diff options
Diffstat (limited to 'trunk/ext/openssl/ossl_digest.c')
| -rw-r--r-- | trunk/ext/openssl/ossl_digest.c | 258 |
1 files changed, 0 insertions, 258 deletions
diff --git a/trunk/ext/openssl/ossl_digest.c b/trunk/ext/openssl/ossl_digest.c deleted file mode 100644 index ecd52fec9c..0000000000 --- a/trunk/ext/openssl/ossl_digest.c +++ /dev/null @@ -1,258 +0,0 @@ -/* - * $Id$ - * 'OpenSSL for Ruby' project - * Copyright (C) 2001-2002 Michal Rokos <m.rokos@sh.cvut.cz> - * All rights reserved. - */ -/* - * This program is licenced under the same licence as Ruby. - * (See the file 'LICENCE'.) - */ -#include "ossl.h" - -#define GetDigest(obj, ctx) do { \ - Data_Get_Struct(obj, EVP_MD_CTX, ctx); \ - if (!ctx) { \ - ossl_raise(rb_eRuntimeError, "Digest CTX wasn't initialized!"); \ - } \ -} while (0) -#define SafeGetDigest(obj, ctx) do { \ - OSSL_Check_Kind(obj, cDigest); \ - GetDigest(obj, ctx); \ -} while (0) - -/* - * Classes - */ -VALUE cDigest; -VALUE eDigestError; - -static VALUE ossl_digest_alloc(VALUE klass); - -/* - * Public - */ -const EVP_MD * -GetDigestPtr(VALUE obj) -{ - const EVP_MD *md; - - if (TYPE(obj) == T_STRING) { - const char *name = STR2CSTR(obj); - - md = EVP_get_digestbyname(name); - if (!md) - ossl_raise(rb_eRuntimeError, "Unsupported digest algorithm (%s).", name); - } else { - EVP_MD_CTX *ctx; - - SafeGetDigest(obj, ctx); - - md = EVP_MD_CTX_md(ctx); - } - - return md; -} - -VALUE -ossl_digest_new(const EVP_MD *md) -{ - VALUE ret; - EVP_MD_CTX *ctx; - - ret = ossl_digest_alloc(cDigest); - GetDigest(ret, ctx); - EVP_DigestInit_ex(ctx, md, NULL); - - return ret; -} - -/* - * Private - */ -static VALUE -ossl_digest_alloc(VALUE klass) -{ - EVP_MD_CTX *ctx; - VALUE obj; - - ctx = EVP_MD_CTX_create(); - if (ctx == NULL) - ossl_raise(rb_eRuntimeError, "EVP_MD_CTX_create() failed"); - obj = Data_Wrap_Struct(klass, 0, EVP_MD_CTX_destroy, ctx); - - return obj; -} - -VALUE ossl_digest_update(VALUE, VALUE); - -/* - * call-seq: - * Digest.new(string) -> digest - * - */ -static VALUE -ossl_digest_initialize(int argc, VALUE *argv, VALUE self) -{ - EVP_MD_CTX *ctx; - const EVP_MD *md; - VALUE type, data; - - rb_scan_args(argc, argv, "11", &type, &data); - md = GetDigestPtr(type); - if (!NIL_P(data)) StringValue(data); - - GetDigest(self, ctx); - EVP_DigestInit_ex(ctx, md, NULL); - - if (!NIL_P(data)) return ossl_digest_update(self, data); - return self; -} - -static VALUE -ossl_digest_copy(VALUE self, VALUE other) -{ - EVP_MD_CTX *ctx1, *ctx2; - - rb_check_frozen(self); - if (self == other) return self; - - GetDigest(self, ctx1); - SafeGetDigest(other, ctx2); - - if (!EVP_MD_CTX_copy(ctx1, ctx2)) { - ossl_raise(eDigestError, NULL); - } - return self; -} - -/* - * call-seq: - * digest.reset -> self - * - */ -static VALUE -ossl_digest_reset(VALUE self) -{ - EVP_MD_CTX *ctx; - - GetDigest(self, ctx); - EVP_DigestInit_ex(ctx, EVP_MD_CTX_md(ctx), NULL); - - return self; -} - -/* - * call-seq: - * digest.update(string) -> aString - * - */ -VALUE -ossl_digest_update(VALUE self, VALUE data) -{ - EVP_MD_CTX *ctx; - - StringValue(data); - GetDigest(self, ctx); - EVP_DigestUpdate(ctx, RSTRING_PTR(data), RSTRING_LEN(data)); - - return self; -} - -/* - * call-seq: - * digest.finish -> aString - * - */ -static VALUE -ossl_digest_finish(int argc, VALUE *argv, VALUE self) -{ - EVP_MD_CTX *ctx; - VALUE str; - - rb_scan_args(argc, argv, "01", &str); - - GetDigest(self, ctx); - - if (NIL_P(str)) { - str = rb_str_new(NULL, EVP_MD_CTX_size(ctx)); - } else { - StringValue(str); - rb_str_resize(str, EVP_MD_CTX_size(ctx)); - } - - EVP_DigestFinal_ex(ctx, (unsigned char *)RSTRING_PTR(str), NULL); - - return str; -} - -/* - * call-seq: - * digest.name -> string - * - */ -static VALUE -ossl_digest_name(VALUE self) -{ - EVP_MD_CTX *ctx; - - GetDigest(self, ctx); - - return rb_str_new2(EVP_MD_name(EVP_MD_CTX_md(ctx))); -} - -/* - * call-seq: - * digest.digest_size -> integer - * - * Returns the output size of the digest. - */ -static VALUE -ossl_digest_size(VALUE self) -{ - EVP_MD_CTX *ctx; - - GetDigest(self, ctx); - - return INT2NUM(EVP_MD_CTX_size(ctx)); -} - -static VALUE -ossl_digest_block_length(VALUE self) -{ - EVP_MD_CTX *ctx; - - GetDigest(self, ctx); - - return INT2NUM(EVP_MD_CTX_block_size(ctx)); -} - -/* - * INIT - */ -void -Init_ossl_digest() -{ - rb_require("openssl"); - rb_require("digest"); - -#if 0 /* let rdoc know about mOSSL */ - mOSSL = rb_define_module("OpenSSL"); -#endif - - cDigest = rb_define_class_under(mOSSL, "Digest", rb_path2class("Digest::Class")); - eDigestError = rb_define_class_under(cDigest, "DigestError", eOSSLError); - - rb_define_alloc_func(cDigest, ossl_digest_alloc); - - rb_define_method(cDigest, "initialize", ossl_digest_initialize, -1); - rb_define_copy_func(cDigest, ossl_digest_copy); - rb_define_method(cDigest, "reset", ossl_digest_reset, 0); - rb_define_method(cDigest, "update", ossl_digest_update, 1); - rb_define_alias(cDigest, "<<", "update"); - rb_define_private_method(cDigest, "finish", ossl_digest_finish, -1); - rb_define_method(cDigest, "digest_length", ossl_digest_size, 0); - rb_define_method(cDigest, "block_length", ossl_digest_block_length, 0); - - rb_define_method(cDigest, "name", ossl_digest_name, 0); -} |