X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=crypto%2Fasn1%2Ft_pkey.c;h=0112f7cced53ef10d3ee63db3854652d87119e45;hb=12f27bd414fbdba8fd6fbda2d3510a6ee718df74;hp=fb01e38d79db701016a5b5263e93a19c12a241f5;hpb=14a7cfb32a0347a4bc620ae1b552b21c4c1e270b;p=oweals%2Fopenssl.git diff --git a/crypto/asn1/t_pkey.c b/crypto/asn1/t_pkey.c index fb01e38d79..0112f7cced 100644 --- a/crypto/asn1/t_pkey.c +++ b/crypto/asn1/t_pkey.c @@ -55,6 +55,11 @@ * copied and put under another distribution licence * [including the GNU Public Licence.] */ +/* ==================================================================== + * Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED. + * Binary polynomial ECC support in OpenSSL originally developed by + * SUN MICROSYSTEMS, INC., and contributed to the OpenSSL project. + */ #include #include "cryptlib.h" @@ -76,6 +81,8 @@ static int print(BIO *fp,const char *str,BIGNUM *num, unsigned char *buf,int off); +static int print_bin(BIO *fp, const char *str, const unsigned char *num, + size_t len, int off); #ifndef OPENSSL_NO_RSA #ifndef OPENSSL_NO_FP_API int RSA_print_fp(FILE *fp, const RSA *x, int off) @@ -284,7 +291,9 @@ int ECPKParameters_print(BIO *bp, const EC_GROUP *x, int off) BN_CTX *ctx=NULL; EC_POINT *point=NULL; BIGNUM *p=NULL, *a=NULL, *b=NULL, *gen=NULL, - *order=NULL, *cofactor=NULL, *seed=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):"; @@ -322,8 +331,12 @@ int ECPKParameters_print(BIO *bp, const EC_GROUP *x, int off) else { /* explicit parameters */ - /* TODO */ + 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 || @@ -333,10 +346,21 @@ int ECPKParameters_print(BIO *bp, const EC_GROUP *x, int off) goto err; } - if (!EC_GROUP_get_curve_GFp(x, p, a, b, ctx)) + if (is_char_two) { - reason = ERR_R_EC_LIB; - goto err; + 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) @@ -372,18 +396,8 @@ int ECPKParameters_print(BIO *bp, const EC_GROUP *x, int off) 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; - } + 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) @@ -395,10 +409,43 @@ int ECPKParameters_print(BIO *bp, const EC_GROUP *x, int off) { if (off > 128) off=128; memset(str,' ',off); + if (BIO_write(bp, str, off) <= 0) + 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 (off) + { + if (off > 128) off=128; + memset(str,' ',off); + if (BIO_write(bp, str, off) <= 0) + 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 ((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)) @@ -425,8 +472,8 @@ int ECPKParameters_print(BIO *bp, const EC_GROUP *x, int off) 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; + if (seed && !print_bin(bp, "Seed:", seed, seed_len, off)) + goto err; } ret=1; err: @@ -444,8 +491,6 @@ err: BN_free(order); if (cofactor) BN_free(cofactor); - if (seed) - BN_free(seed); if (ctx) BN_CTX_free(ctx); if (buffer != NULL) @@ -538,6 +583,13 @@ static int print(BIO *bp, const char *number, BIGNUM *num, unsigned char *buf, if (BIO_write(bp,str,off) <= 0) 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, @@ -572,6 +624,44 @@ static int print(BIO *bp, const char *number, BIGNUM *num, unsigned char *buf, return(1); } +static int print_bin(BIO *fp, const char *name, const unsigned char *buf, + size_t len, int off) + { + int 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