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authorknu <knu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2010-02-23 17:33:39 +0000
committerknu <knu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2010-02-23 17:33:39 +0000
commitd22373455532e99c0adf1a1e5d0b3a864691e2f9 (patch)
tree0dcfe67a2339f2590d4fb213cb4efaa0e255029d /ext/openssl/ossl_hmac.c
parent28501bb6e5a31d6ddb8b5167f2f2a87a623bf818 (diff)
Back out the series of changes pending a due discussion.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@26743 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'ext/openssl/ossl_hmac.c')
-rw-r--r--ext/openssl/ossl_hmac.c77
1 files changed, 47 insertions, 30 deletions
diff --git a/ext/openssl/ossl_hmac.c b/ext/openssl/ossl_hmac.c
index 13d8d9d..aa7644a 100644
--- a/ext/openssl/ossl_hmac.c
+++ b/ext/openssl/ossl_hmac.c
@@ -125,11 +125,11 @@ hmac_final(HMAC_CTX *ctx, unsigned char **buf, unsigned int *buf_len)
/*
* call-seq:
- * hmac.finish -> aString
+ * hmac.digest -> aString
*
*/
static VALUE
-ossl_hmac_finish(VALUE self)
+ossl_hmac_digest(VALUE self)
{
HMAC_CTX *ctx;
unsigned char *buf;
@@ -145,72 +145,89 @@ ossl_hmac_finish(VALUE self)
/*
* call-seq:
- * hmac.reset -> self
+ * hmac.hexdigest -> aString
*
*/
static VALUE
-ossl_hmac_reset(VALUE self)
+ossl_hmac_hexdigest(VALUE self)
{
HMAC_CTX *ctx;
-
+ unsigned char *buf;
+ char *hexbuf;
+ unsigned int buf_len;
+ VALUE hexdigest;
+
GetHMAC(self, ctx);
- HMAC_Init_ex(ctx, NULL, 0, NULL, NULL);
+ 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 self;
+ return hexdigest;
}
/*
* call-seq:
- * hmac.digest_length -> integer
+ * hmac.reset -> self
*
*/
static VALUE
-ossl_hmac_digest_length(VALUE self)
+ossl_hmac_reset(VALUE self)
{
HMAC_CTX *ctx;
GetHMAC(self, ctx);
+ HMAC_Init_ex(ctx, NULL, 0, NULL, NULL);
- return INT2FIX(HMAC_size(ctx));
+ return self;
}
/*
* call-seq:
- * hmac.block_length -> integer
+ * HMAC.digest(digest, key, data) -> aString
*
*/
static VALUE
-ossl_hmac_block_length(VALUE self)
+ossl_hmac_s_digest(VALUE klass, VALUE digest, VALUE key, VALUE data)
{
- HMAC_CTX *ctx;
-
- GetHMAC(self, ctx);
+ unsigned char *buf;
+ unsigned int buf_len;
+
+ StringValue(key);
+ StringValue(data);
+ buf = HMAC(GetDigestPtr(digest), RSTRING_PTR(key), RSTRING_LEN(key),
+ (unsigned char *)RSTRING_PTR(data), RSTRING_LEN(data), NULL, &buf_len);
- return INT2FIX(EVP_MD_block_size(ctx->md));
+ return rb_str_new((const char *)buf, buf_len);
}
/*
* call-seq:
- * HMAC.digest(digest_class, key, data) -> aString
- * HMAC.digest(digest_object, key, data) -> aString
- * HMAC.digest(digest_name, key, data) -> aString
+ * HMAC.digest(digest, key, data) -> aString
*
- * The last three forms are still supported for backward compatibility,
- * and HMAC.digest(data, key, digest_name) is _not_ supported for
- * that reason.
*/
static VALUE
-ossl_hmac_s_digest(VALUE klass, VALUE digest, VALUE key, VALUE data)
+ossl_hmac_s_hexdigest(VALUE klass, VALUE digest, VALUE key, VALUE data)
{
unsigned char *buf;
+ char *hexbuf;
unsigned int buf_len;
+ VALUE hexdigest;
StringValue(key);
StringValue(data);
+
buf = HMAC(GetDigestPtr(digest), RSTRING_PTR(key), RSTRING_LEN(key),
(unsigned char *)RSTRING_PTR(data), RSTRING_LEN(data), 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 rb_str_new((const char *)buf, buf_len);
+ return hexdigest;
}
/*
@@ -219,18 +236,17 @@ ossl_hmac_s_digest(VALUE klass, VALUE digest, VALUE key, VALUE data)
void
Init_ossl_hmac()
{
- rb_require("digest");
-
#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_path2class("Digest::Class"));
+ 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);
@@ -238,9 +254,10 @@ Init_ossl_hmac()
rb_define_method(cHMAC, "reset", ossl_hmac_reset, 0);
rb_define_method(cHMAC, "update", ossl_hmac_update, 1);
rb_define_alias(cHMAC, "<<", "update");
- rb_define_private_method(cHMAC, "finish", ossl_hmac_finish, 0);
- rb_define_method(cHMAC, "digest_length", ossl_hmac_digest_length, 0);
- rb_define_method(cHMAC, "block_length", ossl_hmac_block_length, 0);
+ 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 */