2da7a540e7
This replaces the parts of the original PR with official patches which landed in [ruby/openssl](https://github.com/ruby/openssl) repository and should reflect the state of OpenSSL 3 support in Ruby 3.1.
524 lines
16 KiB
Diff
524 lines
16 KiB
Diff
From 8253d7c9cea16c2aa009b59db4f5d93afb74c6eb Mon Sep 17 00:00:00 2001
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From: Kazuki Yamaguchi <k@rhe.jp>
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Date: Tue, 30 Jun 2020 14:27:13 +0900
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Subject: [PATCH 1/2] hmac: add a test case for OpenSSL::HMAC singleton methods
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---
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test/openssl/test_hmac.rb | 9 +++++++++
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1 file changed, 9 insertions(+)
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diff --git a/test/openssl/test_hmac.rb b/test/openssl/test_hmac.rb
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index 9cb3c5a86..7202a5902 100644
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--- a/test/openssl/test_hmac.rb
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+++ b/test/openssl/test_hmac.rb
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@@ -49,6 +49,15 @@ def test_eq
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refute_equal h1, h2.digest
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refute_equal h1, h3
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end
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+
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+ def test_singleton_methods
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+ # RFC 2202 2. Test Cases for HMAC-MD5
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+ key = ["0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b"].pack("H*")
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+ digest = OpenSSL::HMAC.digest("MD5", key, "Hi There")
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+ assert_equal ["9294727a3638bb1c13f48ef8158bfc9d"].pack("H*"), digest
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+ hexdigest = OpenSSL::HMAC.hexdigest("MD5", key, "Hi There")
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+ assert_equal "9294727a3638bb1c13f48ef8158bfc9d", hexdigest
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+ end
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end
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end
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From 0317e2fc028be40a7d64d0e4337d3e21539613ce Mon Sep 17 00:00:00 2001
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From: Kazuki Yamaguchi <k@rhe.jp>
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Date: Mon, 18 May 2020 16:15:07 +0900
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Subject: [PATCH 2/2] hmac: migrate from the low-level HMAC API to the EVP API
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Use the EVP API instead of the low-level HMAC API. Use of the HMAC API
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has been discouraged and is being marked as deprecated starting from
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OpenSSL 3.0.0.
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The two singleton methods OpenSSL::HMAC, HMAC.digest and HMAC.hexdigest
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are now in lib/openssl/hmac.rb.
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---
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ext/openssl/extconf.rb | 3 +-
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ext/openssl/lib/openssl/hmac.rb | 40 +++++++
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ext/openssl/openssl_missing.c | 26 -----
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ext/openssl/openssl_missing.h | 10 +-
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ext/openssl/ossl.h | 1 -
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ext/openssl/ossl_hmac.c | 179 ++++++++------------------------
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6 files changed, 89 insertions(+), 170 deletions(-)
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diff --git a/ext/openssl/extconf.rb b/ext/openssl/extconf.rb
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index 693e55cd9..063498a76 100644
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--- a/ext/openssl/extconf.rb
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+++ b/ext/openssl/extconf.rb
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@@ -141,8 +141,7 @@ def find_openssl_library
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have_func("BN_GENCB_get_arg")
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have_func("EVP_MD_CTX_new")
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have_func("EVP_MD_CTX_free")
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-have_func("HMAC_CTX_new")
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-have_func("HMAC_CTX_free")
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+have_func("EVP_MD_CTX_pkey_ctx")
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have_func("X509_STORE_get_ex_data")
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have_func("X509_STORE_set_ex_data")
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have_func("X509_STORE_get_ex_new_index")
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diff --git a/ext/openssl/lib/openssl/hmac.rb b/ext/openssl/lib/openssl/hmac.rb
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index 3d4427611d..9bc8bc8df3 100644
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--- a/ext/openssl/lib/openssl/hmac.rb
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+++ b/ext/openssl/lib/openssl/hmac.rb
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@@ -9,5 +9,45 @@ def ==(other)
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OpenSSL.fixed_length_secure_compare(self.digest, other.digest)
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end
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+
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+ class << self
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+ # :call-seq:
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+ # HMAC.digest(digest, key, data) -> aString
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+ #
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+ # Returns the authentication code as a binary string. The _digest_ parameter
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+ # specifies the digest algorithm to use. This may be a String representing
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+ # the algorithm name or an instance of OpenSSL::Digest.
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+ #
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+ # === Example
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+ # key = 'key'
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+ # data = 'The quick brown fox jumps over the lazy dog'
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+ #
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+ # hmac = OpenSSL::HMAC.digest('SHA1', key, data)
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+ # #=> "\xDE|\x9B\x85\xB8\xB7\x8A\xA6\xBC\x8Az6\xF7\n\x90p\x1C\x9D\xB4\xD9"
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+ def digest(digest, key, data)
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+ hmac = new(key, digest)
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+ hmac << data
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+ hmac.digest
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+ end
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+
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+ # :call-seq:
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+ # HMAC.hexdigest(digest, key, data) -> aString
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+ #
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+ # Returns the authentication code as a hex-encoded string. The _digest_
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+ # parameter specifies the digest algorithm to use. This may be a String
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+ # representing the algorithm name or an instance of OpenSSL::Digest.
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+ #
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+ # === Example
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+ # key = 'key'
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+ # data = 'The quick brown fox jumps over the lazy dog'
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+ #
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+ # hmac = OpenSSL::HMAC.hexdigest('SHA1', key, data)
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+ # #=> "de7c9b85b8b78aa6bc8a7a36f70a90701c9db4d9"
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+ def hexdigest(digest, key, data)
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+ hmac = new(key, digest)
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+ hmac << data
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+ hmac.hexdigest
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+ end
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+ end
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end
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end
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diff --git a/ext/openssl/openssl_missing.c b/ext/openssl/openssl_missing.c
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index b36ef0288..010c158dc 100644
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--- a/ext/openssl/openssl_missing.c
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+++ b/ext/openssl/openssl_missing.c
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@@ -13,9 +13,6 @@
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#if !defined(OPENSSL_NO_ENGINE)
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# include <openssl/engine.h>
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#endif
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-#if !defined(OPENSSL_NO_HMAC)
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-# include <openssl/hmac.h>
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-#endif
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#include <openssl/x509_vfy.h>
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#include "openssl_missing.h"
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@@ -58,29 +55,6 @@ ossl_EC_curve_nist2nid(const char *name)
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#endif
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/*** added in 1.1.0 ***/
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-#if !defined(HAVE_HMAC_CTX_NEW)
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-HMAC_CTX *
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-ossl_HMAC_CTX_new(void)
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-{
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- HMAC_CTX *ctx = OPENSSL_malloc(sizeof(HMAC_CTX));
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- if (!ctx)
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- return NULL;
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- HMAC_CTX_init(ctx);
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- return ctx;
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-}
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-#endif
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-
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-#if !defined(HAVE_HMAC_CTX_FREE)
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-void
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-ossl_HMAC_CTX_free(HMAC_CTX *ctx)
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-{
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- if (ctx) {
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- HMAC_CTX_cleanup(ctx);
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- OPENSSL_free(ctx);
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- }
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-}
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-#endif
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-
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#if !defined(HAVE_X509_CRL_GET0_SIGNATURE)
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void
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ossl_X509_CRL_get0_signature(const X509_CRL *crl, const ASN1_BIT_STRING **psig,
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diff --git a/ext/openssl/openssl_missing.h b/ext/openssl/openssl_missing.h
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index 7d218f86f..06d2a9082 100644
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--- a/ext/openssl/openssl_missing.h
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+++ b/ext/openssl/openssl_missing.h
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@@ -54,14 +54,8 @@ int ossl_EC_curve_nist2nid(const char *);
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# define EVP_MD_CTX_free EVP_MD_CTX_destroy
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#endif
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-#if !defined(HAVE_HMAC_CTX_NEW)
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-HMAC_CTX *ossl_HMAC_CTX_new(void);
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-# define HMAC_CTX_new ossl_HMAC_CTX_new
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-#endif
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-
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-#if !defined(HAVE_HMAC_CTX_FREE)
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-void ossl_HMAC_CTX_free(HMAC_CTX *);
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-# define HMAC_CTX_free ossl_HMAC_CTX_free
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+#if !defined(HAVE_EVP_MD_CTX_PKEY_CTX)
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+# define EVP_MD_CTX_pkey_ctx(x) (x)->pctx
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#endif
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#if !defined(HAVE_X509_STORE_GET_EX_DATA)
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diff --git a/ext/openssl/ossl.h b/ext/openssl/ossl.h
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index c20f506bd..577eb6d6b 100644
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--- a/ext/openssl/ossl.h
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+++ b/ext/openssl/ossl.h
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@@ -24,7 +24,6 @@
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#include <openssl/ssl.h>
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#include <openssl/pkcs12.h>
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#include <openssl/pkcs7.h>
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-#include <openssl/hmac.h>
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#include <openssl/rand.h>
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#include <openssl/conf.h>
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#ifndef OPENSSL_NO_TS
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diff --git a/ext/openssl/ossl_hmac.c b/ext/openssl/ossl_hmac.c
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index 70e9fb819..a21db6c48 100644
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--- a/ext/openssl/ossl_hmac.c
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+++ b/ext/openssl/ossl_hmac.c
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@@ -7,14 +7,12 @@
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* This program is licensed under the same licence as Ruby.
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* (See the file 'LICENCE'.)
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*/
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-#if !defined(OPENSSL_NO_HMAC)
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-
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#include "ossl.h"
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#define NewHMAC(klass) \
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TypedData_Wrap_Struct((klass), &ossl_hmac_type, 0)
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#define GetHMAC(obj, ctx) do { \
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- TypedData_Get_Struct((obj), HMAC_CTX, &ossl_hmac_type, (ctx)); \
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+ TypedData_Get_Struct((obj), EVP_MD_CTX, &ossl_hmac_type, (ctx)); \
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if (!(ctx)) { \
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ossl_raise(rb_eRuntimeError, "HMAC wasn't initialized"); \
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} \
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@@ -36,7 +34,7 @@ VALUE eHMACError;
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static void
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ossl_hmac_free(void *ctx)
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{
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- HMAC_CTX_free(ctx);
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+ EVP_MD_CTX_free(ctx);
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}
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static const rb_data_type_t ossl_hmac_type = {
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@@ -51,12 +49,12 @@ static VALUE
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ossl_hmac_alloc(VALUE klass)
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{
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VALUE obj;
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- HMAC_CTX *ctx;
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+ EVP_MD_CTX *ctx;
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obj = NewHMAC(klass);
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- ctx = HMAC_CTX_new();
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+ ctx = EVP_MD_CTX_new();
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if (!ctx)
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- ossl_raise(eHMACError, NULL);
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+ ossl_raise(eHMACError, "EVP_MD_CTX");
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RTYPEDDATA_DATA(obj) = ctx;
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return obj;
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@@ -76,8 +74,7 @@ ossl_hmac_alloc(VALUE klass)
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* === Example
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*
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* key = 'key'
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- * digest = OpenSSL::Digest.new('sha1')
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- * instance = OpenSSL::HMAC.new(key, digest)
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+ * instance = OpenSSL::HMAC.new(key, 'SHA1')
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* #=> f42bb0eeb018ebbd4597ae7213711ec60760843f
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* instance.class
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* #=> OpenSSL::HMAC
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@@ -86,7 +83,7 @@ ossl_hmac_alloc(VALUE klass)
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*
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* Two instances can be securely compared with #== in constant time:
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*
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- * other_instance = OpenSSL::HMAC.new('key', OpenSSL::Digest.new('sha1'))
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+ * other_instance = OpenSSL::HMAC.new('key', 'SHA1')
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* #=> f42bb0eeb018ebbd4597ae7213711ec60760843f
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* instance == other_instance
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* #=> true
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@@ -95,12 +92,23 @@ ossl_hmac_alloc(VALUE klass)
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static VALUE
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ossl_hmac_initialize(VALUE self, VALUE key, VALUE digest)
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{
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- HMAC_CTX *ctx;
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+ EVP_MD_CTX *ctx;
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+ EVP_PKEY *pkey;
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- StringValue(key);
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GetHMAC(self, ctx);
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- HMAC_Init_ex(ctx, RSTRING_PTR(key), RSTRING_LENINT(key),
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- ossl_evp_get_digestbyname(digest), NULL);
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+ StringValue(key);
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+ pkey = EVP_PKEY_new_mac_key(EVP_PKEY_HMAC, NULL,
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+ (unsigned char *)RSTRING_PTR(key),
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+ RSTRING_LENINT(key));
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+ if (!pkey)
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+ ossl_raise(eHMACError, "EVP_PKEY_new_mac_key");
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+ if (EVP_DigestSignInit(ctx, NULL, ossl_evp_get_digestbyname(digest),
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+ NULL, pkey) != 1) {
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+ EVP_PKEY_free(pkey);
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+ ossl_raise(eHMACError, "EVP_DigestSignInit");
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+ }
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+ /* Decrement reference counter; EVP_MD_CTX still keeps it */
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+ EVP_PKEY_free(pkey);
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return self;
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}
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@@ -108,16 +116,15 @@ ossl_hmac_initialize(VALUE self, VALUE key, VALUE digest)
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static VALUE
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ossl_hmac_copy(VALUE self, VALUE other)
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{
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- HMAC_CTX *ctx1, *ctx2;
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+ EVP_MD_CTX *ctx1, *ctx2;
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rb_check_frozen(self);
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if (self == other) return self;
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GetHMAC(self, ctx1);
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GetHMAC(other, ctx2);
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-
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- if (!HMAC_CTX_copy(ctx1, ctx2))
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- ossl_raise(eHMACError, "HMAC_CTX_copy");
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+ if (EVP_MD_CTX_copy(ctx1, ctx2) != 1)
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+ ossl_raise(eHMACError, "EVP_MD_CTX_copy");
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return self;
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}
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@@ -142,33 +149,16 @@ ossl_hmac_copy(VALUE self, VALUE other)
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static VALUE
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ossl_hmac_update(VALUE self, VALUE data)
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{
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- HMAC_CTX *ctx;
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+ EVP_MD_CTX *ctx;
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StringValue(data);
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GetHMAC(self, ctx);
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- HMAC_Update(ctx, (unsigned char *)RSTRING_PTR(data), RSTRING_LEN(data));
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+ if (EVP_DigestSignUpdate(ctx, RSTRING_PTR(data), RSTRING_LEN(data)) != 1)
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+ ossl_raise(eHMACError, "EVP_DigestSignUpdate");
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return self;
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}
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-static void
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-hmac_final(HMAC_CTX *ctx, unsigned char *buf, unsigned int *buf_len)
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-{
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- HMAC_CTX *final;
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-
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- final = HMAC_CTX_new();
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- if (!final)
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- ossl_raise(eHMACError, "HMAC_CTX_new");
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-
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- if (!HMAC_CTX_copy(final, ctx)) {
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- HMAC_CTX_free(final);
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- ossl_raise(eHMACError, "HMAC_CTX_copy");
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- }
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-
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- HMAC_Final(final, buf, buf_len);
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- HMAC_CTX_free(final);
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-}
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-
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/*
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* call-seq:
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* hmac.digest -> string
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@@ -176,7 +166,7 @@ hmac_final(HMAC_CTX *ctx, unsigned char *buf, unsigned int *buf_len)
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* Returns the authentication code an instance represents as a binary string.
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*
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* === Example
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- * instance = OpenSSL::HMAC.new('key', OpenSSL::Digest.new('sha1'))
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+ * instance = OpenSSL::HMAC.new('key', 'SHA1')
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* #=> f42bb0eeb018ebbd4597ae7213711ec60760843f
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* instance.digest
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* #=> "\xF4+\xB0\xEE\xB0\x18\xEB\xBDE\x97\xAEr\x13q\x1E\xC6\a`\x84?"
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@@ -184,15 +174,16 @@ hmac_final(HMAC_CTX *ctx, unsigned char *buf, unsigned int *buf_len)
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static VALUE
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ossl_hmac_digest(VALUE self)
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{
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- HMAC_CTX *ctx;
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- unsigned int buf_len;
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+ EVP_MD_CTX *ctx;
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+ size_t buf_len;
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VALUE ret;
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GetHMAC(self, ctx);
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ret = rb_str_new(NULL, EVP_MAX_MD_SIZE);
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- hmac_final(ctx, (unsigned char *)RSTRING_PTR(ret), &buf_len);
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- assert(buf_len <= EVP_MAX_MD_SIZE);
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- rb_str_set_len(ret, buf_len);
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+ if (EVP_DigestSignFinal(ctx, (unsigned char *)RSTRING_PTR(ret),
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+ &buf_len) != 1)
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+ ossl_raise(eHMACError, "EVP_DigestSignFinal");
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+ rb_str_set_len(ret, (long)buf_len);
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return ret;
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}
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@@ -207,13 +198,14 @@ ossl_hmac_digest(VALUE self)
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static VALUE
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ossl_hmac_hexdigest(VALUE self)
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{
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- HMAC_CTX *ctx;
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+ EVP_MD_CTX *ctx;
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unsigned char buf[EVP_MAX_MD_SIZE];
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- unsigned int buf_len;
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+ size_t buf_len;
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VALUE ret;
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GetHMAC(self, ctx);
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- hmac_final(ctx, buf, &buf_len);
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+ if (EVP_DigestSignFinal(ctx, buf, &buf_len) != 1)
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+ ossl_raise(eHMACError, "EVP_DigestSignFinal");
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ret = rb_str_new(NULL, buf_len * 2);
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ossl_bin2hex(buf, RSTRING_PTR(ret), buf_len);
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@@ -230,7 +222,7 @@ ossl_hmac_hexdigest(VALUE self)
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* === Example
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*
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* data = "The quick brown fox jumps over the lazy dog"
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- * instance = OpenSSL::HMAC.new('key', OpenSSL::Digest.new('sha1'))
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+ * instance = OpenSSL::HMAC.new('key', 'SHA1')
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* #=> f42bb0eeb018ebbd4597ae7213711ec60760843f
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*
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* instance.update(data)
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@@ -242,84 +234,17 @@ ossl_hmac_hexdigest(VALUE self)
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static VALUE
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ossl_hmac_reset(VALUE self)
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{
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- HMAC_CTX *ctx;
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+ EVP_MD_CTX *ctx;
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+ EVP_PKEY *pkey;
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GetHMAC(self, ctx);
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- HMAC_Init_ex(ctx, NULL, 0, NULL, NULL);
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+ pkey = EVP_PKEY_CTX_get0_pkey(EVP_MD_CTX_pkey_ctx(ctx));
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+ if (EVP_DigestSignInit(ctx, NULL, EVP_MD_CTX_md(ctx), NULL, pkey) != 1)
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+ ossl_raise(eHMACError, "EVP_DigestSignInit");
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return self;
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}
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-/*
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- * call-seq:
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- * HMAC.digest(digest, key, data) -> aString
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- *
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- * Returns the authentication code as a binary string. The _digest_ parameter
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- * specifies the digest algorithm to use. This may be a String representing
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- * the algorithm name or an instance of OpenSSL::Digest.
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- *
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- * === Example
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- *
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- * key = 'key'
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- * data = 'The quick brown fox jumps over the lazy dog'
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- *
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- * hmac = OpenSSL::HMAC.digest('sha1', key, data)
|
|
- * #=> "\xDE|\x9B\x85\xB8\xB7\x8A\xA6\xBC\x8Az6\xF7\n\x90p\x1C\x9D\xB4\xD9"
|
|
- *
|
|
- */
|
|
-static VALUE
|
|
-ossl_hmac_s_digest(VALUE klass, VALUE digest, VALUE key, VALUE data)
|
|
-{
|
|
- unsigned char *buf;
|
|
- unsigned int buf_len;
|
|
-
|
|
- StringValue(key);
|
|
- StringValue(data);
|
|
- buf = HMAC(ossl_evp_get_digestbyname(digest), RSTRING_PTR(key),
|
|
- RSTRING_LENINT(key), (unsigned char *)RSTRING_PTR(data),
|
|
- RSTRING_LEN(data), NULL, &buf_len);
|
|
-
|
|
- return rb_str_new((const char *)buf, buf_len);
|
|
-}
|
|
-
|
|
-/*
|
|
- * call-seq:
|
|
- * HMAC.hexdigest(digest, key, data) -> aString
|
|
- *
|
|
- * Returns the authentication code as a hex-encoded string. The _digest_
|
|
- * parameter specifies the digest algorithm to use. This may be a String
|
|
- * representing the algorithm name or an instance of OpenSSL::Digest.
|
|
- *
|
|
- * === Example
|
|
- *
|
|
- * key = 'key'
|
|
- * data = 'The quick brown fox jumps over the lazy dog'
|
|
- *
|
|
- * hmac = OpenSSL::HMAC.hexdigest('sha1', key, data)
|
|
- * #=> "de7c9b85b8b78aa6bc8a7a36f70a90701c9db4d9"
|
|
- *
|
|
- */
|
|
-static VALUE
|
|
-ossl_hmac_s_hexdigest(VALUE klass, VALUE digest, VALUE key, VALUE data)
|
|
-{
|
|
- unsigned char buf[EVP_MAX_MD_SIZE];
|
|
- unsigned int buf_len;
|
|
- VALUE ret;
|
|
-
|
|
- StringValue(key);
|
|
- StringValue(data);
|
|
-
|
|
- if (!HMAC(ossl_evp_get_digestbyname(digest), RSTRING_PTR(key),
|
|
- RSTRING_LENINT(key), (unsigned char *)RSTRING_PTR(data),
|
|
- RSTRING_LEN(data), buf, &buf_len))
|
|
- ossl_raise(eHMACError, "HMAC");
|
|
-
|
|
- ret = rb_str_new(NULL, buf_len * 2);
|
|
- ossl_bin2hex(buf, RSTRING_PTR(ret), buf_len);
|
|
-
|
|
- return ret;
|
|
-}
|
|
-
|
|
/*
|
|
* INIT
|
|
*/
|
|
@@ -353,8 +278,7 @@ Init_ossl_hmac(void)
|
|
* data1 = File.read("file1")
|
|
* data2 = File.read("file2")
|
|
* key = "key"
|
|
- * digest = OpenSSL::Digest.new('SHA256')
|
|
- * hmac = OpenSSL::HMAC.new(key, digest)
|
|
+ * hmac = OpenSSL::HMAC.new(key, 'SHA256')
|
|
* hmac << data1
|
|
* hmac << data2
|
|
* mac = hmac.digest
|
|
@@ -364,8 +288,6 @@ Init_ossl_hmac(void)
|
|
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_method(cHMAC, "initialize_copy", ossl_hmac_copy, 1);
|
|
@@ -378,12 +300,3 @@ Init_ossl_hmac(void)
|
|
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(void)
|
|
-{
|
|
- rb_warning("HMAC is not available: OpenSSL is compiled without HMAC.");
|
|
-}
|
|
-#endif /* NO_HMAC */
|
|
--
|
|
2.34.1
|
|
|