diff options
author | Dr. Stephen Henson <steve@openssl.org> | 2006-03-22 13:34:19 +0000 |
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committer | Dr. Stephen Henson <steve@openssl.org> | 2006-03-22 13:34:19 +0000 |
commit | 1b593194bed99926068d03d46d16d0659b6eba58 (patch) | |
tree | 550167347937f8eaa13d46167726b427250b63df /crypto/ec/ec_ameth.c | |
parent | 35208f368ceb7814ad93688657bfa05ff2b548ec (diff) | |
download | openssl-1b593194bed99926068d03d46d16d0659b6eba58.tar.gz |
Move algorithm specific print code from crypto/asn1/t_pkey.c to separate
*_prn.c files in each algorithm directory.
Diffstat (limited to 'crypto/ec/ec_ameth.c')
-rw-r--r-- | crypto/ec/ec_ameth.c | 249 |
1 files changed, 0 insertions, 249 deletions
diff --git a/crypto/ec/ec_ameth.c b/crypto/ec/ec_ameth.c index 96491d990a..98003b1b0e 100644 --- a/crypto/ec/ec_ameth.c +++ b/crypto/ec/ec_ameth.c @@ -561,252 +561,3 @@ EVP_PKEY_ASN1_METHOD eckey_asn1_meth = int_ec_free, 0 }; - -static int print_bin(BIO *fp, const char *str, const unsigned char *num, - size_t len, int off); - -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) && !ASN1_bn_print(bp, "Polynomial:", p, buffer, - off)) - goto err; - } - else - { - if ((p != NULL) && !ASN1_bn_print(bp, "Prime:", p, buffer,off)) - goto err; - } - if ((a != NULL) && !ASN1_bn_print(bp, "A: ", a, buffer, off)) - goto err; - if ((b != NULL) && !ASN1_bn_print(bp, "B: ", b, buffer, off)) - goto err; - if (form == POINT_CONVERSION_COMPRESSED) - { - if ((gen != NULL) && !ASN1_bn_print(bp, gen_compressed, gen, - buffer, off)) - goto err; - } - else if (form == POINT_CONVERSION_UNCOMPRESSED) - { - if ((gen != NULL) && !ASN1_bn_print(bp, gen_uncompressed, gen, - buffer, off)) - goto err; - } - else /* form == POINT_CONVERSION_HYBRID */ - { - if ((gen != NULL) && !ASN1_bn_print(bp, gen_hybrid, gen, - buffer, off)) - goto err; - } - if ((order != NULL) && !ASN1_bn_print(bp, "Order: ", order, - buffer, off)) goto err; - if ((cofactor != NULL) && !ASN1_bn_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); - } - -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; - } |