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-rw-r--r--crypto/rsa_helper.c75
1 files changed, 75 insertions, 0 deletions
diff --git a/crypto/rsa_helper.c b/crypto/rsa_helper.c
index 583656af4fe2..4df6451e7543 100644
--- a/crypto/rsa_helper.c
+++ b/crypto/rsa_helper.c
@@ -78,6 +78,81 @@ int rsa_get_d(void *context, size_t hdrlen, unsigned char tag,
return 0;
}
+int rsa_get_p(void *context, size_t hdrlen, unsigned char tag,
+ const void *value, size_t vlen)
+{
+ struct rsa_key *key = context;
+
+ /* invalid key provided */
+ if (!value || !vlen || vlen > key->n_sz)
+ return -EINVAL;
+
+ key->p = value;
+ key->p_sz = vlen;
+
+ return 0;
+}
+
+int rsa_get_q(void *context, size_t hdrlen, unsigned char tag,
+ const void *value, size_t vlen)
+{
+ struct rsa_key *key = context;
+
+ /* invalid key provided */
+ if (!value || !vlen || vlen > key->n_sz)
+ return -EINVAL;
+
+ key->q = value;
+ key->q_sz = vlen;
+
+ return 0;
+}
+
+int rsa_get_dp(void *context, size_t hdrlen, unsigned char tag,
+ const void *value, size_t vlen)
+{
+ struct rsa_key *key = context;
+
+ /* invalid key provided */
+ if (!value || !vlen || vlen > key->n_sz)
+ return -EINVAL;
+
+ key->dp = value;
+ key->dp_sz = vlen;
+
+ return 0;
+}
+
+int rsa_get_dq(void *context, size_t hdrlen, unsigned char tag,
+ const void *value, size_t vlen)
+{
+ struct rsa_key *key = context;
+
+ /* invalid key provided */
+ if (!value || !vlen || vlen > key->n_sz)
+ return -EINVAL;
+
+ key->dq = value;
+ key->dq_sz = vlen;
+
+ return 0;
+}
+
+int rsa_get_qinv(void *context, size_t hdrlen, unsigned char tag,
+ const void *value, size_t vlen)
+{
+ struct rsa_key *key = context;
+
+ /* invalid key provided */
+ if (!value || !vlen || vlen > key->n_sz)
+ return -EINVAL;
+
+ key->qinv = value;
+ key->qinv_sz = vlen;
+
+ return 0;
+}
+
/**
* rsa_parse_pub_key() - decodes the BER encoded buffer and stores in the
* provided struct rsa_key, pointers to the raw key as is,