diff options
Diffstat (limited to 'ruby_1_8_6/ext/openssl/ossl_hmac.c')
| -rw-r--r-- | ruby_1_8_6/ext/openssl/ossl_hmac.c | 224 |
1 files changed, 0 insertions, 224 deletions
diff --git a/ruby_1_8_6/ext/openssl/ossl_hmac.c b/ruby_1_8_6/ext/openssl/ossl_hmac.c deleted file mode 100644 index 312343e03d..0000000000 --- a/ruby_1_8_6/ext/openssl/ossl_hmac.c +++ /dev/null @@ -1,224 +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'.) - */ -#if !defined(OPENSSL_NO_HMAC) - -#include "ossl.h" - -#define MakeHMAC(obj, klass, ctx) \ - obj = Data_Make_Struct(klass, HMAC_CTX, 0, ossl_hmac_free, ctx) -#define GetHMAC(obj, ctx) do { \ - Data_Get_Struct(obj, HMAC_CTX, ctx); \ - if (!ctx) { \ - ossl_raise(rb_eRuntimeError, "HMAC wasn't initialized"); \ - } \ -} while (0) -#define SafeGetHMAC(obj, ctx) do { \ - OSSL_Check_Kind(obj, cHMAC); \ - GetHMAC(obj, ctx); \ -} while (0) - -/* - * Classes - */ -VALUE cHMAC; -VALUE eHMACError; - -/* - * Public - */ - -/* - * Private - */ -static void -ossl_hmac_free(HMAC_CTX *ctx) -{ - HMAC_CTX_cleanup(ctx); - free(ctx); -} - -static VALUE -ossl_hmac_alloc(VALUE klass) -{ - HMAC_CTX *ctx; - VALUE obj; - - MakeHMAC(obj, klass, ctx); - HMAC_CTX_init(ctx); - - return obj; -} - -static VALUE -ossl_hmac_initialize(VALUE self, VALUE key, VALUE digest) -{ - HMAC_CTX *ctx; - - StringValue(key); - GetHMAC(self, ctx); - HMAC_Init_ex(ctx, RSTRING(key)->ptr, RSTRING(key)->len, - GetDigestPtr(digest), NULL); - - return self; -} - -static VALUE -ossl_hmac_copy(VALUE self, VALUE other) -{ - HMAC_CTX *ctx1, *ctx2; - - rb_check_frozen(self); - if (self == other) return self; - - GetHMAC(self, ctx1); - SafeGetHMAC(other, ctx2); - - if (!HMAC_CTX_copy(ctx1, ctx2)) { - ossl_raise(eHMACError, NULL); - } - return self; -} - -static VALUE -ossl_hmac_update(VALUE self, VALUE data) -{ - HMAC_CTX *ctx; - - StringValue(data); - GetHMAC(self, ctx); - HMAC_Update(ctx, RSTRING(data)->ptr, RSTRING(data)->len); - - return self; -} - -static void -hmac_final(HMAC_CTX *ctx, char **buf, int *buf_len) -{ - HMAC_CTX final; - - if (!HMAC_CTX_copy(&final, ctx)) { - ossl_raise(eHMACError, NULL); - } - if (!(*buf = OPENSSL_malloc(HMAC_size(&final)))) { - HMAC_CTX_cleanup(&final); - OSSL_Debug("Allocating %d mem", HMAC_size(&final)); - ossl_raise(eHMACError, "Cannot allocate memory for hmac"); - } - HMAC_Final(&final, *buf, buf_len); - HMAC_CTX_cleanup(&final); -} - -static VALUE -ossl_hmac_digest(VALUE self) -{ - HMAC_CTX *ctx; - char *buf; - int buf_len; - VALUE digest; - - GetHMAC(self, ctx); - hmac_final(ctx, &buf, &buf_len); - digest = ossl_buf2str(buf, buf_len); - - return digest; -} - -static VALUE -ossl_hmac_hexdigest(VALUE self) -{ - HMAC_CTX *ctx; - char *buf, *hexbuf; - int buf_len; - VALUE hexdigest; - - GetHMAC(self, ctx); - hmac_final(ctx, &buf, &buf_len); - if (string2hex(buf, buf_len, &hexbuf, NULL) != 2 * buf_len) { - OPENSSL_free(buf); - ossl_raise(eHMACError, "Memory alloc error"); - } - OPENSSL_free(buf); - hexdigest = ossl_buf2str(hexbuf, 2 * buf_len); - - return hexdigest; -} - -static VALUE -ossl_hmac_s_digest(VALUE klass, VALUE digest, VALUE key, VALUE data) -{ - char *buf; - int buf_len; - - StringValue(key); - StringValue(data); - buf = HMAC(GetDigestPtr(digest), RSTRING(key)->ptr, RSTRING(key)->len, - RSTRING(data)->ptr, RSTRING(data)->len, NULL, &buf_len); - - return rb_str_new(buf, buf_len); -} - -static VALUE -ossl_hmac_s_hexdigest(VALUE klass, VALUE digest, VALUE key, VALUE data) -{ - char *buf, *hexbuf; - int buf_len; - VALUE hexdigest; - - StringValue(key); - StringValue(data); - - buf = HMAC(GetDigestPtr(digest), RSTRING(key)->ptr, RSTRING(key)->len, - RSTRING(data)->ptr, RSTRING(data)->len, NULL, &buf_len); - if (string2hex(buf, buf_len, &hexbuf, NULL) != 2 * buf_len) { - ossl_raise(eHMACError, "Cannot convert buf to hexbuf"); - } - hexdigest = ossl_buf2str(hexbuf, 2 * buf_len); - - return hexdigest; -} - -/* - * INIT - */ -void -Init_ossl_hmac() -{ -#if 0 /* let rdoc know about mOSSL */ - mOSSL = rb_define_module("OpenSSL"); -#endif - - eHMACError = rb_define_class_under(mOSSL, "HMACError", eOSSLError); - - cHMAC = rb_define_class_under(mOSSL, "HMAC", rb_cObject); - - rb_define_alloc_func(cHMAC, ossl_hmac_alloc); - rb_define_singleton_method(cHMAC, "digest", ossl_hmac_s_digest, 3); - rb_define_singleton_method(cHMAC, "hexdigest", ossl_hmac_s_hexdigest, 3); - - rb_define_method(cHMAC, "initialize", ossl_hmac_initialize, 2); - rb_define_copy_func(cHMAC, ossl_hmac_copy); - - rb_define_method(cHMAC, "update", ossl_hmac_update, 1); - rb_define_alias(cHMAC, "<<", "update"); - rb_define_method(cHMAC, "digest", ossl_hmac_digest, 0); - rb_define_method(cHMAC, "hexdigest", ossl_hmac_hexdigest, 0); - rb_define_alias(cHMAC, "inspect", "hexdigest"); - rb_define_alias(cHMAC, "to_s", "hexdigest"); -} - -#else /* NO_HMAC */ -# warning >>> OpenSSL is compiled without HMAC support <<< -void -Init_ossl_hmac() -{ - rb_warning("HMAC will NOT be avaible: OpenSSL is compiled without HMAC."); -} -#endif /* NO_HMAC */ |