Ruby 1.9.3p327(2012-11-10revision37606)
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00001 /* $RoughId: sha1init.c,v 1.2 2001/07/13 19:49:10 knu Exp $ */ 00002 /* $Id: sha1init.c 27437 2010-04-22 08:04:13Z nobu $ */ 00003 00004 #include "digest.h" 00005 #if defined(HAVE_OPENSSL_SHA_H) 00006 #include "sha1ossl.h" 00007 #else 00008 #include "sha1.h" 00009 #endif 00010 00011 static const rb_digest_metadata_t sha1 = { 00012 RUBY_DIGEST_API_VERSION, 00013 SHA1_DIGEST_LENGTH, 00014 SHA1_BLOCK_LENGTH, 00015 sizeof(SHA1_CTX), 00016 (rb_digest_hash_init_func_t)SHA1_Init, 00017 (rb_digest_hash_update_func_t)SHA1_Update, 00018 (rb_digest_hash_finish_func_t)SHA1_Finish, 00019 }; 00020 00021 /* 00022 * A class for calculating message digests using the SHA-1 Secure Hash 00023 * Algorithm by NIST (the US' National Institute of Standards and 00024 * Technology), described in FIPS PUB 180-1. 00025 */ 00026 void 00027 Init_sha1() 00028 { 00029 VALUE mDigest, cDigest_Base, cDigest_SHA1; 00030 00031 rb_require("digest"); 00032 00033 mDigest = rb_path2class("Digest"); 00034 cDigest_Base = rb_path2class("Digest::Base"); 00035 00036 cDigest_SHA1 = rb_define_class_under(mDigest, "SHA1", cDigest_Base); 00037 00038 rb_ivar_set(cDigest_SHA1, rb_intern("metadata"), 00039 Data_Wrap_Struct(rb_cObject, 0, 0, (void *)&sha1)); 00040 } 00041