On Sun, Jul 11 2021, southerntofu via Guix-patches via wrote:

> ---
>  gnu/packages/crates-io.scm | 27 +++++++++++++++++++++++++++
>  1 file changed, 27 insertions(+)
>
> diff --git a/gnu/packages/crates-io.scm b/gnu/packages/crates-io.scm
> index 258649f6a0..2ac2230490 100644
> --- a/gnu/packages/crates-io.scm
> +++ b/gnu/packages/crates-io.scm
> @@ -20141,6 +20141,33 @@ Derivation Function (HKDF).")
>         (("rust-digest" ,rust-digest-0.8)
>          ("rust-hmac" ,rust-hmac-0.7))))))
>  
> +(define-public rust-hmac-0.10
> +  (package
> +    (name "rust-hmac")
> +    (version "0.10.1")
> +    (source
> +      (origin
> +        (method url-fetch)
> +        (uri (crate-uri "hmac" version))
> +        (file-name
> +          (string-append name "-" version ".tar.gz"))
> +        (sha256
> +          (base32
> +            "058yxq54x7xn0gk2vy9bl51r32c9z7qlcl2b80bjh3lk3rmiqi61"))))
> +    (build-system cargo-build-system)
> +    (arguments
> +      `(#:skip-build?
> +        #t
> +        #:cargo-inputs
> +        (("rust-crypto-mac" ,rust-crypto-mac-0.10)
> +         ("rust-digest" ,rust-digest-0.9))))
> +    (home-page "https://github.com/RustCrypto/MACs")
> +    (synopsis
> +      "Generic implementation of Hash-based Message Authentication Code (HMAC)")
> +    (description
> +      "Generic implementation of Hash-based Message Authentication Code (HMAC)")

Full sentence and missing period.
> +
>  (define-public rust-hmac-0.8
>    (package
>      (name "rust-hmac")

There is already a ‘rust-hmac-0.8’ package, maybe make it inherit from
‘rust-hmac-0.10’.