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image: rsa: Move verification algorithm to a linker list

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Move the RSA verification crytpo_algo structure out of the
crypto_algos array, and into a linker list.

Although it appears we are adding an #ifdef to rsa-verify.c, the gains
outweigh this small inconvenience. This is because rsa_verify() is
defined differently based on #ifdefs. This change allows us to have
a single definition of rsa_verify().

Signed-off-by: Alexandru Gagniuc <mr.nuke.me@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Alexandru Gagniuc 2021-07-14 17:05:40 -05:00 committed by Tom Rini
parent 0980164b13
commit 6909edb4ce
2 changed files with 16 additions and 10 deletions
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10
common/image-sig.c
View file

@ -52,16 +52,6 @@ struct checksum_algo checksum_algos[] = {
};
struct crypto_algo crypto_algos[] = {
{
.name = "rsa2048",
.key_len = RSA2048_BYTES,
.verify = rsa_verify,
},
{
.name = "rsa4096",
.key_len = RSA4096_BYTES,
.verify = rsa_verify,
},
};
struct padding_algo padding_algos[] = {

16
lib/rsa/rsa-verify.c
View file

@ -571,3 +571,19 @@ int rsa_verify(struct image_sign_info *info,
return rsa_verify_hash(info, hash, sig, sig_len);
}
#ifndef USE_HOSTCC
U_BOOT_CRYPTO_ALGO(rsa2048) = {
.name = "rsa2048",
.key_len = RSA2048_BYTES,
.verify = rsa_verify,
};
U_BOOT_CRYPTO_ALGO(rsa4096) = {
.name = "rsa4096",
.key_len = RSA4096_BYTES,
.verify = rsa_verify,
};
#endif