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author | Tadeusz Struk <tadeusz.struk@intel.com> | 2015-10-08 09:26:55 -0700 |
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committer | Herbert Xu <herbert@gondor.apana.org.au> | 2015-10-14 22:23:16 +0800 |
commit | a897342ffc43687f7e49a4eac15df37af1c65fe5 (patch) | |
tree | 246185e9b313a4fb2b77e6485856d8c28a6ec497 /crypto/rsa_helper.c | |
parent | 75c56391de7c3151691cb9a04fa4da96129f258c (diff) | |
download | linux-crypto-a897342ffc43687f7e49a4eac15df37af1c65fe5.tar.gz linux-crypto-a897342ffc43687f7e49a4eac15df37af1c65fe5.zip |
crypto: akcipher - Changes to asymmetric key API
Setkey function has been split into set_priv_key and set_pub_key.
Akcipher requests takes sgl for src and dst instead of void *.
Users of the API i.e. two existing RSA implementation and
test mgr code have been updated accordingly.
Signed-off-by: Tadeusz Struk <tadeusz.struk@intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'crypto/rsa_helper.c')
-rw-r--r-- | crypto/rsa_helper.c | 42 |
1 files changed, 35 insertions, 7 deletions
diff --git a/crypto/rsa_helper.c b/crypto/rsa_helper.c index 8d96ce96..d226f48d 100644 --- a/crypto/rsa_helper.c +++ b/crypto/rsa_helper.c @@ -15,7 +15,8 @@ #include <linux/err.h> #include <linux/fips.h> #include <crypto/internal/rsa.h> -#include "rsakey-asn1.h" +#include "rsapubkey-asn1.h" +#include "rsaprivkey-asn1.h" int rsa_get_n(void *context, size_t hdrlen, unsigned char tag, const void *value, size_t vlen) @@ -94,8 +95,8 @@ void rsa_free_key(struct rsa_key *key) EXPORT_SYMBOL_GPL(rsa_free_key); /** - * rsa_parse_key() - extracts an rsa key from BER encoded buffer - * and stores it in the provided struct rsa_key + * rsa_parse_pub_key() - extracts an rsa public key from BER encoded buffer + * and stores it in the provided struct rsa_key * * @rsa_key: struct rsa_key key representation * @key: key in BER format @@ -103,13 +104,13 @@ EXPORT_SYMBOL_GPL(rsa_free_key); * * Return: 0 on success or error code in case of error */ -int rsa_parse_key(struct rsa_key *rsa_key, const void *key, - unsigned int key_len) +int rsa_parse_pub_key(struct rsa_key *rsa_key, const void *key, + unsigned int key_len) { int ret; free_mpis(rsa_key); - ret = asn1_ber_decoder(&rsakey_decoder, rsa_key, key, key_len); + ret = asn1_ber_decoder(&rsapubkey_decoder, rsa_key, key, key_len); if (ret < 0) goto error; @@ -118,4 +119,31 @@ error: free_mpis(rsa_key); return ret; } -EXPORT_SYMBOL_GPL(rsa_parse_key); +EXPORT_SYMBOL_GPL(rsa_parse_pub_key); + +/** + * rsa_parse_pub_key() - extracts an rsa private key from BER encoded buffer + * and stores it in the provided struct rsa_key + * + * @rsa_key: struct rsa_key key representation + * @key: key in BER format + * @key_len: length of key + * + * Return: 0 on success or error code in case of error + */ +int rsa_parse_priv_key(struct rsa_key *rsa_key, const void *key, + unsigned int key_len) +{ + int ret; + + free_mpis(rsa_key); + ret = asn1_ber_decoder(&rsaprivkey_decoder, rsa_key, key, key_len); + if (ret < 0) + goto error; + + return 0; +error: + free_mpis(rsa_key); + return ret; +} +EXPORT_SYMBOL_GPL(rsa_parse_priv_key); |