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Merge pull request #1273 from gowthamsk-arm/mem-alloc-cleanup-2.28

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Backport 2.28: Fix: Memory allocation cleanup in internal crypto api functions
This commit is contained in:
Tom Cosgrove
2024-08-19 15:50:30 +01:00
committed by GitHub
parent b492272bab d9e16c4870
commit 7c5160c491
1 changed files with 8 additions and 9 deletions
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17
library/psa_crypto_rsa.c
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@ -215,16 +215,14 @@ psa_status_t mbedtls_psa_rsa_export_public_key(
status = mbedtls_psa_rsa_load_representation( status = mbedtls_psa_rsa_load_representation(
attributes->core.type, key_buffer, key_buffer_size, &rsa); attributes->core.type, key_buffer, key_buffer_size, &rsa);
if (status != PSA_SUCCESS) { if (status == PSA_SUCCESS) {
return status; status = mbedtls_psa_rsa_export_key(PSA_KEY_TYPE_RSA_PUBLIC_KEY,
rsa,
data,
data_size,
data_length);
} }
status = mbedtls_psa_rsa_export_key(PSA_KEY_TYPE_RSA_PUBLIC_KEY,
rsa,
data,
data_size,
data_length);
mbedtls_rsa_free(rsa); mbedtls_rsa_free(rsa);
mbedtls_free(rsa); mbedtls_free(rsa);
@ -286,6 +284,7 @@ psa_status_t mbedtls_psa_rsa_generate_key(
(unsigned int) attributes->core.bits, (unsigned int) attributes->core.bits,
exponent); exponent);
if (ret != 0) { if (ret != 0) {
mbedtls_rsa_free(&rsa);
return mbedtls_to_psa_error(ret); return mbedtls_to_psa_error(ret);
} }
@ -354,7 +353,7 @@ psa_status_t mbedtls_psa_rsa_sign_hash(
key_buffer_size, key_buffer_size,
&rsa); &rsa);
if (status != PSA_SUCCESS) { if (status != PSA_SUCCESS) {
return status; goto exit;
} }
status = psa_rsa_decode_md_type(alg, hash_length, &md_alg); status = psa_rsa_decode_md_type(alg, hash_length, &md_alg);