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gpg: Minor code cleanup for fingerprint computation.

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* g10/keyid.c (do_hash_public_key): Simplify code for clarity.
This commit is contained in:
Werner Koch 2024-01-29 10:30:40 +01:00
parent ae0a755e0d
commit 03207f62e8
No known key found for this signature in database
GPG Key ID: E3FDFF218E45B72B
1 changed files with 5 additions and 9 deletions
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14
g10/keyid.c
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@ -234,20 +234,16 @@ do_hash_public_key (gcry_md_hd_t md, PKT_public_key *pk, int use_v5)
if (use_v5) if (use_v5)
{ {
gcry_md_putc ( md, 0x9a ); /* ctb */ gcry_md_putc ( md, 0x9a ); /* ctb */
gcry_md_putc ( md, n >> 24 ); /* 4 byte length header */ gcry_md_putc ( md, n >> 24 ); /* 4 byte length header (upper bits) */
gcry_md_putc ( md, n >> 16 ); gcry_md_putc ( md, n >> 16 );
gcry_md_putc ( md, n >> 8 );
gcry_md_putc ( md, n );
/* Note that the next byte may either be 4 or 5. */
gcry_md_putc ( md, pk->version );
} }
else else
{ {
gcry_md_putc ( md, 0x99 ); /* ctb */ gcry_md_putc ( md, 0x99 ); /* ctb */
gcry_md_putc ( md, n >> 8 ); /* 2 byte length header */
gcry_md_putc ( md, n );
gcry_md_putc ( md, pk->version );
} }
gcry_md_putc ( md, n >> 8 ); /* lower bits of the length header. */
gcry_md_putc ( md, n );
gcry_md_putc ( md, pk->version );
gcry_md_putc ( md, pk->timestamp >> 24 ); gcry_md_putc ( md, pk->timestamp >> 24 );
gcry_md_putc ( md, pk->timestamp >> 16 ); gcry_md_putc ( md, pk->timestamp >> 16 );
gcry_md_putc ( md, pk->timestamp >> 8 ); gcry_md_putc ( md, pk->timestamp >> 8 );
@ -255,7 +251,7 @@ do_hash_public_key (gcry_md_hd_t md, PKT_public_key *pk, int use_v5)
gcry_md_putc ( md, pk->pubkey_algo ); gcry_md_putc ( md, pk->pubkey_algo );
if (use_v5) if (use_v5) /* Hash the 32 bit length */
{ {
n -= 10; n -= 10;
gcry_md_putc ( md, n >> 24 ); gcry_md_putc ( md, n >> 24 );