Gather printing routines into EVP_PKEY_ASN1_METHOD.
[openssl.git] / crypto / asn1 / t_pkey.c
index e53c1294e9ee4c895466f32b315cd52b2fd421f8..4586dcc4f9582a4e1c0251b4e17e290ea7561239 100644 (file)
@@ -66,6 +66,7 @@
 #include <openssl/objects.h>
 #include <openssl/buffer.h>
 #include <openssl/bn.h>
+#include <openssl/evp.h>
 #ifndef OPENSSL_NO_RSA
 #include <openssl/rsa.h>
 #endif
 #include <openssl/ec.h>
 #endif
 
-static int print(BIO *fp,const char *str, const BIGNUM *num,
-               unsigned char *buf,int off);
-#ifndef OPENSSL_NO_EC
-static int print_bin(BIO *fp, const char *str, const unsigned char *num,
-               size_t len, int off);
-#endif
 #ifndef OPENSSL_NO_RSA
 #ifndef OPENSSL_NO_FP_API
 int RSA_print_fp(FILE *fp, const RSA *x, int off)
@@ -106,79 +101,16 @@ int RSA_print_fp(FILE *fp, const RSA *x, int off)
 
 int RSA_print(BIO *bp, const RSA *x, int off)
        {
-       char str[128];
-       const char *s;
-       unsigned char *m=NULL;
-       int ret=0, mod_len = 0;
-       size_t buf_len=0, i;
-
-       if (x->n)
-               buf_len = (size_t)BN_num_bytes(x->n);
-       if (x->e)
-               if (buf_len < (i = (size_t)BN_num_bytes(x->e)))
-                       buf_len = i;
-       if (x->d)
-               if (buf_len < (i = (size_t)BN_num_bytes(x->d)))
-                       buf_len = i;
-       if (x->p)
-               if (buf_len < (i = (size_t)BN_num_bytes(x->p)))
-                       buf_len = i;
-       if (x->q)
-               if (buf_len < (i = (size_t)BN_num_bytes(x->q)))
-                       buf_len = i;
-       if (x->dmp1)
-               if (buf_len < (i = (size_t)BN_num_bytes(x->dmp1)))
-                       buf_len = i;
-       if (x->dmq1)
-               if (buf_len < (i = (size_t)BN_num_bytes(x->dmq1)))
-                       buf_len = i;
-       if (x->iqmp)
-               if (buf_len < (i = (size_t)BN_num_bytes(x->iqmp)))
-                       buf_len = i;
-
-       m=(unsigned char *)OPENSSL_malloc(buf_len+10);
-       if (m == NULL)
-               {
-               RSAerr(RSA_F_RSA_PRINT,ERR_R_MALLOC_FAILURE);
-               goto err;
-               }
-
-       if (x->n != NULL)
-               mod_len = BN_num_bits(x->n);
-
-       if (x->d != NULL)
-               {
-               if(!BIO_indent(bp,off,128))
-                  goto err;
-               if (BIO_printf(bp,"Private-Key: (%d bit)\n", mod_len)
-                       <= 0) goto err;
-               }
-
-       if (x->d == NULL)
-               BIO_snprintf(str,sizeof str,"Modulus (%d bit):", mod_len);
-       else
-               BUF_strlcpy(str,"modulus:",sizeof str);
-       if (!print(bp,str,x->n,m,off)) goto err;
-       s=(x->d == NULL)?"Exponent:":"publicExponent:";
-       if ((x->e != NULL) && !print(bp,s,x->e,m,off))
-               goto err;
-       if ((x->d != NULL) && !print(bp,"privateExponent:",x->d,m,off))
-               goto err;
-       if ((x->p != NULL) && !print(bp,"prime1:",x->p,m,off))
-               goto err;
-       if ((x->q != NULL) && !print(bp,"prime2:",x->q,m,off))
-               goto err;
-       if ((x->dmp1 != NULL) && !print(bp,"exponent1:",x->dmp1,m,off))
-               goto err;
-       if ((x->dmq1 != NULL) && !print(bp,"exponent2:",x->dmq1,m,off))
-               goto err;
-       if ((x->iqmp != NULL) && !print(bp,"coefficient:",x->iqmp,m,off))
-               goto err;
-       ret=1;
-err:
-       if (m != NULL) OPENSSL_free(m);
-       return(ret);
+       EVP_PKEY *pk;
+       int ret;
+       pk = EVP_PKEY_new();
+       if (!pk || !EVP_PKEY_set1_RSA(pk, (RSA *)x))
+               return 0;
+       ret = EVP_PKEY_print_private(bp, pk, off, NULL);
+       EVP_PKEY_free(pk);
+       return ret;
        }
+
 #endif /* OPENSSL_NO_RSA */
 
 #ifndef OPENSSL_NO_DSA
@@ -202,57 +134,16 @@ int DSA_print_fp(FILE *fp, const DSA *x, int off)
 
 int DSA_print(BIO *bp, const DSA *x, int off)
        {
-       unsigned char *m=NULL;
-       int ret=0;
-       size_t buf_len=0,i;
-
-       if (x->p)
-               buf_len = (size_t)BN_num_bytes(x->p);
-       else
-               {
-               DSAerr(DSA_F_DSA_PRINT,DSA_R_MISSING_PARAMETERS);
-               goto err;
-               }
-       if (x->q)
-               if (buf_len < (i = (size_t)BN_num_bytes(x->q)))
-                       buf_len = i;
-       if (x->g)
-               if (buf_len < (i = (size_t)BN_num_bytes(x->g)))
-                       buf_len = i;
-       if (x->priv_key)
-               if (buf_len < (i = (size_t)BN_num_bytes(x->priv_key)))
-                       buf_len = i;
-       if (x->pub_key)
-               if (buf_len < (i = (size_t)BN_num_bytes(x->pub_key)))
-                       buf_len = i;
-
-       m=(unsigned char *)OPENSSL_malloc(buf_len+10);
-       if (m == NULL)
-               {
-               DSAerr(DSA_F_DSA_PRINT,ERR_R_MALLOC_FAILURE);
-               goto err;
-               }
-
-       if (x->priv_key != NULL)
-               {
-               if(!BIO_indent(bp,off,128))
-                  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);
+       EVP_PKEY *pk;
+       int ret;
+       pk = EVP_PKEY_new();
+       if (!pk || !EVP_PKEY_set1_DSA(pk, (DSA *)x))
+               return 0;
+       ret = EVP_PKEY_print_private(bp, pk, off, NULL);
+       EVP_PKEY_free(pk);
+       return ret;
        }
+
 #endif /* !OPENSSL_NO_DSA */
 
 #ifndef OPENSSL_NO_EC
@@ -290,299 +181,22 @@ int EC_KEY_print_fp(FILE *fp, const EC_KEY *x, int off)
        }
 #endif
 
-int ECPKParameters_print(BIO *bp, const EC_GROUP *x, int off)
-       {
-       unsigned char *buffer=NULL;
-       size_t  buf_len=0, i;
-       int     ret=0, reason=ERR_R_BIO_LIB;
-       BN_CTX  *ctx=NULL;
-       const EC_POINT *point=NULL;
-       BIGNUM  *p=NULL, *a=NULL, *b=NULL, *gen=NULL,
-               *order=NULL, *cofactor=NULL;
-       const unsigned char *seed;
-       size_t  seed_len=0;
-       
-       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;
-               }
-
-       ctx = BN_CTX_new();
-       if (ctx == NULL)
-               {
-               reason = ERR_R_MALLOC_FAILURE;
-               goto err;
-               }
-
-       if (EC_GROUP_get_asn1_flag(x))
-               {
-               /* the curve parameter are given by an asn1 OID */
-               int nid;
-
-               if (!BIO_indent(bp, off, 128))
-                       goto err;
-
-               nid = EC_GROUP_get_curve_name(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 */
-               int is_char_two = 0;
-               point_conversion_form_t form;
-               int tmp_nid = EC_METHOD_get_field_type(EC_GROUP_method_of(x));
-
-               if (tmp_nid == NID_X9_62_characteristic_two_field)
-                       is_char_two = 1;
-
-               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 (is_char_two)
-                       {
-                       if (!EC_GROUP_get_curve_GF2m(x, p, a, b, ctx))
-                               {
-                               reason = ERR_R_EC_LIB;
-                               goto err;
-                               }
-                       }
-               else /* prime field */
-                       {
-                       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 ((seed = EC_GROUP_get0_seed(x)) != NULL)
-                       seed_len = EC_GROUP_get_seed_len(x);
-
-               buf_len += 10;
-               if ((buffer = OPENSSL_malloc(buf_len)) == NULL)
-                       {
-                       reason = ERR_R_MALLOC_FAILURE;
-                       goto err;
-                       }
-
-               if (!BIO_indent(bp, off, 128))
-                       goto err;
-
-               /* print the 'short name' of the field type */
-               if (BIO_printf(bp, "Field Type: %s\n", OBJ_nid2sn(tmp_nid))
-                       <= 0)
-                       goto err;  
-
-               if (is_char_two)
-                       {
-                       /* print the 'short name' of the base type OID */
-                       int basis_type = EC_GROUP_get_basis_type(x);
-                       if (basis_type == 0)
-                               goto err;
-
-                       if (!BIO_indent(bp, off, 128))
-                               goto err;
-
-                       if (BIO_printf(bp, "Basis Type: %s\n", 
-                               OBJ_nid2sn(basis_type)) <= 0)
-                               goto err;
-
-                       /* print the polynomial */
-                       if ((p != NULL) && !print(bp, "Polynomial:", p, buffer,
-                               off))
-                               goto err;
-                       }
-               else
-                       {
-                       if ((p != NULL) && !print(bp, "Prime:", 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 && !print_bin(bp, "Seed:", seed, seed_len, 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 (ctx)
-               BN_CTX_free(ctx);
-       if (buffer != NULL) 
-               OPENSSL_free(buffer);
-       return(ret);    
-       }
-
 int EC_KEY_print(BIO *bp, const EC_KEY *x, int off)
        {
-       unsigned char *buffer=NULL;
-       size_t  buf_len=0, i;
-       int     ret=0, reason=ERR_R_BIO_LIB;
-       BIGNUM  *pub_key=NULL, *order=NULL;
-       BN_CTX  *ctx=NULL;
-       const EC_GROUP *group;
-       const EC_POINT *public_key;
-       const BIGNUM *priv_key;
-       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;
-               }
-
-       public_key = EC_KEY_get0_public_key(x);
-       if ((pub_key = EC_POINT_point2bn(group, public_key,
-               EC_KEY_get_conv_form(x), NULL, ctx)) == NULL)
-               {
-               reason = ERR_R_EC_LIB;
-               goto err;
-               }
-
-       buf_len = (size_t)BN_num_bytes(pub_key);
-       priv_key = EC_KEY_get0_private_key(x);
-       if (priv_key != NULL)
-               {
-               if ((i = (size_t)BN_num_bytes(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 (priv_key != NULL)
-               {
-               if (!BIO_indent(bp, off, 128))
-                       goto err;
-               if ((order = BN_new()) == NULL)
-                       goto err;
-               if (!EC_GROUP_get_order(group, order, NULL))
-                       goto err;
-               if (BIO_printf(bp, "Private-Key: (%d bit)\n", 
-                       BN_num_bits(order)) <= 0) goto err;
-               }
-  
-       if ((priv_key != NULL) && !print(bp, "priv:", priv_key, 
-               buffer, off))
-               goto err;
-       if ((pub_key != NULL) && !print(bp, "pub: ", pub_key,
-               buffer, off))
-               goto err;
-       if (!ECPKParameters_print(bp, group, off))
-               goto err;
-       ret=1;
-err:
-       if (!ret)
-               ECerr(EC_F_EC_KEY_PRINT, reason);
-       if (pub_key) 
-               BN_free(pub_key);
-       if (order)
-               BN_free(order);
-       if (ctx)
-               BN_CTX_free(ctx);
-       if (buffer != NULL)
-               OPENSSL_free(buffer);
-       return(ret);
+       EVP_PKEY *pk;
+       int ret;
+       pk = EVP_PKEY_new();
+       if (!pk || !EVP_PKEY_set1_EC_KEY(pk, (EC_KEY *)x))
+               return 0;
+       ret = EVP_PKEY_print_private(bp, pk, off, NULL);
+       EVP_PKEY_free(pk);
+       return ret;
        }
+
 #endif /* OPENSSL_NO_EC */
 
-static int print(BIO *bp, const char *number, const 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;
        const char *neg;
@@ -632,46 +246,6 @@ static int print(BIO *bp, const char *number, const BIGNUM *num, unsigned char *
        return(1);
        }
 
-#ifndef OPENSSL_NO_EC
-static int print_bin(BIO *fp, const char *name, const unsigned char *buf,
-               size_t len, int off)
-       {
-       size_t i;
-       char str[128];
-
-       if (buf == NULL)
-               return 1;
-       if (off)
-               {
-               if (off > 128)
-                       off=128;
-               memset(str,' ',off);
-               if (BIO_write(fp, str, off) <= 0)
-                       return 0;
-               }
-
-       if (BIO_printf(fp,"%s", name) <= 0)
-               return 0;
-
-       for (i=0; i<len; i++)
-               {
-               if ((i%15) == 0)
-                       {
-                       str[0]='\n';
-                       memset(&(str[1]),' ',off+4);
-                       if (BIO_write(fp, str, off+1+4) <= 0)
-                               return 0;
-                       }
-               if (BIO_printf(fp,"%02x%s",buf[i],((i+1) == len)?"":":") <= 0)
-                       return 0;
-               }
-       if (BIO_write(fp,"\n",1) <= 0)
-               return 0;
-
-       return 1;
-       }
-#endif
-
 #ifndef OPENSSL_NO_DH
 #ifndef OPENSSL_NO_FP_API
 int DHparams_print_fp(FILE *fp, const DH *x)
@@ -717,8 +291,8 @@ int DHparams_print(BIO *bp, const DH *x)
        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 (!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",
@@ -756,40 +330,14 @@ int DSAparams_print_fp(FILE *fp, const DSA *x)
 
 int DSAparams_print(BIO *bp, const DSA *x)
        {
-       unsigned char *m=NULL;
-       int ret=0;
-       size_t buf_len=0,i;
-
-       if (x->p)
-               buf_len = (size_t)BN_num_bytes(x->p);
-       else
-               {
-               DSAerr(DSA_F_DSAPARAMS_PRINT,DSA_R_MISSING_PARAMETERS);
-               goto err;
-               }
-       if (x->q)
-               if (buf_len < (i = (size_t)BN_num_bytes(x->q)))
-                       buf_len = i;
-       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)
-               {
-               DSAerr(DSA_F_DSAPARAMS_PRINT,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 ((x->q != NULL) && !print(bp,"q:",x->q,m,4)) goto err;
-       if ((x->g != NULL) && !print(bp,"g:",x->g,m,4)) goto err;
-       ret=1;
-err:
-       if (m != NULL) OPENSSL_free(m);
-       return(ret);
+       EVP_PKEY *pk;
+       int ret;
+       pk = EVP_PKEY_new();
+       if (!pk || !EVP_PKEY_set1_DSA(pk, (DSA *)x))
+               return 0;
+       ret = EVP_PKEY_print_params(bp, pk, 4, NULL);
+       EVP_PKEY_free(pk);
+       return ret;
        }
 
 #endif /* !OPENSSL_NO_DSA */
@@ -815,39 +363,14 @@ int ECParameters_print_fp(FILE *fp, const EC_KEY *x)
 
 int ECParameters_print(BIO *bp, const EC_KEY *x)
        {
-       int     reason=ERR_R_EC_LIB, ret=0;
-       BIGNUM  *order=NULL;
-       const EC_GROUP *group;
-       if (x == NULL || (group = EC_KEY_get0_group(x)) == NULL)
-               {
-               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(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, group, 4))
-               goto err;
-       ret=1;
-err:
-       if (order)
-               BN_free(order);
-       ECerr(EC_F_ECPARAMETERS_PRINT, reason);
-       return(ret);
+       EVP_PKEY *pk;
+       int ret;
+       pk = EVP_PKEY_new();
+       if (!pk || !EVP_PKEY_set1_EC_KEY(pk, (EC_KEY *)x))
+               return 0;
+       ret = EVP_PKEY_print_params(bp, pk, 4, NULL);
+       EVP_PKEY_free(pk);
+       return ret;
        }
-  
+
 #endif