Add missing OpenSSL functions

Signed-off-by: Jonh Wendell <[email protected]>

Author: jwendell

bssl-compat/CMakeLists.txt

@@ -80,6 +80,7 @@ add_library(bssl-compat STATIC
   source/EVP_MD_CTX_init.cc
   source/EVP_MD_CTX_move.cc
   source/EVP_parse_public_key.cc
+  source/EVP_parse_private_key.cc
   source/EVP_PKEY_get0_EC_KEY.cc
   source/EVP_PKEY_get0_RSA.cc
   source/EVP_PKEY_get1_EC_KEY.cc
@@ -426,6 +427,7 @@ target_add_bssl_function(bssl-compat
   EVP_DigestFinal_ex
   EVP_DigestInit
   EVP_DigestInit_ex
+  EVP_DigestSign
   EVP_DigestSignInit
   EVP_DigestSignUpdate
   EVP_DigestUpdate
@@ -457,6 +459,7 @@ target_add_bssl_function(bssl-compat
   EVP_PKEY_new
   EVP_PKEY_set1_RSA
   EVP_PKEY_size
+  EVP_PKEY_bits
   EVP_sha1
   EVP_sha224
   EVP_sha256

bssl-compat/patch/include/openssl/evp.h.sh

@@ -16,10 +16,12 @@ uncomment.sh "$1" --comment -h \
   --uncomment-func-decl EVP_PKEY_get1_EC_KEY \
   --uncomment-macro-redef 'EVP_PKEY_[A-Z0-9_]*' \
   --uncomment-func-decl EVP_parse_public_key \
+  --uncomment-func-decl EVP_parse_private_key \
   --uncomment-func-decl EVP_DigestVerifyInit \
   --uncomment-func-decl EVP_DigestVerify \
   --uncomment-func-decl EVP_PKEY_set1_RSA \
   --uncomment-func-decl EVP_PKEY_get_raw_public_key \
+  --uncomment-func-decl EVP_DigestSign \
   --uncomment-func-decl  EVP_DigestSignInit \
   --uncomment-func-decl  EVP_DigestSignUpdate \
   --uncomment-func-decl  EVP_DigestSignFinal \
@@ -30,6 +32,7 @@ uncomment.sh "$1" --comment -h \
   --uncomment-regex 'BORINGSSL_MAKE_DELETER(EVP_PKEY,' \
   --uncomment-regex 'BORINGSSL_MAKE_UP_REF(EVP_PKEY,' \
   --uncomment-func-decl EVP_PKEY_size \
+  --uncomment-func-decl EVP_PKEY_bits \
   --uncomment-func-decl EVP_SignInit_ex \
   --uncomment-func-decl EVP_SignUpdate \
   --uncomment-func-decl EVP_SignFinal

bssl-compat/source/EVP_parse_private_key.cc

@@ -0,0 +1,13 @@
+#include <openssl/evp.h>
+#include <ossl.h>
+#include <openssl/bytestring.h>
+
+
+/*
+ * BSSL: https://github.com/google/boringssl/blob/098695591f3a2665fccef83a3732ecfc99acdcdd/src/include/openssl/evp.h#L218-L231
+ * OSSL: N/A
+ */
+extern "C" EVP_PKEY *EVP_parse_private_key(CBS *cbs) {
+  const unsigned char* tmp = cbs->data;
+  return ossl.ossl_d2i_AutoPrivateKey_ex(NULL, &tmp, cbs->len, NULL, NULL);
+}