This series looks good to me. i've tested it and there are no failures,
and there's nothing i can see that's obviously missing from it.  Thanks
for the thorough fix, Justus!

A few notes about the change (none of them even close to being
blockers):

 - i note that signature creation timestamps had to be updated -- some
   future improvement might make it useful to abstract that away in the
   tests.

 - a few message digests seem to have changed from SHA2-512 to SHA2-256.
   I don't think there's a problem here, just noting that it's
   different.

 - I like the renaming of the secret key material to
   "openpgp4-secret-key.asc" so that it makes room for a possible future
   v5 secret key, and doesn't refer to a specific OpenPGP
   implementation.

 - instead of using an entirely novel key, another approach would have
   been to use one of the sample certificates from
   https://datatracker.ietf.org/doc/draft-bre-openpgp-samples/ I'm fine
   with going with the route Justus proposes here, just wanted to raise
   that using a stock key (one that multiple implementations have
   probably already themselves used for testing) can help avoid weird
   OpenPGP-specific gotchas that don't teach us much about notmuch.
   Anyway, something for future considerations.

All the best,

    --dkg



On Fri 2022-09-09 18:13:54 +0200, Justus Winter wrote:
> This replaces the old OpenPGPv4 key that is used in the test suite
> with a more modern OpenPGPv4 key.  All cryptographic artifacts in the
> test suite are updated accordingly.
>
> Having old cryptographic artifacts in the test suite presents a
> problem once the old algorithms are rejected by contemporary
> implementations.
>
> For reference, this is the old key.
>
>   sec   rsa1024 2011-02-05 [SC]
>         5AEAB11F5E33DCE875DDB75B6D92612D94E46381
>   uid           [ unknown] Notmuch Test Suite <test_su...@notmuchmail.org> 
> (INSECURE!)
>   ssb   rsa1024 2011-02-05 [E]
>
> And this is the new key.  Note that is has the same shape, but uses
> Ed25519 and Cv25519 instead of 1024-bit RSA.
>
>   sec   ed25519 2022-09-07 [SC]
>         9A3AFE6C60065A148FD4B58A7E6ABE924645CC60
>   uid           [ultimate] Notmuch Test Suite (INSECURE!) 
> <test_su...@notmuchmail.org>
>   ssb   cv25519 2022-09-07 [E]
> ---
>  test/T356-protected-headers.sh                |  8 +--
>  test/corpora/crypto/basic-encrypted.eml       | 13 +++--
>  .../crypto/encrypted-rfc822-attachment        | 49 +++++++++----------
>  test/corpora/crypto/encrypted-signed.eml      | 27 +++++-----
>  test/corpora/mangling/mixed-up.eml            | 14 ++----
>  ...le-wrapped-with-phony-protected-header.eml | 37 +++++++-------
>  ...pted-message-with-forwarded-attachment.eml | 29 ++++++-----
>  .../encrypted-signed-not-masked.eml           | 25 +++++-----
>  .../protected-headers/encrypted-signed.eml    | 25 +++++-----
>  .../misplaced-protected-header.eml            | 36 ++++++++------
>  .../nested-rfc822-message.eml                 | 23 ++++-----
>  .../no-protected-header-attribute.eml         | 16 +++---
>  .../phony-protected-header-bad-encryption.eml | 13 ++---
>  .../protected-headers/protected-header.eml    | 15 +++---
>  .../protected-with-legacy-display.eml         | 38 +++++++-------
>  .../signed-protected-header.eml               | 11 ++---
>  .../protected-headers/simple-signed-mail.eml  | 11 ++---
>  .../subjectless-protected-header.eml          | 15 +++---
>  .../wrapped-protected-header.eml              | 15 +++---
>  test/gnupg-secret-key.NOTE                    |  9 ----
>  test/gnupg-secret-key.asc                     | 34 -------------
>  test/openpgp4-secret-key.asc                  | 15 ++++++
>  test/openpgp4-secret-key.asc.NOTE             |  5 ++
>  test/test-lib.sh                              |  6 +--
>  24 files changed, 232 insertions(+), 257 deletions(-)
>  delete mode 100644 test/gnupg-secret-key.NOTE
>  delete mode 100644 test/gnupg-secret-key.asc
>  create mode 100644 test/openpgp4-secret-key.asc
>  create mode 100644 test/openpgp4-secret-key.asc.NOTE
>
> diff --git a/test/T356-protected-headers.sh b/test/T356-protected-headers.sh
> index f0aba14e..9f640331 100755
> --- a/test/T356-protected-headers.sh
> +++ b/test/T356-protected-headers.sh
> @@ -69,12 +69,12 @@ test_json_nodes <<<"$output" \
>  test_begin_subtest "show cryptographic envelope on signed mail"
>  output=$(notmuch show --verify --format=json 
> id:simple-signed-m...@crypto.notmuchmail.org)
>  test_json_nodes <<<"$output" \
> -                'crypto:[0][0][0]["crypto"]={"signed": {"status": 
> [{"created": 1525609971, "fingerprint": "'$FINGERPRINT'", "email": 
> "'"$SELF_EMAIL"'", "userid": "'"$SELF_USERID"'", "status": "good"}]}}'
> +                'crypto:[0][0][0]["crypto"]={"signed": {"status": 
> [{"created": 1662554210, "fingerprint": "'$FINGERPRINT'", "email": 
> "'"$SELF_EMAIL"'", "userid": "'"$SELF_USERID"'", "status": "good"}]}}'
>  
>  test_begin_subtest "verify signed protected header"
>  output=$(notmuch show --verify --format=json 
> id:signed-protected-hea...@crypto.notmuchmail.org)
>  test_json_nodes <<<"$output" \
> -                'crypto:[0][0][0]["crypto"]={"signed": {"status": 
> [{"created": 1525350527, "fingerprint": "'$FINGERPRINT'", "email": 
> "'"$SELF_EMAIL"'", "userid": "'"$SELF_USERID"'", "status": "good"}], 
> "headers": ["Subject"]}}'
> +                'crypto:[0][0][0]["crypto"]={"signed": {"status": 
> [{"created": 1662554263, "fingerprint": "'$FINGERPRINT'", "email": 
> "'"$SELF_EMAIL"'", "userid": "'"$SELF_USERID"'", "status": "good"}], 
> "headers": ["Subject"]}}'
>  
>  test_begin_subtest "protected subject does not leak by default in replies"
>  output=$(notmuch reply --decrypt=true --format=json 
> id:protected-hea...@crypto.notmuchmail.org)
> @@ -115,7 +115,7 @@ test_begin_subtest "verify protected header is both 
> signed and encrypted"
>  output=$(notmuch show --decrypt=true --format=json 
> id:encrypted-sig...@crypto.notmuchmail.org)
>  test_json_nodes <<<"$output" \
>                  'crypto:[0][0][0]["crypto"]={
> -                   "signed":{"status": [{"status": "good", "fingerprint": 
> "'$FINGERPRINT'", "email": "'"$SELF_EMAIL"'", "userid": "'"$SELF_USERID"'", 
> "created": 1525812676}],
> +                   "signed":{"status": [{"status": "good", "fingerprint": 
> "'$FINGERPRINT'", "email": "'"$SELF_EMAIL"'", "userid": "'"$SELF_USERID"'", 
> "created": 1662550328}],
>                     "encrypted": true, "headers": ["Subject"]},"decrypted": 
> {"status": "full", "header-mask": {"Subject": "Subject Unavailable"}}}' \
>                  'subject:[0][0][0]["headers"]["Subject"]="Rhinoceros dinner"'
>  
> @@ -123,7 +123,7 @@ test_begin_subtest "verify protected header is signed 
> even when not masked"
>  output=$(notmuch show --decrypt=true --format=json 
> id:encrypted-signed-not-mas...@crypto.notmuchmail.org)
>  test_json_nodes <<<"$output" \
>                  'crypto:[0][0][0]["crypto"]={
> -                   "signed":{"status": [{"status": "good", "fingerprint": 
> "'$FINGERPRINT'", "userid": "'"$SELF_USERID"'", "email": "'"$SELF_EMAIL"'", 
> "created": 1525812676}],
> +                   "signed":{"status": [{"status": "good", "fingerprint": 
> "'$FINGERPRINT'", "userid": "'"$SELF_USERID"'", "email": "'"$SELF_EMAIL"'", 
> "created": 1662550328}],
>                     "encrypted": true, "headers": ["Subject"]},"decrypted": 
> {"status": "full"}}' \
>                  'subject:[0][0][0]["headers"]["Subject"]="Rhinoceros dinner"'
>  
> diff --git a/test/corpora/crypto/basic-encrypted.eml 
> b/test/corpora/crypto/basic-encrypted.eml
> index 1ba4698a..b139a735 100644
> --- a/test/corpora/crypto/basic-encrypted.eml
> +++ b/test/corpora/crypto/basic-encrypted.eml
> @@ -17,12 +17,11 @@ Content-Type: application/octet-stream
>  
>  -----BEGIN PGP MESSAGE-----
>  
> -hIwDxE023q1UqxYBBACp70e7KPy9OYaheIrkLzmhq1lRqmy51aL1jBL0K/qN7rfK
> -BZEG1cR8jeLjTFdPKPLVKJI80r7FgKI0ywvWvl6R1aE1Ty5BnVXT9XzCrEH7fqCl
> -SKK82EvolXTohAZHUrh6K66eQQTTIAC1n7B0A8hErzkgaM4+seN3LlvezT6TLNKM
> -ATpqsEbM2MVrGgw0b3oUsGGAPEt2MmjNEYsriKnqwt6dJDZc//XyhjgMQayiD8da
> -N1gT3oqgu/gKCpBZDYzHf9OtVi2UnlFDWy6rrMZLjWDnIv4ve9Pn/qolwHVjzdJ1
> -ZfjNC5t0z3XADKGrjN9wutr4qm7STW1rHAXHP68TQTxI0qgJKjPXNKWEw6g=
> -=pJG4
> +hF4DHXHP849rSK8SAQdAYbv9NFaU2Fbd6JbfE87h/yZNyWLJYZ2EseU0WyOz7Agw
> +/+KTbbIqRcEYhnpQhQXBQ2wqIN5gmdRhaqrj5q0VLV2BOKNJKqXGs/W4DghXwfAu
> +0oMBqjTd/mMbF0nJLw3bPX+LW47RHQdZ8vUVPlPr0ALg8kqgcfy95Qqy5h796Uyq
> +xs+I/UUOt7fzTDAw0B4qkRbdSangwYy80N4X43KrAfKSstBH3/7O4285XZr86YhF
> +rEtsBuwhoXI+DaG3uYZBBMTkzfButmBKHwB2CmWutmVpQL087A==
> +=lhSz
>  -----END PGP MESSAGE-----
>  --=-=-=--
> diff --git a/test/corpora/crypto/encrypted-rfc822-attachment 
> b/test/corpora/crypto/encrypted-rfc822-attachment
> index 56fe3169..e7bad9b0 100644
> --- a/test/corpora/crypto/encrypted-rfc822-attachment
> +++ b/test/corpora/crypto/encrypted-rfc822-attachment
> @@ -20,33 +20,28 @@ Content-Type: application/octet-stream; charset="us-ascii"
>  
>  -----BEGIN PGP MESSAGE-----
>  
> -hIwDxE023q1UqxYBBACGKSDv5/rcwScSf9n33cZZPPxltQgxkDaClMGY2DARgebE
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> -n+wqLQE7kllgI32E4U9B
> -=YlXg
> +hF4DHXHP849rSK8SAQdAtWMNBhjdh9Xyig/GYM1RN27B7LmCk0oRkguuFMROXk8w
> +wLmcm3HiikqziJzlPY8sBLEx7cLQCkCrg6KarCHGvcqajUJluLAZgrwUsmUpOFy0
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> +jKIbTwv4tKjmGUJE5xb/RTUfOTG+v7HOBo0avwofvqz5k7Do8v0BEEmhewjcIKBf
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> +0sfemg3wxkZxY0NI13g3CaJGtSzXdZVfkzpdVxRAZoETT7rLNDbawuq0AzSava2u
> +nB/vgcDWfPr4jW21
> +=r4Vv
>  -----END PGP MESSAGE-----
>  
>  --===============9060418334135509864==--
> diff --git a/test/corpora/crypto/encrypted-signed.eml 
> b/test/corpora/crypto/encrypted-signed.eml
> index 0345e3e9..f5d5d120 100644
> --- a/test/corpora/crypto/encrypted-signed.eml
> +++ b/test/corpora/crypto/encrypted-signed.eml
> @@ -17,19 +17,18 @@ Content-Type: application/octet-stream
>  
>  -----BEGIN PGP MESSAGE-----
>  
> -hIwDxE023q1UqxYBBAC9z781zV7QAInGMKHX6TKU5Xw/OkoWXahpDL88F6Ocm5R9
> -7M9z2ocvlyrbgRhqE+nvFeGH/K7rVkBBT6TAcdIe/C8Qzbd3stPPcx1PlunGROj7
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> -=x12v
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> +3t7eS3JcuC0=
> +=qz8x
>  -----END PGP MESSAGE-----
>  --=-=-=--
> diff --git a/test/corpora/mangling/mixed-up.eml 
> b/test/corpora/mangling/mixed-up.eml
> index a09f6191..d4702798 100644
> --- a/test/corpora/mangling/mixed-up.eml
> +++ b/test/corpora/mangling/mixed-up.eml
> @@ -21,13 +21,9 @@ VmVyc2lvbjogMQ0K
>  Content-Type: application/octet-stream
>  Content-Transfer-Encoding: base64
>  
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> -Cg==
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>  --=-=-=--
> diff --git 
> a/test/corpora/protected-headers/double-wrapped-with-phony-protected-header.eml
>  
> b/test/corpora/protected-headers/double-wrapped-with-phony-protected-header.eml
> index b05cb545..115019b0 100644
> --- 
> a/test/corpora/protected-headers/double-wrapped-with-phony-protected-header.eml
> +++ 
> b/test/corpora/protected-headers/double-wrapped-with-phony-protected-header.eml
> @@ -17,22 +17,25 @@ Content-Type: application/octet-stream
>  
>  -----BEGIN PGP MESSAGE-----
>  
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>  -----END PGP MESSAGE-----
>  --=-=-=--
> diff --git 
> a/test/corpora/protected-headers/encrypted-message-with-forwarded-attachment.eml
>  
> b/test/corpora/protected-headers/encrypted-message-with-forwarded-attachment.eml
> index eea66a94..d43331bd 100644
> --- 
> a/test/corpora/protected-headers/encrypted-message-with-forwarded-attachment.eml
> +++ 
> b/test/corpora/protected-headers/encrypted-message-with-forwarded-attachment.eml
> @@ -17,17 +17,22 @@ Content-Type: application/octet-stream
>  
>  -----BEGIN PGP MESSAGE-----
>  
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>  -----END PGP MESSAGE-----
>  --=-=-=--
> diff --git a/test/corpora/protected-headers/encrypted-signed-not-masked.eml 
> b/test/corpora/protected-headers/encrypted-signed-not-masked.eml
> index 8dfd7c39..9f0e51b9 100644
> --- a/test/corpora/protected-headers/encrypted-signed-not-masked.eml
> +++ b/test/corpora/protected-headers/encrypted-signed-not-masked.eml
> @@ -17,18 +17,17 @@ Content-Type: application/octet-stream
>  
>  -----BEGIN PGP MESSAGE-----
>  
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>  -----END PGP MESSAGE-----
>  --=-=-=--
> diff --git a/test/corpora/protected-headers/encrypted-signed.eml 
> b/test/corpora/protected-headers/encrypted-signed.eml
> index c97d8c3c..f64b99bf 100644
> --- a/test/corpora/protected-headers/encrypted-signed.eml
> +++ b/test/corpora/protected-headers/encrypted-signed.eml
> @@ -17,18 +17,17 @@ Content-Type: application/octet-stream
>  
>  -----BEGIN PGP MESSAGE-----
>  
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>  -----END PGP MESSAGE-----
>  --=-=-=--
> diff --git a/test/corpora/protected-headers/misplaced-protected-header.eml 
> b/test/corpora/protected-headers/misplaced-protected-header.eml
> index f1a72f0d..c93ce0f7 100644
> --- a/test/corpora/protected-headers/misplaced-protected-header.eml
> +++ b/test/corpora/protected-headers/misplaced-protected-header.eml
> @@ -17,19 +17,27 @@ Content-Type: application/octet-stream
>  
>  -----BEGIN PGP MESSAGE-----
>  
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> +pAf1GS1YR4pKpo3sSEaLHw5rhpI0pT5ZvB09+GYRhsBQzP3LvnBCsxcVvi7yERY2
> +QVlHejpTWwuRcTQCXP9UXa7z9UhEOieHwy6xNRTi4HVWHbXMxVunvlUnBCnQdFIr
> +s4bcOjY94Q29FeRjaweYIZBUSabXDLJhLZNH1u6Z9Z8dBZ6Th1+ou77m0rEN6B3d
> +mf83pKPrOR8ASw88rRGq8O9yVpFR4mD7HiE7YNofsPBtk0Cz178WLCi/D8b9A80h
> +R/jVyxLmrCPHQUFfu46JgytBta+VBYwnYFHDynnYczuB0gydvuPJ4cJvfn3vPA==
> +=DmA/
>  -----END PGP MESSAGE-----
>  --=-=-=--
> diff --git a/test/corpora/protected-headers/nested-rfc822-message.eml 
> b/test/corpora/protected-headers/nested-rfc822-message.eml
> index 059783ce..4d5073bb 100644
> --- a/test/corpora/protected-headers/nested-rfc822-message.eml
> +++ b/test/corpora/protected-headers/nested-rfc822-message.eml
> @@ -17,16 +17,17 @@ Content-Type: application/octet-stream
>  
>  -----BEGIN PGP MESSAGE-----
>  
> -hIwDxE023q1UqxYBBADCWqobSSS78XdrxhBh5W01OZbUMdnrwrYJsiG9fQoVfFHN
> -eALvOfviTcSBD97/jO2IRL2W8hyF7k1BVAYMwSuxe4qLbLdsxK1i4KBRIFRkm990
> -ipBddgFXV16WNO2cTK7boEJ7Xfjp/zjoS2z2YUXsdGx3OSJciyHBVJki2UfkL9LA
> -egHa7dsw6BxoNbAkrD+ijVbsFrKHeeJIlWkNbSYOk/YLmqLAEy1CYvSvC8ZSBtQT
> -fVYc37fc3RB0vQC+Vu5k5d/I5Z1/Yz+McBJDMNvcn4yoFiXemY8YVFvj7iC0sbuq
> -lwitvgMYaljhb8RUQAa3Dy08Jju09DIBcCgRsx32U+3aqZ0MhU6CRgt8kc9oK1g4
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> -q9JGMOOqVnnFdnEq8vDFF7m+Cp3N1ieyXUXjn3aLtvSRMmVV20Q5QXSFg8nP6juT
> -Yn1xZjqOodSeig1ITZZF58Whv+LHGtzDHwV8
> -=cNYF
> +hF4DHXHP849rSK8SAQdAc+vNxgvGe1T23qYt8zZ2dtmU4+DzCiMlKBFrI64sICMw
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> +6wIZ9/6xLHAzxFtY+qvDhVO/nWOLrdd9ACZudoD/x4qITc9IFo4F8bWF5iKPs67q
> +wtw1qFTT8ODc2WWhOizDByOkk/D+Z3mrlsOC/x7ioho0IIeWldkfaET2ucc9FI9S
> +SPX+huu6vnPAGO21T4EMqevwDLNGWMQBolHSlU3SRnNyU1bqUNDF+/9RiOk/NFj9
> +FTwMj8FAI6/q0kZLQUF34h4BPF8/v1TmVZKniaVXqQIE78MvFWXV4FXYvP4w+IdK
> +q634Ah+cC9NVEB+U6H4aSB9IojUurd+RvD+4x7rd+EtLFdc=
> +=HmgM
>  -----END PGP MESSAGE-----
>  --=-=-=--
> diff --git a/test/corpora/protected-headers/no-protected-header-attribute.eml 
> b/test/corpora/protected-headers/no-protected-header-attribute.eml
> index 880f60e3..cf786c02 100644
> --- a/test/corpora/protected-headers/no-protected-header-attribute.eml
> +++ b/test/corpora/protected-headers/no-protected-header-attribute.eml
> @@ -17,13 +17,13 @@ Content-Type: application/octet-stream
>  
>  -----BEGIN PGP MESSAGE-----
>  
> -hIwDxE023q1UqxYBA/9GY8NN4NDwpNttr/hTXpS701Z8TDr3hC89obZNnNpYxSct
> -p+YkS+FsPMLimIDfU1meG8R+YgtQOJIhmKPHW8CLQ1heBsX0Dcv2oLxXodqNGD7M
> -/szVRR6duVnALPgmV66vkcBHKbsiuv8EO86C7G1hAnXfs0H47WoeUz9dQ6RaHdKw
> -AVbxw7KWVbiP+S4SO1rvNsAL1xiRPA0FFmDRMyoFRC/618dGS6HitkD0UR708oVt
> -PooD4Rk22c8b549wvZ88flGk+WBCLhyXAuWYPHwag1DLzLjWH5r+XmK2O7JoQZeq
> -k7JM/M8QM+xetFaPmsWs52IynhXyWpXBBanm9NEsNEiIB59480D7tJ0oivo8T24d
> -izSAMGATP26ReatoXltCl9x8uUfUSAjWt8iJ1+n/3ds=
> -=hGDA
> +hF4DHXHP849rSK8SAQdAQd0btUvfUMmCgmDv3mG8d2tfmr3MYsOdE4TeSqk6sFsw
> +8Wsp5J4s2t9ua6ScvqCVtlUVUL4Z6BsACArwy0/XwGQ8JQ6BUuYH7JSWb6O6tzed
> +0r8BYDEY7/8+QCgXneo6k3wvPHrzTsvg9fxmCSTbvA+8JCrEzbvM5l/wQmSDf18x
> +difPsrCT75x3eYgOy7NNYIAg97teybVWZ4raPQ/SdJ9J0TmPTjQF07HPndrsYGQC
> +rEKvu6oq2/HL4NWOWMNNixs0u6ALRpPuUUXKgwSaZUG8+juOZ3yFe56bd1IvwkWK
> +ZkKwa9gBn7WA+eNpcJauux/ta6LuXiNvNHUGUnd9puVepi9GO3XAxYcOzqF6ly1V
> +iw==
> +=c3OU
>  -----END PGP MESSAGE-----
>  --=-=-=--
> diff --git 
> a/test/corpora/protected-headers/phony-protected-header-bad-encryption.eml 
> b/test/corpora/protected-headers/phony-protected-header-bad-encryption.eml
> index 15dc08ab..d0e11a10 100644
> --- a/test/corpora/protected-headers/phony-protected-header-bad-encryption.eml
> +++ b/test/corpora/protected-headers/phony-protected-header-bad-encryption.eml
> @@ -18,13 +18,10 @@ Subject: this should not show up as a protected header
>  
>  -----BEGIN PGP MESSAGE-----
>  
> -hIwDxE023q1UqxYBA/9ZaOuxGtLVWiA7KQfB+4td1AILd1uy039UDb+9YwlhmJTq
> -mNqVJu+ZkFniZPMliM0z1QRBkBeL2Q7MrHAdYxYBKrDHKVja4O7jwqeKjy5BzQCW
> -fnyT+sb2Mh+dz5P2voF3XJHgqzhFY1rtVEatXSZADwwIVU6oZqGZ8GOELNGSd9KX
> -ASNElH7WGZB/TQ5X+MktzOLExx5QWaRK9skogI2RRoOquS7KpMcjzb2FWaJDjr1s
> -hd8FCQVjWuUDrolMGH8cgeq9iUBlHMzfPY6/jeGHNrjk12wwhBNcq6O95uzXtIRS
> -BM2xnwCYec6wYJ46fHukTgv+286nSQcV0XT6a+qM5GMgV5DMHW2vSyl6kTszJ3EP
> -xvQBfPCItA==
> -=Gkxz
> +BADBADBAD49rSK8SAQdAeybb8KrIaEFV5+Ks5loaz651PudVdzS8ombK8EW7Mnsw
> +kEppTiE4jo6ZocHvhjSzPdEK4MPh0qmKvu1RrHa23dc1n7Cutg1FjOb6ZRloTisz
> +0jEB3YxBhFDBZyWSGeAeZx93JaNcV6CBjOfZ6GJhzkqmSs73VdwFUWQxcoV4q5sL
> +GYCW
> +=BADC
>  -----END PGP MESSAGE-----
>  --=-=-=--
> diff --git a/test/corpora/protected-headers/protected-header.eml 
> b/test/corpora/protected-headers/protected-header.eml
> index dec822c2..a10612f9 100644
> --- a/test/corpora/protected-headers/protected-header.eml
> +++ b/test/corpora/protected-headers/protected-header.eml
> @@ -18,13 +18,12 @@ Subject: this should not show up as a protected header
>  
>  -----BEGIN PGP MESSAGE-----
>  
> -hIwDxE023q1UqxYBA/9ZaOuxGtLVWiA7KQfB+4td1AILd1uy039UDb+9YwlhmJTq
> -mNqVJu+ZkFniZPMliM0z1QRBkBeL2Q7MrHAdYxYBKrDHKVja4O7jwqeKjy5BzQCW
> -fnyT+sb2Mh+dz5P2voF3XJHgqzhFY1rtVEatXSZADwwIVU6oZqGZ8GOELNGSd9KX
> -ASNElH7WGZB/TQ5X+MktzOLExx5QWaRK9skogI2RRoOquS7KpMcjzb2FWaJDjr1s
> -RGboX7NG3xCvNUV2ByFTvLOeo7eO1GfUsabTUbMMvh3AE1UvHgCu8VJiRrMdmPln
> -BM2xnwCYec6wYJ46fHukTgv+286nSQcV0XT6a+qM5GMgV5DMHW2vSyl6kTszJ3EP
> -xvQBfPCItA==
> -=Gkxz
> +hF4DHXHP849rSK8SAQdA3xy46BwN9R4tHbyAqwTMeOSfrrNzqsvCT9hqcVfRIzQw
> +ThEINU6n9x5QgU2L/mtSaAMkw7ikOmzrJkvjEEE913dvUsw80+Q3QDYODETYzXBN
> +0qIBrEpD0pYlXiQECDAYqox9JBkOPi3K6c4TLdACG2q7oOtHzbApzHC636oOFAXB
> +uhARzvr/TN5/Fr4KDM2j4LqdsxSwE2mOJn4lM8EfPAm0jxbDmHKOpjpk/QnKR7ry
> +BbctXwYIwlkp6voRsAJ/zG3XcLpbO/w+a5U14P6qCp2RM+bNWKtZTT4Gl0yCBk3A
> +CYGvWb797ZA+5BhraXCWAQcscec=
> +=WKBy
>  -----END PGP MESSAGE-----
>  --=-=-=--
> diff --git a/test/corpora/protected-headers/protected-with-legacy-display.eml 
> b/test/corpora/protected-headers/protected-with-legacy-display.eml
> index 8c5dd251..9a3c7644 100644
> --- a/test/corpora/protected-headers/protected-with-legacy-display.eml
> +++ b/test/corpora/protected-headers/protected-with-legacy-display.eml
> @@ -17,24 +17,26 @@ Content-Type: application/octet-stream
>  
>  -----BEGIN PGP MESSAGE-----
>  
> -hIwDxE023q1UqxYBBACkgwtKOAP+UlKYDzYkZY+gDuMNKnHjWIvv2Cdnovy40QzL
> -5sbuib40y7orO+MqYMCWpoFtgBVsGiOUE3bZAg8n3Ji38/zVGwQveu6sh7SAy0Q9
> -zFEvLhtajw17nPe+QH2UmIyfVikA57Mot13THq4i6C4ozVCyhyIltx+sNJkmw9Lp
> -AdQd+cgCMRSMbi++eRwIi4zgxKrfAoGOmdMiVzBrh3yZqnbI0rCxJIKu7gEWuQLT
> -7BuvN2bJUkPGLAUhUanFararVoD7WWOl67IlWFkyncES0PRskUf9coV68WZnYjsR
> -Y3LdLnha1sdMwUNeBKQ44XBd2e7mXbDSp1cSjTDf9euwB4m7uQFTLwoQ8Of+LmQD
> -KMHzjmucbkNAIpfAjcDusTA/oaaqUiEgGIgYYMDqG1CaaxdT55S7tMjW5yJryQmo
> -pg65jrUMgEn5XHZ+KI2OsCmwGdoBYNau8p1a2hsiKhHJmLUeEAu34gFI3hylIOC0
> -0KC40d0zTSb0s7SZuTrD6vYgiXG9aFktHvAWFH0ATCts7qyiRN7k5jt7yWfRntE2
> -UCexTGE3TH7aju+IqDPC1XsaKF4T3CVhdr8WmKCa+0VOaw7xHRGYnzq9y91GcaCx
> -8AcoZ3kYs+f2LIn+T667A0KKP4Z6OmLjCx3b1RvRUQYR9taruEMAQbIuAajiyTe9
> -KfUrsUULZfInE50x+OneYvDhzoSgSJoHIK+18X/wo6YcyleJ9fZxCQ/vaXTDkAeF
> -ve7TFcbIqmJ4MHygXILHUuDwp7P4t/tIL7SZwja70P3digjsgoNZY29VTnU8uyIb
> -d6eOjgpeNVhRjDWxbUvhFD7i4rHCi/bbXFlW0cCXoiaVQBtYmiNysRoRZOv0h3TW
> -q/+/UmqkaQFnF3zp5sr87y+ValItgPWmb9Ds0lyAoSvQx35zVh8DFfH04m7hmsb7
> -gcvemlPTAnQWkIMC3c/bZWgt8tNcG7tQeUMWd9n4281y/hApbm90x2NLzEqvVcRq
> -K0iIgVxbCHSKqGh4TtbIwpNhzSP+KHYkZ8h6+QUDRwGEV9QqZKg=
> -=2O0V
> +hF4DHXHP849rSK8SAQdAGiLZx0/sI1uoQ27OPpwunlzzlY7ba4E2YNU+AErRA1gw
> +YYKlhgfzSgO0LpbxHJfithVAkrGYvj5HNWGxriXEsOyfy+Ax0FtAJuzYr6DGKGx1
> +0ukBxLoRfWuoo2C9gXwojieSI9lTh7V+FaVUoVmTXhd/WFjWLtHbkIVmvXI1WVyi
> +wM5NfDi3Ho995P+DMZxTKkdqtbdeYgUK7oCw3FHsYsNSTf3XFazjEvHg/TvOWd5u
> +m9SbZAKfOBrEGGCzNHfgyluaBKdzVX04GPfZ2GblHlnU9AnGSWys1i8kxmuQYAKp
> +UrXDlMcVB4V5bcGd1KMvGyhnKzICXWhXiJhEiNOc+uhl97jxXRujflfT6S1+8thv
> +o86332XixGu8o5svVAEWobN8LUXpHZZlnK9a0Zftf4v8ATHEzQLAa5vdx+BYN8ua
> +e4dmCtxA4XCfRD58FJ6EwjDqhv45KYnJP2W5eZujQ7Pl1m3HJXGwFQmtnOSB/9dw
> +M+y1Aif07VBYE3LmUUqmS0HLZoqmOEoh6rKldzyxFmtfZyn73n/zcUoQblEWTE7z
> +lxIqpCmo8jHPcs1tm9QD3sUmqQ/YXwmqZbD3pOn0PIXZKVY8/DaeggMWKQ/UhCWa
> +7Z8g2GVq17AjHsS9n3ShDhf6B/8qI+jjaZQqH0W6KLmDQixjf1BoPnTrXNjcloJk
> +uf0YAuol05fXNAiyPbFNO9zoFPxm8ZVEZG9nbcnNOz7ac/Aea6hqhxHnzNFPU09K
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> +LtUNfBGmnLN3jBa8Q/i2WYxYpAuMZzJcCcocxW0H+yBf8+rZNpIvi/RsTklKkaap
> +EOgP9sZXlgJePUbBmdd4Wwx7WTsjna6ckNp/9WE8CuDy6x9Zkc97Rkd+Oxc/KKtF
> +1mQ/VdRZj3trlABnHmF0H/H4Qlrt//P/PCl3qRZpE5v34OHDlTT6UjLh5ahWZ3hf
> +pj3cSKy9uajnWPFf9tnI0/9cWYbllaCMhIMbDZXRM3F4H03bi2k=
> +=VKCz
>  -----END PGP MESSAGE-----
>  
>  --=-=-=--
> diff --git a/test/corpora/protected-headers/signed-protected-header.eml 
> b/test/corpora/protected-headers/signed-protected-header.eml
> index c3a21b85..f5efaff0 100644
> --- a/test/corpora/protected-headers/signed-protected-header.eml
> +++ b/test/corpora/protected-headers/signed-protected-header.eml
> @@ -6,7 +6,7 @@ Message-ID: <signed-protected-hea...@crypto.notmuchmail.org>
>  MIME-Version: 1.0
>  Content-Type: multipart/signed; boundary="=-=-=";
>   protocol="application/pgp-signature";
> - micalg=pgp-sha512
> + micalg=pgp-sha256
>  
>  --=-=-=
>  Content-Type: text/plain; protected-headers="v1"
> @@ -20,10 +20,9 @@ Content-Type: application/pgp-signature
>  
>  -----BEGIN PGP SIGNATURE-----
>  
> -iLMEAQEKAB0WIQRa6rEfXjPc6HXdt1ttkmEtlORjgQUCWusAfwAKCRBtkmEtlORj
> -geIJA/0WcyxlwDfXRMbiGE/crLBYhLpXK6ZMzjEn6HQDntMIk3Kr61rAwL8edKGx
> -gbxr1+XlMYRt+PJDhi8iI0odDI1YjiBjjc0bXUoDn60UcjL2MPGshI3426CA7cqB
> -cMaoRHajfdxYjSzzfh8duVgi0vmUnsyoePBhANRbDIVmCQS11g==
> -=c4cq
> +iHUEARYIAB0WIQSaOv5sYAZaFI/UtYp+ar6SRkXMYAUCYxiQlwAKCRB+ar6SRkXM
> +YIm6AP0UlyfUbhd7bG4Azs0rby3qPUXOC1DtbSpQegSuR7nGgAEAub3WeYgEVVOS
> +fsnuNE9Q/LnPTS5m85eMa1s1bS8fcAE=
> +=O+fm
>  -----END PGP SIGNATURE-----
>  --=-=-=--
> diff --git a/test/corpora/protected-headers/simple-signed-mail.eml 
> b/test/corpora/protected-headers/simple-signed-mail.eml
> index ebf4b786..cd1e9fc3 100644
> --- a/test/corpora/protected-headers/simple-signed-mail.eml
> +++ b/test/corpora/protected-headers/simple-signed-mail.eml
> @@ -6,7 +6,7 @@ Message-ID: <simple-signed-m...@crypto.notmuchmail.org>
>  MIME-Version: 1.0
>  Content-Type: multipart/signed; boundary="=-=-=";
>   protocol="application/pgp-signature";
> - micalg=pgp-sha512
> + micalg=pgp-sha256
>  
>  --=-=-=
>  Content-Type: text/plain
> @@ -19,10 +19,9 @@ Content-Type: application/pgp-signature
>  
>  -----BEGIN PGP SIGNATURE-----
>  
> -iLMEAQEKAB0WIQRa6rEfXjPc6HXdt1ttkmEtlORjgQUCWu718wAKCRBtkmEtlORj
> -gUXaA/4/m6CPRgC9JODRKRWo3Szi5D3zg7uf29DIJu9m2vVRw5o0ZeHcxLb26UPe
> -qdjPq6GBclkXdeTH9Nv2TW5cToJmMA9UvESeRRzbe6ytvswNEYdSbiYAsv/k9t6K
> -KQO2ZSbsbVlkh8xVYC3ORiUS775YrPxVT6QlPkMKAXw3l3Zwcg==
> -=jnDO
> +iHUEARYIAB0WIQSaOv5sYAZaFI/UtYp+ar6SRkXMYAUCYxiQYgAKCRB+ar6SRkXM
> +YJkmAP9TEGDYF4GZcHaxWDZYf6EKHmNqu1RPYuwEN8QdVbUIxAEA7IiFYPQtKXgr
> +wyEYNcJ8aD1CYCGhR8pTA9oT/Vp16Qk=
> +=a+TS
>  -----END PGP SIGNATURE-----
>  --=-=-=--
> diff --git a/test/corpora/protected-headers/subjectless-protected-header.eml 
> b/test/corpora/protected-headers/subjectless-protected-header.eml
> index 7163b9ae..8c7fb3eb 100644
> --- a/test/corpora/protected-headers/subjectless-protected-header.eml
> +++ b/test/corpora/protected-headers/subjectless-protected-header.eml
> @@ -17,13 +17,12 @@ Subject: this should not show up as a protected header
>  
>  -----BEGIN PGP MESSAGE-----
>  
> -hIwDxE023q1UqxYBA/9ZaOuxGtLVWiA7KQfB+4td1AILd1uy039UDb+9YwlhmJTq
> -mNqVJu+ZkFniZPMliM0z1QRBkBeL2Q7MrHAdYxYBKrDHKVja4O7jwqeKjy5BzQCW
> -fnyT+sb2Mh+dz5P2voF3XJHgqzhFY1rtVEatXSZADwwIVU6oZqGZ8GOELNGSd9KX
> -ASNElH7WGZB/TQ5X+MktzOLExx5QWaRK9skogI2RRoOquS7KpMcjzb2FWaJDjr1s
> -RGboX7NG3xCvNUV2ByFTvLOeo7eO1GfUsabTUbMMvh3AE1UvHgCu8VJiRrMdmPln
> -BM2xnwCYec6wYJ46fHukTgv+286nSQcV0XT6a+qM5GMgV5DMHW2vSyl6kTszJ3EP
> -xvQBfPCItA==
> -=Gkxz
> +hF4DHXHP849rSK8SAQdAxAZy4nBUDdm2u4sgr1inLki0LMCVcsVlax6Pd0AiZAow
> +iYz940UtZwQNRRb640w1bB2pAvg5Nn8hJK5ye3qtyUWNW1VEvAa+GXndI/Qt0+7x
> +0qIBOXRBCrkOxB10iCvSDVoOMZPj8GgvQwpsnslATJbsp9jV74fU7eFCKE5VWKUw
> +FTos+VX1YFZyf2RsznHXdi0CrL2rkUNoLby4SEUa/urd6GKb3xuOjJlIYN4Fh9xz
> +e33+Dl3NHohNooytxoJuTNiXbNWe7kidfOwMGzvdYsegk/WMqMLg8DmZPvl0BcYI
> +o+4ZU3kuhbk5Pup5nOV6OLrs7A0=
> +=BF8X
>  -----END PGP MESSAGE-----
>  --=-=-=--
> diff --git a/test/corpora/protected-headers/wrapped-protected-header.eml 
> b/test/corpora/protected-headers/wrapped-protected-header.eml
> index 9a3c1384..87f3f8da 100644
> --- a/test/corpora/protected-headers/wrapped-protected-header.eml
> +++ b/test/corpora/protected-headers/wrapped-protected-header.eml
> @@ -20,14 +20,13 @@ Content-Type: application/octet-stream
>  
>  -----BEGIN PGP MESSAGE-----
>  
> -hIwDxE023q1UqxYBA/9ZaOuxGtLVWiA7KQfB+4td1AILd1uy039UDb+9YwlhmJTq
> -mNqVJu+ZkFniZPMliM0z1QRBkBeL2Q7MrHAdYxYBKrDHKVja4O7jwqeKjy5BzQCW
> -fnyT+sb2Mh+dz5P2voF3XJHgqzhFY1rtVEatXSZADwwIVU6oZqGZ8GOELNGSd9KX
> -ASNElH7WGZB/TQ5X+MktzOLExx5QWaRK9skogI2RRoOquS7KpMcjzb2FWaJDjr1s
> -RGboX7NG3xCvNUV2ByFTvLOeo7eO1GfUsabTUbMMvh3AE1UvHgCu8VJiRrMdmPln
> -BM2xnwCYec6wYJ46fHukTgv+286nSQcV0XT6a+qM5GMgV5DMHW2vSyl6kTszJ3EP
> -xvQBfPCItA==
> -=Gkxz
> +hF4DHXHP849rSK8SAQdAbnAG8Oxige+8PXg1B/Ex8Nc/IcBW7R4Cmnq3rArI3g0w
> +rb1P2LngDMpqMxRGAkucBU/omYHuyDyLIoQZc84XYQy9N+M/u4HK187tyXaKx970
> +0qIBnZhdiVm9RFn8CvQLG1hhw8E6UFm/YlURkMoaP66HIU9WLFAlmHrZPOnXJBr5
> +2qOWnqSttuD/1Bjt1R2dguoltYqv1iBkwDlE2mWubSTkDp3Pf3QeJGz3Q727+bHV
> +MI3k/5sNfJyyx9lIB3nyjwa/+Ap5orrPBwe+Y8tRdLO9xtvIFO+U9l9L6yPTYPyz
> +4P+LVzDS+6tnWxPiLeEz/sRGmtA=
> +=pPju
>  -----END PGP MESSAGE-----
>  --=-=-=--
>  
> diff --git a/test/gnupg-secret-key.NOTE b/test/gnupg-secret-key.NOTE
> deleted file mode 100644
> index 604496c5..00000000
> --- a/test/gnupg-secret-key.NOTE
> +++ /dev/null
> @@ -1,9 +0,0 @@
> -How the crypto test gnupg secret was generated:
> -
> -GNUPGHOME=gnupghome gpg --quick-random --gen-key
> -kind: 1 (RSA/RSA)
> -size: 1024
> -expire: 0
> -name: Notmuch Test Suite
> -email: test_su...@notmuchmail.org
> -(no passphrase)
> diff --git a/test/gnupg-secret-key.asc b/test/gnupg-secret-key.asc
> deleted file mode 100644
> index 6431b56c..00000000
> --- a/test/gnupg-secret-key.asc
> +++ /dev/null
> @@ -1,34 +0,0 @@
> ------BEGIN PGP PRIVATE KEY BLOCK-----
> -Version: GnuPG v1.4.10 (GNU/Linux)
> -
> -lQHYBE1Mm18BBADlMsMlUeO6usp/XuulgimqlCSphHcYZvH6+Sy7u7W4TpJzid7e
> -jEOCrk3UZi2XMPW9+snDMhV9e28HeRz61zAO9G/gedn4N+mKOyTaELEmj9SP2IG2
> -ZTvdUvn30vWIHyfRIww3qEiSzNULKn6zTDfcg6BIY6ZDQ6GFSfH5EioxuQARAQAB
> -AAP8CM2/sS9JZWLHZHJrmsU6fygxlaarlxmyhxwLG9WZ+qUJ+xDQqWZkhssrMigP
> -7ZQehwLwZ7mvbvfOy/qwTPJMZjQMMuTGEzclwBTOTttSxEDS+kgYmZ05CBjIgXbo
> -8+k+L347l+kVRBFsi1cqOkCr+VZQwhOnbeNb8uJsUx27aAECAPD7jsBP73LRgoXQ
> -x650D2fzjjuomGVsIxSAPjkDRYmtorsRftaEy7DkvX3Ihu5WN6YRRjJavoL+f8ar
> -4escR40CAPN7NOFOGmiFZYzQcfJYQI2m7YDk4B51JxORFvLrvGT+LJnVwhtFsdGS
> -QnMyO4eNpKH0qeEkT5Zqha2oyAc0Yd0B/3f962YCmYlbDAvWjcbMvhV7G4DbazVp
> -2TNR0BhhEMiOlHuwmTO59s2iukuE5ifaVbwrj+NgpipTsaffKnhALlGjV7Q7Tm90
> -bXVjaCBUZXN0IFN1aXRlIDx0ZXN0X3N1aXRlQG5vdG11Y2htYWlsLm9yZz4gKElO
> -U0VDVVJFISmIuAQTAQIAIgUCTUybXwIbAwYLCQgHAwIGFQgCCQoLBBYCAwECHgEC
> -F4AACgkQbZJhLZTkY4GJFAP9E0mOw+RUGdmqbxSbd2rm0/inUSYOC0Pvt/D05pUY
> -xzXDAMZwsy1DWhfS7bSgdD3YTM/22b/LJ2FmbLUF1cU6cNslmdPdfHDZ5+C4qpa1
> -uW11y7djlBFAwxc3NBypT6Bmh/iIixrx413cw8CEU0lSZbSXUvbxZ7Rg4JYm2K6f
> -Y7SdAdgETUybXwEEAM74QJJWzPavquSF0IkKDFjEvI44WC1HGNsJF3JVuKv9G00P
> -RaHavNNcHEG8MorbfaWk7pipaEJ3+zbPKgp2vRCSJnLL6z813JIQqXJTZzu1ip63
> -s4icfOfXkxFJ5AaFd/pVdi+wjmEwvv+YMtJT9DyXANo6b2eQu+0bMtP4Xuv/ABEB
> -AAEAA/wJArUJw450070K6eoXeg22wT0iq/O0aCExSzoI5Kmywytj6KnnAmp9TftL
> -WVgrkQntVjrhzPsYoB40JEMrGKd7QL/6LPTNWq3eFW38PSpCiG83T0rtmKCKqHB1
> -Uo0B78AHfYYX7MUOEuCq2AhKTAdZukesoCpmVxcEFtjDEbOB8QIA3cvXrPJN/J2S
> -W61mdMT7KlaXZZD8Phs/TY2ZLAiMKUAP1dVYNDvRSDjZLvQrqKQjEAN5jM81cWAV
> -pvOIavLhOwIA7uMVIiaQ3vIy10C7ltiLT6YuJL/O6XDnXY/PDuXOatQahd/gmI0q
> -dGQLSaHIxYILPZPaW6t0orx+dduQ0ES0DQIA21nEKX0MZpYOY1eIt6OlKemsjL2a
> -UTdFhq/OgwVv+QRVHNdYQXmKpKDeW30lN/+BI3zyDTZjtehwKMMxNTu4AJu/iJ8E
> -GAECAAkFAk1Mm18CGwwACgkQbZJhLZTkY4H8kgQA4vHsTt8dlJdWJAu2SKZGOPRs
> -bIPu5XtRXe3RYbW5H7PqbAnrKIzlIKpkPNTwLL4wVXaF+R/aHa8ZKX3paohrPL74
> -qpbffwtHXyVEwyWlw3m9mgti0de1dy1YvVasCe/UQ8Frc6uNmOwtlQE20k4R4cLI
> -SWXT1JrwPoKh9xe++90=
> -=rvTR
> ------END PGP PRIVATE KEY BLOCK-----
> diff --git a/test/openpgp4-secret-key.asc b/test/openpgp4-secret-key.asc
> new file mode 100644
> index 00000000..182a8249
> --- /dev/null
> +++ b/test/openpgp4-secret-key.asc
> @@ -0,0 +1,15 @@
> +-----BEGIN PGP PRIVATE KEY BLOCK-----
> +
> +lFgEYxhtlxYJKwYBBAHaRw8BAQdA0PoNKr90DaQV1dIK77wbWm4RT+JQzqBkwIjA
> +HQM9RHYAAQDQ5wSfkOGXvKYroALWgibztISzXS5b8boGXykcHERo6w/ctDtOb3Rt
> +dWNoIFRlc3QgU3VpdGUgKElOU0VDVVJFISkgPHRlc3Rfc3VpdGVAbm90bXVjaG1h
> +aWwub3JnPoiQBBMWCAA4AhsDBQsJCAcCBhUKCQgLAgQWAgMBAh4BAheAFiEEmjr+
> +bGAGWhSP1LWKfmq+kkZFzGAFAmMYbZwACgkQfmq+kkZFzGDtrwEAjQRn3xhEomah
> +wICjQjfi4RKNbvnRViZgosijDBANUAgA/28GrK1tPnQsXWqmuZxQ1Cd5ry4NAnj/
> +4jsxD3cTbnEHnF0EYxhtlxIKKwYBBAGXVQEFAQEHQEOd3EyCD5qo4+QuHz0lruCG
> +VM6n6RI4dtAh3cX9uHwiAwEIBwAA/1oe+p5jNjNE5lEj4yTpYjCxCeC98MolbiAy
> +0yY7526wECqIeAQYFggAIBYhBJo6/mxgBloUj9S1in5qvpJGRcxgBQJjGG2XAhsM
> +AAoJEH5qvpJGRcxgBdsA/R9ZECoxai5QhOitDIAUZVCRr59Pm1VMPiJOOIla2N1p
> +AQCNESwJ9IJOdO/06q+bR2GG4WyEkB4VoVBiA3hFx/zZAA==
> +=uGTo
> +-----END PGP PRIVATE KEY BLOCK-----
> diff --git a/test/openpgp4-secret-key.asc.NOTE 
> b/test/openpgp4-secret-key.asc.NOTE
> new file mode 100644
> index 00000000..4693768e
> --- /dev/null
> +++ b/test/openpgp4-secret-key.asc.NOTE
> @@ -0,0 +1,5 @@
> +The OpenPGPv4 secret key for the crypto tests was generated using:
> +
> +$ gpg --quick-generate-key \
> +  'Notmuch Test Suite (INSECURE!) <test_su...@notmuchmail.org>' \
> +  future-default default never
> diff --git a/test/test-lib.sh b/test/test-lib.sh
> index d664812f..eec5c5b4 100644
> --- a/test/test-lib.sh
> +++ b/test/test-lib.sh
> @@ -71,7 +71,7 @@ add_gnupg_home () {
>      _gnupg_exit () { gpgconf --kill all 2>/dev/null || true; }
>      at_exit_function _gnupg_exit
>      mkdir -p -m 0700 "$GNUPGHOME"
> -    gpg --no-tty --import <$NOTMUCH_SRCDIR/test/gnupg-secret-key.asc 
> >"$GNUPGHOME"/import.log 2>&1
> +    gpg --no-tty --import <$NOTMUCH_SRCDIR/test/openpgp4-secret-key.asc 
> >"$GNUPGHOME"/import.log 2>&1
>      test_debug "cat $GNUPGHOME/import.log"
>      if (gpg --quick-random --version >/dev/null 2>&1) ; then
>       echo quick-random >> "$GNUPGHOME"/gpg.conf
> @@ -81,8 +81,8 @@ add_gnupg_home () {
>      echo no-emit-version >> "$GNUPGHOME"/gpg.conf
>  
>      # Change this if we ship a new test key
> -    FINGERPRINT="5AEAB11F5E33DCE875DDB75B6D92612D94E46381"
> -    SELF_USERID="Notmuch Test Suite <test_su...@notmuchmail.org> (INSECURE!)"
> +    FINGERPRINT="9A3AFE6C60065A148FD4B58A7E6ABE924645CC60"
> +    SELF_USERID="Notmuch Test Suite (INSECURE!) <test_su...@notmuchmail.org>"
>      SELF_EMAIL="test_su...@notmuchmail.org"
>      printf '%s:6:\n' "$FINGERPRINT" | gpg --quiet --batch --no-tty 
> --import-ownertrust
>  }
> -- 
> 2.30.2
>
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