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public-key: Add helper to determine key type from signature scheme

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This commit is contained in:
Tobias Brunner
2015-03-04 13:54:08 +01:00
parent f6329cae9c
commit 0f29f5ed02
2 changed files with 43 additions and 0 deletions
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src/libstrongswan/credentials/keys/public_key.c
+34
View File
@@ -1,4 +1,5 @@
/*
* Copyright (C) 2015 Tobias Brunner
* Copyright (C) 2007 Martin Willi
* Copyright (C) 2014 Andreas Steffen
* HSR Hochschule fuer Technik Rapperswil
@@ -147,3 +148,36 @@ signature_scheme_t signature_scheme_from_oid(int oid)
}
}
/*
* Defined in header.
*/
key_type_t key_type_from_signature_scheme(signature_scheme_t scheme)
{
switch (scheme)
{
case SIGN_UNKNOWN:
break;
case SIGN_RSA_EMSA_PKCS1_NULL:
case SIGN_RSA_EMSA_PKCS1_MD5:
case SIGN_RSA_EMSA_PKCS1_SHA1:
case SIGN_RSA_EMSA_PKCS1_SHA224:
case SIGN_RSA_EMSA_PKCS1_SHA256:
case SIGN_RSA_EMSA_PKCS1_SHA384:
case SIGN_RSA_EMSA_PKCS1_SHA512:
return KEY_RSA;
case SIGN_ECDSA_WITH_SHA1_DER:
case SIGN_ECDSA_WITH_SHA256_DER:
case SIGN_ECDSA_WITH_SHA384_DER:
case SIGN_ECDSA_WITH_SHA512_DER:
case SIGN_ECDSA_WITH_NULL:
case SIGN_ECDSA_256:
case SIGN_ECDSA_384:
case SIGN_ECDSA_521:
return KEY_ECDSA;
case SIGN_BLISS_WITH_SHA256:
case SIGN_BLISS_WITH_SHA384:
case SIGN_BLISS_WITH_SHA512:
return KEY_BLISS;
}
return KEY_ANY;
}
src/libstrongswan/credentials/keys/public_key.h
+9
View File
@@ -1,4 +1,5 @@
/*
* Copyright (C) 2015 Tobias Brunner
* Copyright (C) 2007 Martin Willi
* Copyright (C) 2014 Andreas Steffen
* HSR Hochschule fuer Technik Rapperswil
@@ -247,4 +248,12 @@ bool public_key_has_fingerprint(public_key_t *public, chunk_t fingerprint);
*/
signature_scheme_t signature_scheme_from_oid(int oid);
/**
* Determine the type of key associated with a given signature scheme.
*
* @param scheme signature scheme
* @return key type (could be KEY_ANY)
*/
key_type_t key_type_from_signature_scheme(signature_scheme_t scheme);
#endif /** PUBLIC_KEY_H_ @}*/