--- strongswan-5.9.5.orig/src/libstrongswan/plugins/openssl/openssl_rsa_public_key.c 2021-12-29 12:08:27.000000000 +0100 +++ strongswan-5.9.5/src/libstrongswan/plugins/openssl/openssl_rsa_public_key.c 2022-03-21 16:49:30.581005593 +0100 @@ -281,7 +281,7 @@ METHOD(public_key_t, verify, bool, return verify_emsa_pkcs1_signature(this, NID_sha384, data, signature); case SIGN_RSA_EMSA_PKCS1_SHA2_512: return verify_emsa_pkcs1_signature(this, NID_sha512, data, signature); -#if OPENSSL_VERSION_NUMBER >= 0x1010100fL && !defined(OPENSSL_NO_SHA3) +#if OPENSSL_VERSION_NUMBER >= 0x1010100fL && !defined(OPENSSL_NO_SHA3) && !defined(LIBRESSL_VERSION_NUMBER) case SIGN_RSA_EMSA_PKCS1_SHA3_224: return verify_emsa_pkcs1_signature(this, NID_sha3_224, data, signature); case SIGN_RSA_EMSA_PKCS1_SHA3_256: