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md5ossl.c: indicate the result

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* ext/digest/md5/md5ossl.c: use OpenSSL EVP API instead of MD5 API
  to perform MD5 hashes using OpenSSL in ext/digest.
  [ruby-core:61614] [Bug #9659]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@46828 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
nobu 2014-07-15 14:59:32 +00:00
parent aadebb29da
commit 2d33fc97a3
3 changed files with 30 additions and 7 deletions
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6
ChangeLog
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@ -1,4 +1,8 @@
Tue Jul 15 23:59:27 2014 Jared Jennings <jared.jennings.ctr@us.af.mil>
Tue Jul 15 23:59:39 2014 Jared Jennings <jared.jennings.ctr@us.af.mil>
* ext/digest/md5/md5ossl.c: use OpenSSL EVP API instead of MD5 API
to perform MD5 hashes using OpenSSL in ext/digest.
[ruby-core:61614] [Bug #9659]
* ext/digest: make built-in digest function implementations
indicate success or failure of init and final functions.

13
ext/digest/md5/md5ossl.c
View file

@ -2,8 +2,15 @@
#include "md5ossl.h"
void
MD5_Finish(MD5_CTX *pctx, unsigned char *digest)
int
rb_digest_md5osslevp_Init(EVP_MD_CTX *pctx)
{
MD5_Final(digest, pctx);
return EVP_DigestInit_ex(pctx, EVP_md5(), NULL);
}
int
rb_digest_md5osslevp_Finish(EVP_MD_CTX *pctx, unsigned char *digest)
{
/* if EVP_DigestFinal_ex fails, we ignore that */
return EVP_DigestFinal_ex(pctx, digest, NULL);
}

18
ext/digest/md5/md5ossl.h
View file

@ -4,10 +4,22 @@
#define MD5OSSL_H_INCLUDED
#include <stddef.h>
#include <openssl/md5.h>
#include <openssl/evp.h>
#define MD5_BLOCK_LENGTH MD5_CBLOCK
#define MD5_Init rb_digest_md5osslevp_Init
#define MD5_Update EVP_DigestUpdate
#define MD5_Finish rb_digest_md5osslevp_Finish
#define MD5_CTX EVP_MD_CTX
void MD5_Finish(MD5_CTX *pctx, unsigned char *digest);
/* We should use EVP_MD_size(3) and EVP_MD_block_size(3), but the
advantage of these is that they are flexible across digest
algorithms and we are fixing the digest algorithm here; and these
numbers must be constants because the rb_digest_metadata_t
structure is declared const. Simplest way is to write literals. */
#define MD5_BLOCK_LENGTH 64
#define MD5_DIGEST_LENGTH 16
int MD5_Init(MD5_CTX *pctx);
int MD5_Finish(MD5_CTX *pctx, unsigned char *digest);
#endif