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Merge pull request #4546 from Patater/psa-without-genprime-fix-2.x

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[Backport 2.x] psa: Support RSA signature without MBEDTLS_GENPRIME
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Ronald Cron 2021-05-27 14:19:14 +02:00 committed by GitHub
parent f20390f387 c17f29309f
commit 9df7209bf6
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GPG key ID: 4AEE18F83AFDEB23
5 changed files with 27 additions and 7 deletions
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5
ChangeLog.d/psa-without-genprime-fix.txt Normal file
View file

@ -0,0 +1,5 @@
Bugfix
* Restore the ability to configure PSA via Mbed TLS options to support RSA
key pair operations but exclude RSA key generation. When MBEDTLS_GENPRIME
is not defined PSA will no longer attempt to use mbedtls_rsa_gen_key().
Fixes #4512.

6
library/psa_crypto.c
View file

@ -4872,7 +4872,8 @@ psa_status_t psa_generate_key_internal(
}
else
#if defined(MBEDTLS_PSA_BUILTIN_KEY_TYPE_RSA_KEY_PAIR)
#if defined(MBEDTLS_PSA_BUILTIN_KEY_TYPE_RSA_KEY_PAIR) && \
defined(MBEDTLS_GENPRIME)
if ( type == PSA_KEY_TYPE_RSA_KEY_PAIR )
{
return( mbedtls_psa_rsa_generate_key( attributes,
@ -4881,7 +4882,8 @@ psa_status_t psa_generate_key_internal(
key_buffer_length ) );
}
else
#endif /* defined(MBEDTLS_PSA_BUILTIN_KEY_TYPE_RSA_KEY_PAIR) */
#endif /* defined(MBEDTLS_PSA_BUILTIN_KEY_TYPE_RSA_KEY_PAIR)
* defined(MBEDTLS_GENPRIME) */
#if defined(MBEDTLS_PSA_BUILTIN_KEY_TYPE_ECC_KEY_PAIR)
if ( PSA_KEY_TYPE_IS_ECC( type ) && PSA_KEY_TYPE_IS_KEY_PAIR( type ) )

12
library/psa_crypto_rsa.c
View file

@ -274,7 +274,8 @@ static psa_status_t rsa_export_public_key(
#endif /* defined(BUILTIN_KEY_TYPE_RSA_KEY_PAIR) ||
* defined(BUILTIN_KEY_TYPE_RSA_PUBLIC_KEY) */
#if defined(BUILTIN_KEY_TYPE_RSA_KEY_PAIR)
#if defined(BUILTIN_KEY_TYPE_RSA_KEY_PAIR) && \
defined(MBEDTLS_GENPRIME)
static psa_status_t psa_rsa_read_exponent( const uint8_t *domain_parameters,
size_t domain_parameters_size,
int *exponent )
@ -332,7 +333,8 @@ static psa_status_t rsa_generate_key(
return( status );
}
#endif /* defined(BUILTIN_KEY_TYPE_RSA_KEY_PAIR) */
#endif /* defined(BUILTIN_KEY_TYPE_RSA_KEY_PAIR)
* defined(MBEDTLS_GENPRIME) */
/****************************************************************/
/* Sign/verify hashes */
@ -565,7 +567,8 @@ psa_status_t mbedtls_psa_rsa_export_public_key(
#endif /* defined(MBEDTLS_PSA_BUILTIN_KEY_TYPE_RSA_KEY_PAIR) ||
* defined(MBEDTLS_PSA_BUILTIN_KEY_TYPE_RSA_PUBLIC_KEY) */
#if defined(MBEDTLS_PSA_BUILTIN_KEY_TYPE_RSA_KEY_PAIR)
#if defined(MBEDTLS_PSA_BUILTIN_KEY_TYPE_RSA_KEY_PAIR) && \
defined(MBEDTLS_GENPRIME)
psa_status_t mbedtls_psa_rsa_generate_key(
const psa_key_attributes_t *attributes,
uint8_t *key_buffer, size_t key_buffer_size, size_t *key_buffer_length )
@ -573,7 +576,8 @@ psa_status_t mbedtls_psa_rsa_generate_key(
return( rsa_generate_key( attributes, key_buffer, key_buffer_size,
key_buffer_length ) );
}
#endif /* defined(MBEDTLS_PSA_BUILTIN_KEY_TYPE_RSA_KEY_PAIR) */
#endif /* defined(MBEDTLS_PSA_BUILTIN_KEY_TYPE_RSA_KEY_PAIR)
* defined(MBEDTLS_GENPRIME) */
#if defined(MBEDTLS_PSA_BUILTIN_ALG_RSA_PKCS1V15_SIGN) || \
defined(MBEDTLS_PSA_BUILTIN_ALG_RSA_PSS)

9
tests/scripts/all.sh
View file

@ -848,6 +848,15 @@ support_test_zlib_cmake () {
support_test_zlib_make "$@"
}
component_test_psa_crypto_rsa_no_genprime() {
msg "build: default config minus MBEDTLS_GENPRIME"
scripts/config.py unset MBEDTLS_GENPRIME
make
msg "test: default config minus MBEDTLS_GENPRIME"
make test
}
component_test_ref_configs () {
msg "test/build: ref-configs (ASan build)" # ~ 6 min 20s
CC=gcc cmake -D CMAKE_BUILD_TYPE:String=Asan .

2
tests/suites/test_suite_psa_crypto.data
View file

@ -3369,7 +3369,7 @@ depends_on:PSA_WANT_ALG_RSA_PKCS1V15_CRYPT:PSA_WANT_KEY_TYPE_RSA_KEY_PAIR:MBEDTL
generate_key:PSA_KEY_TYPE_RSA_KEY_PAIR:512:PSA_KEY_USAGE_EXPORT | PSA_KEY_USAGE_ENCRYPT | PSA_KEY_USAGE_DECRYPT:PSA_ALG_RSA_PKCS1V15_CRYPT:PSA_SUCCESS:0
PSA generate key: RSA, 1024 bits, good, encrypt (OAEP SHA-256)
depends_on:PSA_WANT_ALG_RSA_OAEP:PSA_WANT_ALG_SHA_256:PSA_WANT_KEY_TYPE_RSA_KEY_PAIR:MBEDTLS_MD_C
depends_on:PSA_WANT_ALG_RSA_OAEP:PSA_WANT_ALG_SHA_256:PSA_WANT_KEY_TYPE_RSA_KEY_PAIR:MBEDTLS_GENPRIME:MBEDTLS_MD_C
generate_key:PSA_KEY_TYPE_RSA_KEY_PAIR:1024:PSA_KEY_USAGE_EXPORT | PSA_KEY_USAGE_ENCRYPT | PSA_KEY_USAGE_DECRYPT:PSA_ALG_RSA_OAEP(PSA_ALG_SHA_256):PSA_SUCCESS:0
PSA generate key: RSA, 0 bits: invalid