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; }
static int ecx_key_print(BIO *bp, const EVP_PKEY *pkey, int indent, ASN1_PCTX *ctx, ecx_key_op_t op) { const ECX_KEY *ecxkey = pkey->pkey.ecx; const char *nm = OBJ_nid2ln(pkey->ameth->pkey_id); if (op == KEY_OP_PRIVATE) { if (ecxkey == NULL || ecxkey->privkey == NULL) { if (BIO_printf(bp, "%*s<INVALID PRIVATE KEY>\n", indent, "") <= 0) return 0; return 1; } if (BIO_printf(bp, "%*s%s Private-Key:\n", indent, "", nm) <= 0) return 0; if (BIO_printf(bp, "%*spriv:\n", indent, "") <= 0) return 0; if (ASN1_buf_print(bp, ecxkey->privkey, KEYLEN(pkey), indent + 4) == 0) return 0; } else { if (ecxkey == NULL) { if (BIO_printf(bp, "%*s<INVALID PUBLIC KEY>\n", indent, "") <= 0) return 0; return 1; } if (BIO_printf(bp, "%*s%s Public-Key:\n", indent, "", nm) <= 0) return 0; } if (BIO_printf(bp, "%*spub:\n", indent, "") <= 0) return 0; if (ASN1_buf_print(bp, ecxkey->pubkey, KEYLEN(pkey), indent + 4) == 0) return 0; return 1; }
static int do_EC_KEY_print(BIO *bp, const EC_KEY *x, int off, ec_print_t ktype) { const char *ecstr; unsigned char *priv = NULL, *pub = NULL; size_t privlen = 0, publen = 0; int ret = 0; const EC_GROUP *group; if (x == NULL || (group = EC_KEY_get0_group(x)) == NULL) { ECerr(EC_F_DO_EC_KEY_PRINT, ERR_R_PASSED_NULL_PARAMETER); return 0; } if (ktype != EC_KEY_PRINT_PARAM && EC_KEY_get0_public_key(x) != NULL) { publen = EC_KEY_key2buf(x, EC_KEY_get_conv_form(x), &pub, NULL); if (publen == 0) goto err; } if (ktype == EC_KEY_PRINT_PRIVATE && EC_KEY_get0_private_key(x) != NULL) { privlen = EC_KEY_priv2buf(x, &priv); if (privlen == 0) goto err; } if (ktype == EC_KEY_PRINT_PRIVATE) ecstr = "Private-Key"; else if (ktype == EC_KEY_PRINT_PUBLIC) ecstr = "Public-Key"; else ecstr = "ECDSA-Parameters"; if (!BIO_indent(bp, off, 128)) goto err; if (BIO_printf(bp, "%s: (%d bit)\n", ecstr, EC_GROUP_order_bits(group)) <= 0) goto err; if (privlen != 0) { if (BIO_printf(bp, "%*spriv:\n", off, "") <= 0) goto err; if (ASN1_buf_print(bp, priv, privlen, off + 4) == 0) goto err; } if (publen != 0) { if (BIO_printf(bp, "%*spub:\n", off, "") <= 0) goto err; if (ASN1_buf_print(bp, pub, publen, off + 4) == 0) goto err; } if (!ECPKParameters_print(bp, group, off)) goto err; ret = 1; err: if (!ret) ECerr(EC_F_DO_EC_KEY_PRINT, ERR_R_EC_LIB); OPENSSL_clear_free(priv, privlen); OPENSSL_free(pub); return ret; }