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crypto: rsa - RSA padding algorithm

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This patch adds PKCS#1 v1.5 standard RSA padding as a separate template.
This way an RSA cipher with padding can be obtained by instantiating
"pkcs1pad(rsa)".  The reason for adding this is that RSA is almost
never used without this padding (or OAEP) so it will be needed for
either certificate work in the kernel or the userspace, and I also hear
that it is likely implemented by hardware RSA in which case hardware
implementations of the whole of pkcs1pad(rsa) can be provided.

Signed-off-by: Andrew Zaborowski <andrew.zaborowski@intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Andrzej Zaborowski
2015-12-05 17:09:34 +01:00
committed by Herbert Xu
parent 28a4618ad1
commit 3d5b1ecdea
4 changed files with 635 additions and 1 deletions
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2
include/crypto/internal/rsa.h
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@@ -27,4 +27,6 @@ int rsa_parse_priv_key(struct rsa_key *rsa_key, const void *key,
unsigned int key_len);
void rsa_free_key(struct rsa_key *rsa_key);
extern struct crypto_template rsa_pkcs1pad_tmpl;
#endif