From 94ab063a35b67b9940effdcd55936246b46ee0e4 Mon Sep 17 00:00:00 2001
From: Jaroslav Rohel <jrohel@redhat.com>
Date: Wed, 2 Feb 2022 18:00:39 +0100
Subject: [PATCH] Remove class `SHA1Hash`, which is no longer used, remove
 OpenSSL require

The class was used by the `dnf_sack_get_rpmdb_version` function, which was
removed. The `rpmdbCookie` function from librpm is used instead.
---
 CMakeLists.txt                     |  1 -
 libdnf.spec                        |  1 -
 libdnf/CMakeLists.txt              |  1 -
 libdnf/utils/CMakeLists.txt        |  1 -
 libdnf/utils/crypto/CMakeLists.txt |  5 -----
 libdnf/utils/crypto/sha1.cpp       | 36 ------------------------------
 libdnf/utils/crypto/sha1.hpp       | 25 ---------------------
 7 files changed, 70 deletions(-)
 delete mode 100644 libdnf/utils/crypto/CMakeLists.txt
 delete mode 100644 libdnf/utils/crypto/sha1.cpp
 delete mode 100644 libdnf/utils/crypto/sha1.hpp

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 3270c7aaad..9eb9d16c32 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -53,7 +53,6 @@ endif()
 # build dependencies
 find_package(Gpgme REQUIRED)
 find_package(LibSolv 0.6.30 REQUIRED COMPONENTS ext)
-find_package(OpenSSL REQUIRED)
 
 
 # build dependencies via pkg-config
diff --git a/libdnf.spec b/libdnf.spec
index b38b20753f..60db94d97c 100644
--- a/libdnf.spec
+++ b/libdnf.spec
@@ -83,7 +83,6 @@ BuildRequires:  pkgconfig(zck) >= 0.9.11
 BuildRequires:  pkgconfig(sqlite3)
 BuildRequires:  pkgconfig(json-c)
 BuildRequires:  pkgconfig(cppunit)
-BuildRequires:  pkgconfig(libcrypto)
 BuildRequires:  pkgconfig(modulemd-2.0) >= %{libmodulemd_version}
 BuildRequires:  pkgconfig(smartcols)
 BuildRequires:  gettext
diff --git a/libdnf/CMakeLists.txt b/libdnf/CMakeLists.txt
index 998a6f94a3..9e71d139f1 100644
--- a/libdnf/CMakeLists.txt
+++ b/libdnf/CMakeLists.txt
@@ -75,7 +75,6 @@ target_link_libraries(libdnf
     ${GLIB_GIO_UNIX_LIBRARIES}
     ${LIBSOLV_LIBRARY}
     ${LIBSOLV_EXT_LIBRARY}
-    ${OPENSSL_CRYPTO_LIBRARY}
     ${RPM_LIBRARIES}
     ${SCOLS_LIBRARIES}
     ${SQLite3_LIBRARIES}
diff --git a/libdnf/utils/CMakeLists.txt b/libdnf/utils/CMakeLists.txt
index 71a1042cd4..4ec456ef81 100644
--- a/libdnf/utils/CMakeLists.txt
+++ b/libdnf/utils/CMakeLists.txt
@@ -1,5 +1,4 @@
 add_subdirectory(bgettext)
-add_subdirectory(crypto)
 add_subdirectory(iniparser)
 add_subdirectory(regex)
 add_subdirectory(sqlite3)
diff --git a/libdnf/utils/crypto/CMakeLists.txt b/libdnf/utils/crypto/CMakeLists.txt
deleted file mode 100644
index 149d100cc3..0000000000
--- a/libdnf/utils/crypto/CMakeLists.txt
+++ /dev/null
@@ -1,5 +0,0 @@
-set(UTILS_SOURCES
-    ${UTILS_SOURCES}
-    ${CMAKE_CURRENT_SOURCE_DIR}/sha1.cpp
-    PARENT_SCOPE
-)
diff --git a/libdnf/utils/crypto/sha1.cpp b/libdnf/utils/crypto/sha1.cpp
deleted file mode 100644
index 1533ee6b2b..0000000000
--- a/libdnf/utils/crypto/sha1.cpp
+++ /dev/null
@@ -1,36 +0,0 @@
-#include <cstring>
-
-#include <iomanip>
-#include <sstream>
-
-#include "sha1.hpp"
-
-
-SHA1Hash::SHA1Hash()
-{
-    md_ctx = EVP_MD_CTX_new();
-    EVP_DigestInit_ex(md_ctx, EVP_sha1(), NULL);
-}
-
-
-void
-SHA1Hash::update(const char * data)
-{
-    EVP_DigestUpdate(md_ctx, data, strlen(data));
-}
-
-
-std::string
-SHA1Hash::hexdigest()
-{
-    unsigned char md[digestLength];
-    EVP_DigestFinal_ex(md_ctx, md, NULL);
-
-    std::stringstream ss;
-    for(int i=0; i<digestLength; i++) {
-        ss << std::setfill('0') << std::setw(2) << std::hex << static_cast<int>(md[i]);
-    }
-
-    EVP_MD_CTX_free(md_ctx);
-    return ss.str();
-}
diff --git a/libdnf/utils/crypto/sha1.hpp b/libdnf/utils/crypto/sha1.hpp
deleted file mode 100644
index 9f1dfdebab..0000000000
--- a/libdnf/utils/crypto/sha1.hpp
+++ /dev/null
@@ -1,25 +0,0 @@
-#include <string>
-#include <openssl/sha.h>
-#include <openssl/evp.h>
-
-
-/*
-USAGE:
-
-SHA1Hash h;
-h.update("foo");
-h.update("bar");
-std::cout << h.hexdigest() << std::endl;
-*/
-
-
-class SHA1Hash {
-public:
-    SHA1Hash();
-    void update(const char *data);
-    std::string hexdigest();
-    static constexpr int digestLength = SHA_DIGEST_LENGTH;
-
-private:
-    EVP_MD_CTX *md_ctx;
-};