X-Git-Url: http://plrg.eecs.uci.edu/git/?p=folly.git;a=blobdiff_plain;f=folly%2Fssl%2FOpenSSLCertUtils.cpp;h=ac7cd7414f2159e68be9ce587e0624080cd9aa2e;hp=9b9efa3eb3f89401f2e303a485dbda7efb00f207;hb=192d78d40551ec5d9aade5ca72dd6e33ad700a2b;hpb=0d13183a2c02539d216e6f16f8b27a8ffb359190

diff --git a/folly/ssl/OpenSSLCertUtils.cpp b/folly/ssl/OpenSSLCertUtils.cpp
index 9b9efa3e..ac7cd741 100644
--- a/folly/ssl/OpenSSLCertUtils.cpp
+++ b/folly/ssl/OpenSSLCertUtils.cpp
@@ -216,5 +216,30 @@ std::vector<X509UniquePtr> OpenSSLCertUtils::readCertsFromBuffer(
   return certs;
 }
 
+std::array<uint8_t, SHA_DIGEST_LENGTH> OpenSSLCertUtils::getDigestSha1(
+    X509& x509) {
+  unsigned int len;
+  std::array<uint8_t, SHA_DIGEST_LENGTH> md;
+  int rc = X509_digest(&x509, EVP_sha1(), md.data(), &len);
+
+  if (rc <= 0) {
+    throw std::runtime_error("Could not calculate SHA1 digest for cert");
+  }
+  return md;
+}
+
+std::array<uint8_t, SHA256_DIGEST_LENGTH> OpenSSLCertUtils::getDigestSha256(
+    X509& x509) {
+  unsigned int len;
+  std::array<uint8_t, SHA256_DIGEST_LENGTH> md;
+  int rc = X509_digest(&x509, EVP_sha256(), md.data(), &len);
+
+  if (rc <= 0) {
+    throw std::runtime_error("Could not calculate SHA256 digest for cert");
+  }
+  return md;
+}
+
+
 } // namespace ssl
 } // namespace folly