A hostkey type from libssh2, either git_cert_ssh_t.GIT_CERT_SSH_MD5 or git_cert_ssh_t.GIT_CERT_SSH_SHA1
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A hostkey type from libssh2, either git_cert_ssh_t.GIT_CERT_SSH_MD5 or git_cert_ssh_t.GIT_CERT_SSH_SHA1