPKParameters_print(BIO *bp, const EC_GROUP *x, int off)
-       {
-       char str[128];
-       unsigned char *buffer=NULL;
-       size_t  buf_len=0, i;
-       int     ret=0, reason=ERR_R_BIO_LIB;
-       BN_CTX  *ctx=NULL;
-       EC_POINT *point=NULL;
-       BIGNUM  *p=NULL, *a=NULL, *b=NULL, *gen=NULL,
-               *order=NULL, *cofactor=NULL, *seed=NULL;
-       
-       static const char *gen_compressed = "Generator (compressed):";
-       static const char *gen_uncompressed = "Generator (uncompressed):";
-       static const char *gen_hybrid = "Generator (hybrid):";
-       if (!x)
-               {
-               reason = ERR_R_PASSED_NULL_PARAMETER;
-               goto err;
-               }
-
-       if (EC_GROUP_get_asn1_flag(x))
-               {
-               /* the curve parameter are given by an asn1 OID */
-               int nid;
-
-               if (off)
-                       {
-                       if (off > 128)
-                               off=128;
-                       memset(str, ' ', off);
-                       if (BIO_write(bp, str, off) <= 0)
-                               goto err;
-                       }
-
-               nid = EC_GROUP_get_nid(x);
-               if (nid == 0)
-                       goto err;
-
-               if (BIO_printf(bp, "ASN1 OID: %s", OBJ_nid2sn(nid)) <= 0)
-                       goto err;
-               if (BIO_printf(bp, "\n") <= 0)
-                       goto err;
-               }
-       else
-               {
-               /* explicit parameters */
-               /* TODO */
-               point_conversion_form_t form;
-
-               if ((p = BN_new()) == NULL || (a = BN_new()) == NULL ||
-                       (b = BN_new()) == NULL || (order = BN_new()) == NULL ||
-                       (cofactor = BN_new()) == NULL)
-                       {
-                       reason = ERR_R_MALLOC_FAILURE;
-                       goto err;
-                       }
-
-               if (!EC_GROUP_get_curve_GFp(x, p, a, b, ctx))
-                       {
-                       reason = ERR_R_EC_LIB;
-                       goto err;
-                       }
-
-               if ((point = EC_GROUP_get0_generator(x)) == NULL)
-                       {
-                       reason = ERR_R_EC_LIB;
-                       goto err;
-                       }
-               if (!EC_GROUP_get_order(x, order, NULL) || 
-                       !EC_GROUP_get_cofactor(x, cofactor, NULL))
-                       {
-                       reason = ERR_R_EC_LIB;
-                       goto err;
-                       }
-               
-               form = EC_GROUP_get_point_conversion_form(x);
-
-               if ((gen = EC_POINT_point2bn(x, point, 
-                               form, NULL, ctx)) == NULL)
-                       {
-                       reason = ERR_R_EC_LIB;
-                       goto err;
-                       }
-
-               buf_len = (size_t)BN_num_bytes(p);
-               if (buf_len < (i = (size_t)BN_num_bytes(a)))
-                       buf_len = i;
-               if (buf_len < (i = (size_t)BN_num_bytes(b)))
-                       buf_len = i;
-               if (buf_len < (i = (size_t)BN_num_bytes(gen)))
-                       buf_len = i;
-               if (buf_len < (i = (size_t)BN_num_bytes(order)))
-                       buf_len = i;
-               if (buf_len < (i = (size_t)BN_num_bytes(cofactor))) 
-                       buf_len = i;
-
-               if (EC_GROUP_get0_seed(x))
-                       {
-                       seed = BN_bin2bn(EC_GROUP_get0_seed(x),
-                               EC_GROUP_get_seed_len(x), NULL);
-                       if (seed == NULL)
-                               {
-                               reason = ERR_R_BN_LIB;
-                               goto err;
-                               }
-                       if (buf_len < (i = (size_t)BN_num_bytes(seed))) 
-                               buf_len = i;
-                       }
-
-               buf_len += 10;
-               if ((buffer = OPENSSL_malloc(buf_len)) == NULL)
-                       {
-                       reason = ERR_R_MALLOC_FAILURE;
-                       goto err;
-                       }
-               if (off)
-                       {
-                       if (off > 128) off=128;
-                       memset(str,' ',off);
-                       }
-  
-               if ((p != NULL) && !print(bp, "P:   ", p, buffer, off)) 
-                       goto err;
-               if ((a != NULL) && !print(bp, "A:   ", a, buffer, off)) 
-                       goto err;
-               if ((b != NULL) && !print(bp, "B:   ", b, buffer, off))
-                       goto err;
-               if (form == POINT_CONVERSION_COMPRESSED)
-                       {
-                       if ((gen != NULL) && !print(bp, gen_compressed, gen,
-                               buffer, off))
-                               goto err;
-                       }
-               else if (form == POINT_CONVERSION_UNCOMPRESSED)
-                       {
-                       if ((gen != NULL) && !print(bp, gen_uncompressed, gen,
-                               buffer, off))
-                               goto err;
-                       }
-               else /* form == POINT_CONVERSION_HYBRID */
-                       {
-                       if ((gen != NULL) && !print(bp, gen_hybrid, gen,
-                               buffer, off))
-                               goto err;
-                       }
-               if ((order != NULL) && !print(bp, "Order: ", order, 
-                       buffer, off)) goto err;
-               if ((cofactor != NULL) && !print(bp, "Cofactor: ", cofactor, 
-                       buffer, off)) goto err;
-               if ((seed != NULL) && !print(bp, "Seed:", seed, 
-                       buffer, off)) goto err;
-               }
-       ret=1;
-err:
-       if (!ret)
-               ECerr(EC_F_ECPKPARAMETERS_PRINT, reason);
-       if (p) 
-               BN_free(p);
-       if (a) 
-               BN_free(a);
-       if (b)
-               BN_free(b);
-       if (gen)
-               BN_free(gen);
-       if (order)
-               BN_free(order);
-       if (cofactor)
-               BN_free(cofactor);
-       if (seed) 
-               BN_free(seed);
-       if (ctx)
-               BN_CTX_free(ctx);
-       if (buffer != NULL) 
-               OPENSSL_free(buffer);
-       return(ret);    
-       }
-#endif /* OPENSSL_NO_EC */
-
-
-#ifndef OPENSSL_NO_ECDSA
-#ifndef OPENSSL_NO_FP_API
-int ECDSA_print_fp(FILE *fp, const ECDSA *x, int off)
-{
-       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);
-}
-#endif
-
-int ECDSA_print(BIO *bp, const ECDSA *x, int off)
-       {
-       char str[128];
-       unsigned char *buffer=NULL;
-       size_t  buf_len=0, i;
-       int     ret=0, reason=ERR_R_BIO_LIB;
-       BIGNUM  *pub_key=NULL;
-       BN_CTX  *ctx=NULL;
-       if (!x || !x->group)
-               {
-               reason = ERR_R_PASSED_NULL_PARAMETER;
-               goto err;
-               }
-
-       if ((pub_key = EC_POINT_point2bn(x->group, x->pub_key,
-               ECDSA_get_conversion_form(x), NULL, ctx)) == NULL)
-               {
-               reason = ERR_R_EC_LIB;
-               goto err;
-               }
-
-       buf_len = (size_t)BN_num_bytes(pub_key);
-       if (x->priv_key)
-               {
-               if ((i = (size_t)BN_num_bytes(x->priv_key)) > buf_len)
-                       buf_len = i;
-               }
-
-       buf_len += 10;
-       if ((buffer = OPENSSL_malloc(buf_len)) == NULL)
-               {
-               reason = 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->priv_key)) <= 0) goto err;
-               }
-  
-       if ((x->priv_key != NULL) && !print(bp, "priv:", x->priv_key, 
-               buffer, off))
-               goto err;
-       if ((pub_key != NULL) && !print(bp, "pub: ", pub_key,
-               buffer, off))
-               goto err;
-       if (!ECPKParameters_print(bp, x->group, off))
-               goto err;
-       ret=1;
-err:
-       if (!ret)
-               ECDSAerr(ECDSA_F_ECDSA_PRINT, reason);
-       if (pub_key) 
-               BN_free(pub_key);
-       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 ASN1_bn_print(BIO *bp, const char *number, const 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)
+       neg = (BN_is_negative(num))?"-":"";
+       if(!BIO_indent(bp,off,128))
+               return 0;
+       if (BN_is_zero(num))
                {
-               if (off > 128) off=128;
-               memset(str,' ',off);
-               if (BIO_write(bp,str,off) <= 0) return(0);
+               if (BIO_printf(bp, "%s 0\n", number) <= 0)
+                       return 0;
+               return 1;
                }
 
        if (BN_num_bytes(num) <= BN_BYTES)
@@ -538,9 +101,9 @@ static int print(BIO *bp, const char *number, BIGNUM *num, unsigned char *buf,
                        {
                        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_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);
@@ -549,160 +112,3 @@ static int print(BIO *bp, const char *number, BIGNUM *num, unsigned char *buf,
                }
        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)
-       {
-       int     reason=ERR_R_EC_LIB, ret=0;
-       BIGNUM  *order=NULL;
-       if (!x || !x->group)
-               {
-               reason = ERR_R_PASSED_NULL_PARAMETER;;
-               goto err;
-               }
-
-       if ((order = BN_new()) == NULL)
-               {
-               reason = ERR_R_MALLOC_FAILURE;
-               goto err;
-               }
-
-       if (!EC_GROUP_get_order(x->group, order, NULL))
-               {
-               reason = ERR_R_EC_LIB;
-               goto err;
-               }
-       if (BIO_printf(bp, "ECDSA-Parameters: (%d bit)\n", 
-               BN_num_bits(order)) <= 0)
-               goto err;
-       if (!ECPKParameters_print(bp, x->group, 4))
-               goto err;
-       ret=1;
-err:
-       if (order)
-               BN_free(order);
-       ECDSAerr(ECDSA_F_ECDSAPARAMETERS_PRINT, reason);
-       return(ret);
-       }
-  
-#endif