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Added support for custom labels when using rsa_rsaes_oaep_encrypt() or rsa_rsaes_oaep_decrypt()

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This commit is contained in:
Paul Bakker
2013-02-28 17:33:49 +01:00
parent b386913f8b
commit a43231c5a5
3 changed files with 20 additions and 6 deletions
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12
library/rsa.c
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@ -368,7 +368,9 @@ static void mgf_mask( unsigned char *dst, size_t dlen, unsigned char *src, size_
int rsa_rsaes_oaep_encrypt( rsa_context *ctx,
int (*f_rng)(void *, unsigned char *, size_t),
void *p_rng,
int mode, size_t ilen,
int mode,
const unsigned char *label, size_t label_len,
size_t ilen,
const unsigned char *input,
unsigned char *output )
{
@ -406,7 +408,7 @@ int rsa_rsaes_oaep_encrypt( rsa_context *ctx,
// Construct DB
//
md( md_info, p, 0, p );
md( md_info, label, label_len, p );
p += hlen;
p += olen - 2 * hlen - 2 - ilen;
*p++ = 1;
@ -525,7 +527,9 @@ int rsa_pkcs1_encrypt( rsa_context *ctx,
* Implementation of the PKCS#1 v2.1 RSAES-OAEP-DECRYPT function
*/
int rsa_rsaes_oaep_decrypt( rsa_context *ctx,
int mode, size_t *olen,
int mode,
const unsigned char *label, size_t label_len,
size_t *olen,
const unsigned char *input,
unsigned char *output,
size_t output_max_len )
@ -569,7 +573,7 @@ int rsa_rsaes_oaep_decrypt( rsa_context *ctx,
// Generate lHash
//
md( md_info, lhash, 0, lhash );
md( md_info, label, label_len, lhash );
// seed: Apply seedMask to maskedSeed
//