bug#57576: Missing support for NIPT-P384 gpg algorithm in Guix channel authentication.

[Ludovic Courtès]

Hi,

Zhu Zihao <all_but_last@163.com> skribis:

> I'm working with my private channel, And I update my gpg key using
> NIPT-P384 algorithm. But `guix time-machine` complains that:

[...]

>     226:4  6 (authenticate-commit #<git-repository 861da0> #<git-co…> …)
>    129:23  5 (commit-signing-key _ #<oid 6601a6ab9073cfe260e1563131…> …)
> In guix/openpgp.scm:
>    562:26  4 (verify-openpgp-signature _ _ _)
> In gcrypt/pk-crypto.scm:
>     250:8  3 (key-type (unsupported-algorithm 19 #vu8(5 43 129 4 …)))
>    202:27  2 (_ (unsupported-algorithm 19 #vu8(5 43 129 4 0 34 3 …)) 0)
> In ice-9/boot-9.scm:
>   1685:16  1 (raise-exception _ #:continuable? _)
>   1685:16  0 (raise-exception _ #:continuable? _)
>
> ice-9/boot-9.scm:1685:16: In procedure raise-exception:
> In procedure struct-vtable: Wrong type argument in position 1 (expecting 
> struct): (unsupported-algorithm 19 #vu8(5 43 129 4 0 34 3 3 4 53 239 158 105 
> 250 133 46 247 192 56 245 48 43 60 70 47 46 85 221 226 213 94 248 254 218 85 
> 176 252 233 119 26 85 65 191 47 159 193 86 129 155 186 183 151 233 81 178 42 
> 30 81 234 192 184 140 230 226 26 72 186 82 18 213 187 6 28 34 39 197 75 37 
> 138 226 98 216 187 185 223 222 126 181 122 255 104 171 201 51 254 7 235 245 
> 151 247 168 215 165 73 181))
>
> Does Guix support NIPT-P384 key?

Nope!  (That’s NIST-P384.)

To add it, we need to adjust (guix openpgp) to support it (and ECDSA,
the “19” we see above).  I’ll follow up with a patch.

Ludo’.