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Export RSA_padding_add_PKCS1_OAEP[_mgf1]

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This is needed by trousers. As with the PSS function, the version that
assumes SHA-1 is put into decrepit.

Change-Id: I153e8ea0150e48061b978384b600a7b990d21d03
Reviewed-on: https://boringssl-review.googlesource.com/7670
Reviewed-by: David Benjamin <davidben@google.com>
This commit is contained in:
Adam Langley 2016-04-13 08:19:03 -07:00 committed by David Benjamin
parent 188487faad
commit aaccbfec04
2 changed files with 27 additions and 0 deletions
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7
decrepit/rsa/rsa_decrepit.c
View File

@ -94,3 +94,10 @@ int RSA_verify_PKCS1_PSS(RSA *rsa, const uint8_t *mHash, const EVP_MD *Hash,
const uint8_t *EM, int sLen) { const uint8_t *EM, int sLen) {
return RSA_verify_PKCS1_PSS_mgf1(rsa, mHash, Hash, NULL, EM, sLen); return RSA_verify_PKCS1_PSS_mgf1(rsa, mHash, Hash, NULL, EM, sLen);
} }
int RSA_padding_add_PKCS1_OAEP(uint8_t *to, unsigned to_len,
const uint8_t *from, unsigned from_len,
const uint8_t *param, unsigned param_len) {
return RSA_padding_add_PKCS1_OAEP_mgf1(to, to_len, from, from_len, param,
param_len, NULL, NULL);
}

20
include/openssl/rsa.h
View File

@ -321,6 +321,17 @@ OPENSSL_EXPORT int RSA_padding_add_PKCS1_PSS_mgf1(RSA *rsa, uint8_t *EM,
const EVP_MD *mgf1Hash, const EVP_MD *mgf1Hash,
int sLen); int sLen);
/* RSA_padding_add_PKCS1_OAEP_mgf1 writes an OAEP padding of |from| to |to|
* with the given parameters and hash functions. If |md| is NULL then SHA-1 is
* used. If |mgf1md| is NULL then the value of |md| is used (which means SHA-1
* if that, in turn, is NULL).
*
* It returns one on success or zero on error. */
OPENSSL_EXPORT int RSA_padding_add_PKCS1_OAEP_mgf1(
uint8_t *to, unsigned to_len, const uint8_t *from, unsigned from_len,
const uint8_t *param, unsigned param_len, const EVP_MD *md,
const EVP_MD *mgf1md);
/* RSA_add_pkcs1_prefix builds a version of |msg| prefixed with the DigestInfo /* RSA_add_pkcs1_prefix builds a version of |msg| prefixed with the DigestInfo
* header for the given hash function and sets |out_msg| to point to it. On * header for the given hash function and sets |out_msg| to point to it. On
* successful return, |*out_msg| may be allocated memory and, if so, * successful return, |*out_msg| may be allocated memory and, if so,
@ -474,6 +485,15 @@ OPENSSL_EXPORT int RSA_verify_PKCS1_PSS(RSA *rsa, const uint8_t *mHash,
const EVP_MD *Hash, const uint8_t *EM, const EVP_MD *Hash, const uint8_t *EM,
int sLen); int sLen);
/* RSA_padding_add_PKCS1_OAEP acts like |RSA_padding_add_PKCS1_OAEP_mgf1| but
* the |md| and |mgf1md| paramaters of the latter are implicitly set to NULL,
* which means SHA-1. */
OPENSSL_EXPORT int RSA_padding_add_PKCS1_OAEP(uint8_t *to, unsigned to_len,
const uint8_t *from,
unsigned from_len,
const uint8_t *param,
unsigned param_len);
struct rsa_meth_st { struct rsa_meth_st {
struct openssl_method_common_st common; struct openssl_method_common_st common;